Brightcove (BCOV) 10-K 5 Mar 15 2014 FY Annual report Financial data

Document_and_Entity_Informatio

Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2014	Feb. 27, 2015	Jun. 30, 2014
Document and Entity Information [Abstract]
Document Type	10-K
Amendment Flag	FALSE
Document Period End Date	31-Dec-14
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Trading Symbol	BCOV
Entity Registrant Name	BRIGHTCOVE INC
Entity Central Index Key	1313275
Current Fiscal Year End Date	-19
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		32,521,442
Entity Public Float			$288,391,686

Consolidated_Balance_Sheets

Consolidated Balance Sheets (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Current assets:
Cash and cash equivalents	$22,916	$33,047
Short-term investments		3,061
Restricted cash		121
Accounts receivable, net of allowance of $181 and $461 at December 31, 2014 and 2013, respectively	21,463	21,560
Prepaid expenses	3,127	2,895
Deferred tax asset	109	125
Other current assets	1,215	1,116
Total current assets	48,830	61,925
Property and equipment, net	10,372	8,795
Intangible assets, net	16,898	8,668
Goodwill	50,776	22,018
Restricted cash, net of current portion	201	201
Other assets	507	1,519
Total assets	127,584	103,126
Current liabilities:
Accounts payable	1,618	3,067
Accrued expenses	11,722	14,528
Capital lease liability	1,159
Deferred revenue	29,640	23,571
Total current liabilities	44,139	41,166
Deferred revenue, net of current portion	64	247
Other liabilities	2,618	1,333
Total liabilities	46,821	42,746
Commitments and contingencies (Note 6)
Stockholders' equity:
Undesignated preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued
Common stock, $0.001 par value; 100,000,000 shares authorized; 32,424,554 and 29,034,919 shares issued and outstanding at December 31, 2014 and 2013, respectively	32	29
Additional-paid-in-capital	214,524	176,928
Accumulated other comprehensive loss	-776	-453
Accumulated deficit	-133,017	-116,124
Total stockholders' equity	80,763	60,380
Total liabilities and stockholders' equity	$127,584	$103,126

Consolidated_Balance_Sheets_Pa

Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, except Share data, unless otherwise specified
Consolidated Balance Sheets [Abstract]
Allowance for accounts receivable	$181	$461
Preferred stock, par value	$0.00	$0.00
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Common stock, par value	$0.00	$0.00
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	32,424,554	29,034,919
Common stock, shares outstanding	32,424,554	29,034,919

Consolidated_Statements_of_Ope

Consolidated Statements of Operations (USD $)	12 Months Ended
In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue:
Subscription and support revenue	$120,324	$103,116	$84,257
Professional services and other revenue	4,693	6,779	3,716
Total revenue	125,017	109,895	87,973
Cost of revenue:
Cost of subscription and support revenue	38,015	29,205	22,553
Cost of professional services and other revenue	5,718	7,585	4,831
Total cost of revenue	43,733	36,790	27,384
Gross profit	81,284	73,105	60,589
Operating expenses:
Research and development	28,252	21,052	18,725
Sales and marketing	46,014	41,000	38,725
General and administrative	19,136	18,478	16,734
Merger-related	3,075	2,069	1,852
Total operating expenses	96,477	82,599	76,036
Loss from operations	-15,193	-9,494	-15,447
Other income (expense):
Interest income	11	58	106
Interest expense	-96		-241
Other expense, net	-1,355	-594	-359
Total other expense, net	-1,440	-536	-494
Loss before income taxes and non-controlling interest in consolidated subsidiary	-16,633	-10,030	-15,941
Provision for (benefit from) income taxes	260	212	-3,489
Consolidated net loss	-16,893	-10,242	-12,452
Net income attributable to non-controlling interest in consolidated subsidiary		-20	-734
Net loss attributable to Brightcove Inc.	-16,893	-10,262	-13,186
Accretion of dividends on redeemable convertible preferred stock			-733
Net loss attributable to common stockholders	-16,893	-10,262	-13,919
Net loss per share attributable to common stockholders - basic and diluted	($0.53)	($0.36)	($0.57)
Weighted-average number of common shares used in computing net loss per share attributable to common stockholders - basic and diluted	31,949	28,351	24,626
Includes related party revenue ( Note 9 )		42	3,516
Amortization of acquired intangible assets included in above line items:
Amortization expense related to intangible assets	3,200	1,719	644
Cost of subscription and support revenue [Member]
Stock-based compensation included in above line items:
Stock-based compensation	218	248	125
Amortization of acquired intangible assets included in above line items:
Amortization expense related to intangible assets	1,946	1,013	379
Cost of professional services and other revenue [Member]
Stock-based compensation included in above line items:
Stock-based compensation	141	149	116
Research and development [Member]
Stock-based compensation included in above line items:
Stock-based compensation	1,399	1,191	687
Amortization of acquired intangible assets included in above line items:
Amortization expense related to intangible assets	140	39	15
Sales and marketing [Member]
Stock-based compensation included in above line items:
Stock-based compensation	2,193	2,225	1,606
Amortization of acquired intangible assets included in above line items:
Amortization expense related to intangible assets	1,114	667	250
General and administrative [Member]
Stock-based compensation included in above line items:
Stock-based compensation	$2,436	$2,588	$3,309

Consolidated_Statements_of_Com

Consolidated Statements of Comprehensive Loss (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Consolidated Statements of Comprehensive Loss [Abstract]
Consolidated net loss	($16,893)	($10,242)	($12,452)
Other comprehensive loss:
Foreign currency translation adjustments	-323	-1,025	-484
Comprehensive loss	-17,216	-11,267	-12,936
Net income attributable to non-controlling interest in consolidated subsidiary		-20	-734
Comprehensive loss attributable to Brightcove Inc.	($17,216)	($11,287)	($13,670)

Consolidated_Statements_of_Red

Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (USD $)	Total	Preferred Stock [Member]	Preferred Stock [Member]	Preferred Stock [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Total Stock-holders' (Deficit) Equity Attributable to Brightcove Inc. [Member]	Non-Controlling Interest [Member]
In Thousands, except Share data		Series A Redeemable Convertible Preferred Stock [Member]	Series B Redeemable Convertible Preferred Stock [Member]	Series C Redeemable Convertible Preferred Stock [Member]	Series D Redeemable Convertible Preferred Stock [Member]
Beginning Balance at Dec. 31, 2011	($105,085)	$7,533	$23,291	$76,400	$13,127	$5		$1,056	($107,254)	($106,193)	$1,108
Beginning Balance, shares at Dec. 31, 2011		5,375,000	6,921,854	7,392,163	2,315,842	5,224,532
Issuance of common stock upon exercise of stock options	1,346					1	1,345			1,346
Issuance of common stock upon exercise of stock options, shares						801,099
Vesting of restricted stock	101						101			101
Issuance of common stock pursuant to restricted stock units
Issuance of common stock pursuant to restricted stock units, shares						13,009
Issuance of common stock upon net exercise of stock warrants
Issuance of common stock upon net exercise of stock warrants, shares						15,781
Accretion of redeemable convertible preferred stock to redemption value	-39	1	1	32	5				-39	-39
Accretion of cumulative dividends on redeemable convertible preferred stock	-733	42	133	464	94		-677		-56	-733
Stock-based compensation expense	5,843						5,843			5,843
Issuance of common stock in connection with initial public offering, net of issuance costs of $4,347	54,476					6	54,470			54,476
Issuance of common stock in connection with initial public offering, net of issuance costs of $4,347, shares						5,750,000
Conversion of redeemable convertible preferred stock into common stock	121,124	-7,576	-23,425	-76,896	-13,226	16	106,435		14,673	121,124
Conversion of redeemable convertible preferred stock into common stock, shares		-5,375,000	-6,921,854	-7,392,163	-2,315,842	16,150,505
Reclassification of warrants to purchase shares of redeemable convertible preferred stock into warrants to purchase common stock	395						395			395
Foreign currency translation adjustment	-484							-484		-484
Net (loss) income	-12,452								-13,186	-13,186	734
Ending Balance at Dec. 31, 2012	64,492					28	167,912	572	-105,862	62,650	1,842
Ending Balance, shares at Dec. 31, 2012						27,954,926
Issuance of common stock upon exercise of stock options	1,830					1	1,829			1,830
Issuance of common stock upon exercise of stock options, shares						785,525
Vesting of restricted stock	8						8			8
Issuance of common stock pursuant to restricted stock units
Issuance of common stock pursuant to restricted stock units, shares						294,468
Stock-based compensation expense	6,401						6,401			6,401
Purchase of non-controlling interest in consolidated subsidiary	-1,084						778			778	-1,862
Foreign currency translation adjustment	-1,025							-1,025		-1,025
Net (loss) income	-10,242								-10,262	-10,262	20
Ending Balance at Dec. 31, 2013	60,380					29	176,928	-453	-116,124	60,380
Ending Balance, shares at Dec. 31, 2013						29,034,919
Issuance of common stock upon exercise of stock options	597						597			597
Issuance of common stock upon exercise of stock options, shares						210,735
Issuance of common stock pursuant to restricted stock units
Issuance of common stock pursuant to restricted stock units, shares						328,353
Issuance of common stock upon acquisition	30,615					3	30,612			30,615
Issuance of common stock upon acquisition, shares						2,850,547
Stock-based compensation expense	6,387						6,387			6,387
Foreign currency translation adjustment	-323							-323		-323
Net (loss) income	-16,893								-16,893	-16,893
Ending Balance at Dec. 31, 2014	$80,763					$32	$214,524	($776)	($133,017)	$80,763
Ending Balance, shares at Dec. 31, 2014						32,424,554

Consolidated_Statements_of_Red1

Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2012
Equity issuance costs	$4,347

Consolidated_Statements_of_Cas

Consolidated Statements of Cash Flows (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating activities
Net loss	($16,893)	($10,242)	($12,452)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	8,587	5,867	4,666
Stock-based compensation	6,387	6,401	5,843
Deferred income taxes		62	-3,600
Change in fair value of warrants			-28
Provision for reserves on accounts receivable	118	449	137
Amortization of premium on investments	1	73	133
Amortization of deferred financing costs			44
Loss on disposal of equipment	86	43	83
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	409	-3,247	-4,437
Prepaid expenses	-543	-963	77
Other current assets	344	319	347
Other assets	1,140	-819	90
Accounts payable	-2,324	2,117	-1,321
Accrued expenses	-1,902	2,473	3,732
Deferred revenue	6,075	4,785	5,477
Net cash provided by (used in) operating activities	1,485	7,318	-1,209
Investing activities
Cash paid for acquisition, net of cash acquired	-9,100		-27,210
Purchases of investments			-14,063
Maturities of investments	3,060	8,200	2,596
Purchases of property and equipment	-3,518	-3,415	-6,299
Capitalization of internal-use software costs	-1,034	-500	-24
Decrease (increase) in restricted cash	121	-19
Net cash (used in) provided by investing activities	-10,471	4,266	-45,000
Financing activities
Proceeds from issuance of common stock in connection with initial public offering, net of offering costs			56,763
Proceeds from exercise of stock options	597	1,830	1,346
Purchase of non-controlling interest in consolidated subsidiary		-1,084
Payments under term loan			-7,000
Payments under capital lease obligation	-1,399
Net cash (used in) provided by financing activities	-802	746	51,109
Effect of exchange rate changes on cash	-343	-991	-419
Net (decrease) increase in cash and cash equivalents	-10,131	11,339	4,481
Cash and cash equivalents at beginning of year	33,047	21,708	17,227
Cash and cash equivalents at end of year	22,916	33,047	21,708
Supplemental disclosure of cash flow information
Cash paid for income taxes	184	122	61
Cash paid for interest	96		303
Supplemental disclosure of non-cash investing and financing activities
Unpaid internal-use software costs	6	565
Unpaid purchases of property and equipment	559	152	46
Conversion of preferred stock to common stock			121,124
Conversion of warrants to purchase preferred stock to warrants to purchase common stock			395
Accretion of Series A, B, C and D redeemable convertible preferred stock issuance costs and dividends			772
Vesting of restricted stock		8	101
Supplemental disclosure of cash flow related to acquisitions In connection with the acquisitions of Unicorn and Zencoder on January 31, 2014 and on August 14, 2012, respectively, the following transactions occurred:
Fair value of assets acquired	44,373		31,183
Liabilities assumed related to acquisition	-4,645		-3,804
Total purchase price	39,728		27,379
Less fair value of common stock issued in connection with acquisition	-30,615
Add working capital adjustment receivable			79
Less cash and cash equivalents acquired	-13		-248
Cash paid for acquisition, net of cash acquired	$9,100		$27,210

Business_Description

Business Description	12 Months Ended
	Dec. 31, 2014
Business Description [Abstract]
Business Description	1. Business Description
	Brightcove Inc. (the Company) is a leading global provider of cloud services for video which enable its customers to publish and distribute video to Internet-connected devices quickly, easily and in a cost-effective and high-quality manner.
	The Company is headquartered in Boston, Massachusetts and was incorporated in the state of Delaware on August 24, 2004. At December 31, 2014, the Company had nine wholly-owned subsidiaries: Brightcove UK Ltd, Brightcove Singapore Pte. Ltd., Brightcove Korea, Brightcove Australia Pty Ltd, Brightcove Holdings, Inc., Brightcove Kabushiki Kaisha (Brightcove KK), Zencoder Inc. (Zencoder), Brightcove FZ-LLC, and Cacti Acquisition LLC.

Summary_of_Significant_Account

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2014
Summary of Significant Accounting Policies [Abstract]
Summary of Significant Accounting Policies	2. Summary of Significant Accounting Policies
	The accompanying consolidated financial statements reflect the application of certain significant accounting policies as described below and elsewhere in these notes to the consolidated financial statements.
	The Company believes that a significant accounting policy is one that is both important to the portrayal of the Company's financial condition and results, and requires management's most difficult, subjective, or complex judgments, often as the result of the need to make estimates about the effect of matters that are inherently uncertain.
	Basis of Presentation
	The accompanying consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP). Any reference in these notes to applicable guidance is meant to refer to the authoritative United States generally accepted accounting principles as found in the Accounting Standards Codification (ASC) and Accounting Standards Update (ASU) of the Financial Accounting Standards Board (FASB).
	Use of Estimates and Uncertainties
	The preparation of financial statements in conformity with generally accepted accounting principles in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts expensed during the reporting period. Actual results could differ from those estimates.
	Significant estimates relied upon in preparing these consolidated financial statements include revenue recognition and revenue reserves, allowances for doubtful accounts, contingent liabilities, the expensing and capitalization of research and development costs for internal-use software, intangible asset valuations, amortization periods, expected future cash flows used to evaluate the recoverability of long-lived assets, the determination of the fair value of stock awards issued, stock-based compensation expense, and the recoverability of the Company's net deferred tax assets and related valuation allowance.
	Although the Company regularly assesses these estimates, actual results could differ materially from these estimates. Changes in estimates are recorded in the period in which they become known. The Company bases its estimates on historical experience and various other assumptions that it believes to be reasonable under the circumstances. Actual results may differ from management's estimates if these results differ from historical experience, or other assumptions do not turn out to be substantially accurate, even if such assumptions are reasonable when made.
	The Company is subject to a number of risks and uncertainties common to companies in similar industries and stages of development including, but not limited to, rapid technological changes, competition from substitute products and services from larger companies, customer concentration, management of international activities, protection of proprietary rights, patent litigation, and dependence on key individuals.
	Principles of Consolidation
	The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries and non-controlling interest. All significant intercompany balances and transactions have been eliminated in consolidation.
	Non-controlling interest in 2012 represents the minority stockholders' proportionate share (37%) of the Company's majority-owned subsidiary, Brightcove KK, a Japanese joint venture, which was formed on July 18, 2008. The portion of net income attributable to non-controlling interest prior to the remaining acquisition in 2013 is presented as net income attributable to non-controlling interest in consolidated subsidiary in the consolidated statements of operations, and the portion of other comprehensive loss of this subsidiary is presented in the consolidated statements of redeemable convertible preferred stock and stockholders' equity (deficit) and statements of comprehensive loss. See Note 8 for further discussion.
	On January 8, 2013, the Company acquired the remaining 37% interest in Brightcove KK. The purchase price of the remaining interest of Brightcove KK was approximately $1.1 million and was funded by cash on hand. The Company owned a 63% interest in the Brightcove KK joint venture since its formation in 2008. Brightcove KK is now 100% owned by the Company. The purchase was accounted for as an equity transaction and, as such, the Company has continued to consolidate Brightcove KK for financial reporting purposes; however, commencing on January 8, 2013, the Company no longer records non-controlling interest in its consolidated financial statements.
	Subsequent Events Considerations
	The Company considers events or transactions that occur after the balance sheet date but prior to the issuance of the financial statements to provide additional evidence for certain estimates or to identify matters that require additional disclosure. Subsequent events have been evaluated as required. The Company has evaluated all subsequent events and determined that there are no material recognized or unrecognized subsequent events.
	Foreign Currency Translation
	The reporting currency of the Company is the U.S. dollar. The functional currency of the Company's foreign subsidiaries is the local currency of each subsidiary. All assets and liabilities in the balance sheets of entities whose functional currency is a currency other than the U.S. dollar are translated into U.S. dollar equivalents at exchange rates as follows: (1) asset and liability accounts at period-end rates, (2) income statement accounts at weighted-average exchange rates for the period, and (3) stockholders' equity accounts at historical exchange rates. The resulting translation adjustments are excluded from income (loss) and reflected as a separate component of stockholders' equity. Foreign currency transaction gains and losses are included in net loss for the period. The Company may periodically have certain intercompany foreign currency transactions that are deemed to be of a long-term investment nature; exchange adjustments related to those transactions are made directly to a separate component of stockholders' equity.
	Cash, Cash Equivalents and Investments
	The Company considers all highly liquid investments with an original maturity of three months or less at the date of purchase to be cash equivalents. Investments not classified as cash equivalents with maturities less than one year from the balance sheet date are classified as short-term investments, while investments with maturities in excess of one year from the balance sheet date are classified as long-term investments. Management determines the appropriate classification of investments at the time of purchase, and re-evaluates such determination at each balance sheet date.
	Cash and cash equivalents primarily consist of cash on deposit with banks and amounts held in interest-bearing money market accounts. Cash equivalents are carried at cost, which approximates their fair market value. Investments primarily consist of certificates of deposit, commercial paper and corporate debentures. At December 31, 2013, the Company classified its investments as held-to-maturity as it was the Company's intention to hold such investments until they mature. As such, investments are recorded at amortized cost at December 31, 2013.
	Cash and cash equivalents as of December 31, 2014 consist of the following:
		31-Dec-14
	Description	Contracted Maturity				Amortized Cost				Fair Market						Balance Per
										Value						Balance Sheet
	Cash		Demand			$	13,342			$	13,342			$	13,342
	Money market funds		Demand				9,574				9,574				9,574
	Total cash and cash equivalents					$	22,916			$	22,916			$	22,916
	Cash, cash equivalents and investments as of December 31, 2013 consist of the following:
		31-Dec-13
	Description	Contracted Maturity				Amortized Cost				Fair Market					Balance Per
										Value					Balance Sheet
	Cash		Demand			$	19,250			$	19,250			$	19,250
	Money market funds		Demand				13,797				13,797				13,797
	Total cash and cash equivalents					$	33,047			$	33,047			$	33,047
	Certificates of deposit		110 - 163 days			$	960			$	961			$	960
	Corporate debentures		23 - 96 days				2,101				2,102				2,101
	Total short-term investments					$	3,061			$	3,063			$	3,061
	Restricted Cash
	At December 31, 2014 and 2013, restricted cash was $201,000  and $322,000, respectively, and was held in certificates of deposit as collateral for letters of credit related to the contractual provisions of the Company's corporate credit cards.and the contractual provisions with a customer.
	Disclosure of Fair Value of Financial Instruments
	The carrying amounts of the Company's financial instruments, which include cash, cash equivalents, accounts receivable, accounts payable and accrued expenses, approximated their fair values at December 31, 2014 and 2013, due to the short-term nature of these instruments. See Note 5 for discussion on the determination of the fair value of the Company's long-term investments.
	The Company has evaluated the estimated fair value of financial instruments using available market information and management's estimates. The use of different market assumptions and/or estimation methodologies could have a significant impact on the estimated fair value amounts. See Note 5 for further discussion.
	Revenue Recognition
	The Company primarily derives revenue from the sale of its online video platform, which enables its customers to publish and distribute video to Internet-connected devices quickly, easily and in a cost-effective and high-quality manner. Revenue is derived from three primary sources: (1) the subscription to its technology and related support; (2) hosting, bandwidth and encoding services; and (3) professional services, which include initiation, set-up and customization services.
	The Company recognizes revenue when all of the following conditions are satisfied: (1) there is persuasive evidence of an arrangement; (2) the service has been provided to the customer; (3) the collection of fees is probable; and (4) the amount of fees to be paid by the customer is fixed or determinable.
	The Company's subscription arrangements provide customers the right to access its hosted software applications. Customers do not have the right to take possession of the Company's software during the hosting arrangement. Accordingly, the Company recognizes revenue in accordance with ASC 605, Revenue Recognition. Contracts for premium customers generally have a term of one year and are non-cancellable. These contracts generally provide the customer with a maximum annual level of usage, and provide the rate at which the customer must pay for actual usage above the annual allowable usage. For these services, the Company recognizes the annual fee ratably as revenue each month. Should a customer's usage of the Company's services exceed the annual allowable level, revenue is recognized for such excess in the period of the usage. Contracts for volume customers are generally month-to-month arrangements, have a maximum monthly level of usage and provide the rate at which the customer must pay for actual usage above the monthly allowable usage. The monthly volume subscription and support and usage fees are recognized as revenue during the period in which the related cash is collected.
	Revenue recognition commences upon the later of when the application is placed in a production environment, or when all revenue recognition criteria have been met.
	Professional services and other revenue sold on a stand-alone basis are recognized as the services are performed, subject to any refund or other obligation.
	Deferred revenue includes amounts billed to customers for which revenue has not been recognized, and primarily consists of the unearned portion of annual software subscription and support fees, and deferred professional service fees.
	Revenue is presented net of any taxes collected from customers.
	Multiple-Element Arrangements
	The Company periodically enters into multiple-element service arrangements that include platform subscription fees, support fees, initiation fees, and, in certain cases, other professional services.
	The Company assesses arrangements with multiple deliverables under ASU No. 2009-13, Revenue Recognition (Topic 605), Multiple-Deliverable Revenue Arrangements — a Consensus of the FASB Emerging Issues Task Force, which amended the previous multiple-element arrangements accounting guidance. Pursuant to ASU 2009-13, objective and reliable evidence of fair value of the undelivered elements is no longer required in order to account for deliverables in a multiple-element arrangement separately. Instead, arrangement consideration is allocated to deliverables based on their relative selling price. The new guidance also eliminates the use of the residual method.
	In order to treat deliverables in a multiple-element arrangement as separate units of accounting, the deliverables must have stand-alone value upon delivery. If the deliverables have stand-alone value upon delivery, the Company accounts for each deliverable separately. Subscription services have stand-alone value as such services are often sold separately. In determining whether professional services have stand-alone value, the Company considers the following factors for each professional services agreement: availability of the services from other vendors, the nature of the professional services, the timing of when the professional services contract was signed in comparison to the subscription service start date, and the contractual dependence of the subscription service on the customer's satisfaction with the professional services work. To date, the Company has concluded that all of the professional services included in multiple-element arrangements executed have stand-alone value, with the exception of initiation and activation fees.
	When multiple deliverables included in an arrangement are separated into different units of accounting, the arrangement consideration is allocated to the identified separate units based on a relative selling price hierarchy. The Company determines the relative selling price for a deliverable based on its vendor-specific objective evidence of fair value (VSOE), if available, or its best estimate of selling price (BESP), if VSOE is not available. The Company has determined that third-party evidence of selling price (TPE) is not a practical alternative due to differences in its service offerings compared to other parties and the availability of relevant third-party pricing information. The amount of revenue allocated to delivered items is limited by contingent revenue, if any.
	The Company has not established VSOE for its offerings due to the lack of pricing consistency, the introduction of new services and other factors. Accordingly, the Company uses its BESP to determine the relative selling price. The Company determines BESP by considering its overall pricing objectives and market conditions. Significant pricing practices taken into consideration include the Company's discounting practices, the size and volume of the Company's transactions, the geographic area where services are sold, price lists, historical contractually stated prices and prior relationships and future subscription service sales with certain classes of customers.
	The determination of BESP is made through consultation with and approval by the Company's management, taking into consideration the go-to-market strategy. As the Company's go-to-market strategies evolve, the Company may modify its pricing practices in the future, which could result in changes in selling prices, including both VSOE and BESP. The Company plans to analyze the selling prices used in its allocation of arrangement consideration, at a minimum, on an annual basis. Selling prices will be analyzed on a more frequent basis if a significant change in the Company's business necessitates a more timely analysis or if the Company experiences significant variances in its selling prices.
	Cost of Revenue
	Cost of revenue primarily consists of costs related to supporting and hosting the Company's product offerings and delivering professional services. These costs include salaries, benefits, incentive compensation and stock-based compensation expense related to the management of the Company's data centers, customer support team and the Company's professional services staff, in addition to third-party service provider costs such as data center and networking expenses, allocated overhead, amortization of capitalized internal-use software development costs and intangible assets and depreciation expense.
	Allowance for Doubtful Accounts
	The Company offsets gross trade accounts receivable with an allowance for doubtful accounts. The allowance for doubtful accounts is the Company's best estimate of the amount of probable credit losses in the Company's existing accounts receivable and is based upon historical loss patterns, the number of days that billings are past due, and an evaluation of the potential risk of loss associated with specific accounts. Account balances are charged against the allowance after all means of collection have been exhausted and the potential for recovery is considered remote. Provisions for allowances for doubtful accounts are recorded in general and administrative expense.
	Below is a summary of the changes in the Company's allowance for doubtful accounts for the years ended December 31, 2014, 2013 and 2012:
		Balance at Beginning of Period			Provision			Write-offs				Balance at
End of Period
Year ended December 31, 2014	$	461		$	118		$	(398	)		$	181
Year ended December 31, 2013		338			449			(326	)			461
Year ended December 31, 2012		266			137			(65	)			338
Off-Balance Sheet Risk and Concentration of Credit Risk
The Company has no significant off-balance sheet risk, such as foreign exchange contracts, option contracts, or other foreign hedging arrangements. Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash, cash equivalents, investments and trade accounts receivable. The Company maintains its cash and cash equivalents and investments principally with accredited financial institutions of high credit standing. Although the Company deposits its cash with multiple financial institutions, its deposits, at times, may exceed federally insured limits. The Company routinely assesses the creditworthiness of its customers. The Company generally has not experienced any material losses related to receivables from individual customers, or groups of customers. The Company does not require collateral. Due to these factors, no additional credit risk beyond amounts provided for collection losses is believed by management to be probable in the Company's accounts receivable.
For the years ended December 31, 2014, 2013 and 2012, no individual customer accounted for more than 10% of total revenue.
As of December 31, 2014 and 2013, no individual customer accounted for more than 10% of net accounts receivable.
Concentration of Other Risks
The Company is dependent on certain content delivery network providers who provide digital media delivery functionality enabling the Company's on-demand application service to function as intended for the Company's customers and ultimate end-users. The disruption of these services could have a material adverse effect on the Company's business, financial position, and results of operations.
Software Development Costs
Costs incurred to develop software applications used in the Company's on-demand application services consist of (a) certain external direct costs of materials and services incurred in developing or obtaining internal-use computer software, and (b) payroll and payroll-related costs for employees who are directly associated with, and who devote time to, the project. These costs generally consist of internal labor during configuration, coding, and testing activities. Research and development costs incurred during the preliminary project stage or costs incurred for data conversion activities, training, maintenance and general and administrative or overhead costs are expensed as incurred. Capitalization begins when the preliminary project stage is complete, management, with the relevant authority, authorizes and commits to the funding of the software project, it is probable the project will be completed, the software will be used to perform the functions intended and certain functional and quality standards have been met. Qualified costs incurred during the operating stage of the Company's software applications relating to upgrades and enhancements are capitalized to the extent it is probable that they will result in added functionality, while costs that cannot be separated between maintenance of, and minor upgrades and enhancements to, internal-use software are expensed as incurred. These capitalized costs are amortized on a straight-line basis over the expected useful life of the software, which is estimated to be three years. Capitalized internal-use software development costs are classified as “Software” within “Property and Equipment, net” in the accompanying consolidated balance sheets.
During the years ended December 31, 2014, 2013 and 2012, the Company capitalized $474, $1,065 and $24, respectively, of internal-use software development costs. The Company recorded amortization expense associated with its capitalized internal-use software development costs of $397, $312 and $542 for the years ended December 31, 2014, 2013 and 2012, respectively.
In addition to the software development costs described above, the Company incurs costs to develop computer software to be licensed or otherwise marketed to customers. Costs incurred in the research, design and development of software for sale to others are charged to expense until technological feasibility is established. The Company capitalizes eligible computer software development costs upon achievement of technological feasibility subject to net realizable value considerations. Thereafter, software development costs are capitalized until the product is released and amortized to product cost of sales on a straight-line basis over the lesser of three years or the estimated economic lives of the respective products. The Company has determined that technological feasibility is established at the time a working model of software is completed. Because the Company believes its current process for developing software will be essentially completed concurrently with the establishment of technological feasibility, no costs have been capitalized to date.
Property and Equipment
Property and equipment are recorded at cost and depreciated over their estimated useful lives using the straight-line method. Leasehold improvements are amortized over the shorter of the lease term or the estimated useful life of the related asset. Upon retirement or sale, the cost of assets disposed of, and the related accumulated depreciation, are removed from the accounts, and any resulting gain or loss is included in the determination of net income or loss in the period of retirement.
Property and equipment consists of the following:
	Estimated Useful Life (in Years)				December 31,
					2014				2013
Computer equipment		3			$	19,815			$	14,275
Software		3 - 6				9,245				8,473
Furniture and fixtures		5				1,827				1,721
Leasehold improvements		Shorter of lease term or the estimated				929				737
		useful life
						31,816				25,206
Less accumulated depreciation and amortization						21,444				16,411
					$	10,372			$	8,795
Depreciation and amortization expense, which includes amortization expense associated with capitalized internal-use software development costs, for the years ended December 31, 2014, 2013 and 2012 was $5,388, $4,148 and $4,022, respectively.
Expenditures for maintenance and repairs are charged to expense as incurred, whereas major improvements are capitalized as additions to property and equipment.
Long-Lived Assets
The Company reviews long-lived assets and certain identifiable intangible assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. During this review, the Company re-evaluates the significant assumptions used in determining the original cost and estimated lives of long-lived assets. Although the assumptions may vary from asset to asset, they generally include operating results, changes in the use of the asset, cash flows, and other indicators of value. Management then determines whether the remaining useful life continues to be appropriate, or whether there has been an impairment of long-lived assets based primarily upon whether expected future undiscounted cash flows are sufficient to support the assets' recovery. If impairment exists, the Company adjusts the carrying value of the asset to fair value, generally determined by a discounted cash flow analysis.
For the years ended December 31, 2014, 2013 and 2012, the Company has not identified any impairment of its long-lived assets.
Business Combinations
The Company records tangible and intangible assets acquired and liabilities assumed in business combinations under the purchase method of accounting. Amounts paid for each acquisition are allocated to the assets acquired and liabilities assumed based on their fair values at the date of acquisition. The Company then allocates the purchase price in excess of net tangible assets acquired to identifiable intangible assets based on detailed valuations that use information and assumptions provided by management. Any excess purchase price over the fair value of the net tangible and intangible assets acquired and liabilities assumed is allocated to goodwill. If the fair value of the assets acquired exceeds our purchase price, the excess is recognized as a gain.
Significant management judgments and assumptions are required in determining the fair value of acquired assets and liabilities, particularly acquired intangible assets. The valuation of purchased intangible assets is based upon estimates of the future performance and cash flows from the acquired business. Each asset is measured at fair value from the perspective of a market participant.
If different assumptions are used, it could materially impact the purchase price allocation and adversely affect our results of operations, financial condition and cash flows.
Intangible Assets and Goodwill
Intangible assets that have finite lives are amortized over their useful lives based on the pattern of consumption of the economic benefit or, if that pattern cannot be readily determined, on a straight-line basis and are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, as discussed above.
Goodwill is not amortized, but is evaluated for impairment annually, or whenever events or changes in circumstances indicate that the carrying value may not be recoverable.
In assessing the recoverability of goodwill, the Company must make assumptions regarding the estimated future cash flows, and other factors, to determine the fair value of these assets. If these estimates or their related assumptions change in the future, the Company may be required to record impairment charges against these assets in the reporting period in which the impairment is determined. The Company has determined, based on its organizational structure, that it had one reporting unit as of December 31, 2014 and 2013.
For goodwill, the impairment evaluation includes a comparison of the carrying value of the reporting unit to the fair value of the reporting unit. If the reporting unit's estimated fair value exceeds the reporting unit's carrying value, no impairment of goodwill exists. If the fair value of the reporting unit does not exceed its carrying value, then further analysis would be required to determine the amount of the impairment, if any.
In accordance with ASU No. 2011-08, Intangibles — Goodwill and Other (Topic 350) Testing Goodwill for Impairment, the Company has the option to assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount to determine whether further impairment testing is necessary. Based on the results of the qualitative review of goodwill performed as of December 31, 2014 and 2013, the Company did not identify any indicators of impairment. As such, the two-phase process described above was not necessary.
Comprehensive Income (Loss)
Comprehensive income (loss) is defined as the change in equity of a business enterprise during a period from transactions, other events, and circumstances from non-owner sources. Accumulated other comprehensive loss is presented separately on the consolidated balance sheets and consists entirely of cumulative foreign translation adjustments as of December 31, 2014 and 2013.
Net Loss per Share
The Company calculates basic and diluted net loss per common share by dividing the net loss attributable to common stockholders by the weighted-average number of common shares outstanding during the period. The Company has excluded (a) all unvested restricted shares that are subject to repurchase and (b) the Company's other potentially dilutive shares, which include redeemable convertible preferred stock in 2012, warrants to purchase redeemable convertible preferred stock in 2012, warrants to purchase common stock and outstanding common stock options, from the weighted-average number of common shares outstanding as their inclusion in the computation for all periods would be anti-dilutive due to net losses incurred. The Company's redeemable convertible preferred stock were deemed to be participating securities as defined by ASC 260-10, Earnings Per Share, but were excluded from the earnings per share calculation as they do not have an obligation to share in the Company's net losses.
A reconciliation of the number of shares used in the calculation of basic and diluted net loss per share is as follows:
	Year Ended December 31,
	2014				2013				2012
	(in thousands, except per share data)
Computation of basic and diluted net loss per share:
Net loss attributable to common stockholders	$	(16,893	)		$	(10,262	)		$	(13,919	)
Weighted-average shares of common stock outstanding		31,949				28,351				24,662
Less: weighted-average number of unvested restricted common shares outstanding		—				—				36
Weighted-average number of common shares used in calculating net loss per common share		31,949				28,351				24,626
Net loss per share applicable to common stockholders	$	(0.53	)		$	(0.36	)		$	(0.57	)
The following potentially dilutive common shares have been excluded from the computation of weighted-average shares outstanding as of December 31, 2014, 2013 and 2012, as their effect would have been antidilutive:
	Year Ended December 31,
	2014				2013				2012
	(in thousands)
Redeemable convertible preferred stock		—				—				2,162
Options outstanding		3,805				3,331				3,894
Restricted stock units outstanding		990				1,398				384
Unvested restricted shares		—				—				36
Warrants		28				28				34
Income Taxes
The Company accounts for income taxes in accordance with the asset and liability method. Under this method, deferred tax assets and liabilities are recognized based on temporary differences between the financial reporting and income tax bases of assets and liabilities using statutory rates. In addition, this method requires a valuation allowance against net deferred tax assets if, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.
The Company accounts for uncertain tax positions recognized in the consolidated financial statements by prescribing a more-likely-than-not threshold for financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. Interest and penalties, if applicable, related to uncertain tax positions would be recognized as a component of income tax expense. The Company has no recorded liabilities for uncertain tax positions as of December 31, 2014 or 2013.
Stock-Based Compensation
At December 31, 2014, the Company had four stock-based compensation plans: the Amended and Restated 2004 Stock Option and Incentive Plan, the 2012 Stock Incentive Plan, the Brightcove Inc. 2012 RSU Inducement Plan, and the Brightcove Inc. 2014 Stock Option Inducement Plan. Additionally, during March 2009, Brightcove KK adopted the Brightcove KK Stock Option Plan. On January 8, 2013, in conjunction with the acquisition of the remaining 37% of Brightcove KK, the Brightcove KK Stock Option Plan was terminated. These plans are more fully described in Note 7.
For stock options issued under the Company's stock-based compensation plans, the fair value of each option grant is estimated on the date of grant, and an estimated forfeiture rate is used when calculating stock-based compensation expense for the period. For restricted stock awards issued under the Company's stock-based compensation plans, the fair value of each grant is calculated based on the Company's stock price on the date of grant. For service-based options, the Company recognizes compensation expense on a straight-line basis over the requisite service period of the award.
The fair value of each option grant issued under the Company's stock-based compensation plans was estimated using the Black-Scholes option-pricing model. As there was no public market for its common stock prior to February 17, 2012, the effective date of the Company's IPO, and as the trading history of the Company's common stock was limited through December 31, 2014, the Company determined the volatility for options granted based on an analysis of reported data for a peer group of companies that issued options with substantially similar terms. The expected volatility of options granted has been determined using an average of the historical volatility measures of this peer group of companies. The expected life of options has been determined utilizing the “simplified method”. The simplified method is based on the average of the vesting tranches and the contractual life of each grant. The risk-free interest rate is based on a treasury instrument whose term is consistent with the expected life of the stock options. The Company has not paid, and does not anticipate paying, cash dividends on its common stock; therefore, the expected dividend yield is assumed to be zero. In addition, based on an analysis of the historical actual forfeitures, the Company applied an estimated forfeiture rate of approximately 17%, 15% and 14% for the years ended December 31, 2014, 2013 and 2012, respectively, in determining the expense recorded in the accompanying consolidated statements of operations.
The weighted-average fair value of options granted during the years ended December 31, 2014, 2013 and 2012, was $4.21, $5.34 and $7.74 per share, respectively. The weighted-average assumptions utilized to determine such values are presented in the following table:
	Year Ended December 31,
	2014				2013				2012
Risk-free interest rate		2.16		%		1.8		%		1.25	%
Expected volatility		52		%		54		%		57	%
Expected life (in years)		6.2				6.2				6.2
Expected dividend yield		—				—				—
As of December 31, 2014, there was $11,725 of total unrecognized stock-based compensation expense related to unvested employee stock options, restricted stock awards and restricted stock units issued under the Company's stock-based compensation plans that is expected to be recognized over a weighted-average period of 3.14 years. The total unrecognized stock-based compensation expense will be adjusted for future changes in estimated forfeitures.
The Company accounts for transactions in which services are received from non-employees in exchange for equity instruments based on the fair value of such services received, or of the equity instruments issued, whichever is more reliably measured. The Company determines the total stock-based compensation expense related to non-employee awards using the Black-Scholes option-pricing model. Additionally, in accordance with ASC 505, Equity-Based Payments to Non-Employees, the Company accounts for awards to non-employees prospectively, such that the fair value of the awards is remeasured at each reporting date until the earlier of (a) the performance commitment date or (b) the date the services required under the arrangement have been completed.
For the years ended December 31, 2014, 2013 and 2012, stock-based compensation expense for stock options granted to non-employees in the accompanying consolidated statements of operations was not material.
For the years ended December 31, 2014, 2013 and 2012, total stock-based compensation expense, including expense related to stock-based awards granted under the Brightcove KK Plan, was $6,387, $6,401 and $5,843, respectively.
See Note 7 for a summary of the stock option activity under the Company's stock-based compensation plans for the year ended December 31, 2014.
Advertising Costs
Advertising costs are charged to operations as incurred. The Company incurred advertising costs of $3,515, $3,215 and $3,881 for the years ended December 31, 2014, 2013 and 2012, respectively.
Recent Accounting Pronouncements
In May 2014, the FASB and the International Accounting Standards Board jointly issued ASU No. 2014-9, Revenue from Contracts with Customers, which clarifies the principles for recognizing revenue and develops a common revenue standard for GAAP and International Financial Reporting Standards. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods and services. The ASU is effective for public entities for annual and interim periods beginning after December 15, 2016. Early adoption is not permitted under GAAP and retrospective application is permitted but not required. The Company is currently evaluating the impact of adopting this guidance on its financial position and results of operations.
In August 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2014-15, Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern. ASU 2014-15 requires management to evaluate, at each annual or interim reporting period, whether there are conditions or events that exist that raise substantial doubt about an entity's ability to continue as a going concern within one year after the date the financial statements are issued and provide related disclosures. ASU 2014-15 is effective for annual periods ending after December 15, 2016 and earlier application is permitted. The adoption of ASU 2014-15 is not expected to have a material effect on the Company's consolidated financial statements or disclosures.

Business_Combinations

Business Combinations	12 Months Ended
	Dec. 31, 2014
Business Combinations [Abstract]
Business Combinations	3. Business Combinations
	Unicorn Media, Inc.
	On January 31, 2014, pursuant to the Asset Purchase Agreement and Plan of Reorganization (the Purchase Agreement) dated as of January 6, 2014, by and among the Company, Cacti Acquisition LLC, a Delaware limited liability company and wholly-owned subsidiary of the Company, Unicorn Media, Inc. (“Unicorn Media”), Unicorn Media of Arizona, Inc., an Arizona corporation (“Unicorn Arizona Sub”), U Media Limited, a private limited company registered in England and Wales (“Unicorn UK Sub” and, together with Unicorn Media and Unicorn Arizona Sub, “Unicorn”), and the Securityholders' Representative named therein, the Company completed its acquisition of substantially all of Unicorn's assets in exchange for common stock of the Company and the assumption by the Company of certain liabilities of Unicorn (the “Acquisition”). The Company issued 2,850,547 unregistered shares of common stock of the Company and paid approximately $9,100 in cash to cover transaction-related expenses of Unicorn, bonus expenses payable by Unicorn, the assumption of Unicorn's liability to cash out all vested non-qualified stock options and compensatory warrants to purchase the common stock of Unicorn outstanding immediately prior to the closing (including all Unicorn withholding obligations in connection therewith) and certain other liabilities of Unicorn. Based on a $10.74 price per share of the Company's common stock at the date of closing, the transaction is valued at approximately $39,728. Pursuant to the Purchase Agreement, 1,285,715 shares were placed into an escrow account to settle certain claims for indemnification for breaches or inaccuracies in Unicorn's representations and warranties, covenants and agreements. The Company recorded revenue from the acquisition of Unicorn of approximately $6,478 in the consolidated statements of operations from the acquisition date through December 31, 2014.  It is impracticable for the Company to determine the amount of net loss from the acquisition of Unicorn included in the Company's consolidated statements of operations from the acquisition date through December 31, 2014 due to operating costs of Unicorn being included in the Company's historical departments subsequent to the acquisition. The Company acquired substantially all of Unicorn's assets to enhance and extend the Company's existing offerings with Unicorn's cloud video ad insertion technology. The Acquisition did not result in the addition of any reportable segments.
	The Acquisition was accounted for using the purchase method of accounting in accordance with ASC 805 — Business Combinations. Accordingly, the results of operations of Unicorn have been included in the accompanying consolidated financial statements since the date of acquisition. The purchase price has been allocated to the tangible and intangible assets acquired and liabilities assumed based upon the respective estimates of fair value as of the date of the Acquisition and using assumptions that the Company's management believes are reasonable given the information currently available.
	The process for estimating the fair values of identifiable intangible assets and certain tangible assets requires the use of significant estimates and assumptions, including estimating future cash flows and developing appropriate discount rates.
	During the year ended December 31, 2014, the Company incurred merger-related costs related to the Acquisition of $2,999. Included in merger-related expenses are costs incurred in connection with closing the Acquisition in addition to costs associated with the retention of certain key employees. In addition to the $39,728 purchase price, pursuant to the Purchase Agreement, approximately $1,600 will be paid to retain certain key employees over periods ranging from one to two years as services are performed. Given that the retention amount is related to a future service requirement, the related expense is being recorded as compensation expense in the consolidated statements of operations over the expected service period, and was $1,251 during the year ended December 31, 2014.
	All of the assets acquired and the liabilities assumed in the Acquisition have been recognized at their acquisition date fair values, which was finalized at December 31, 2014. The total purchase price for Unicorn has been allocated as follows:
	Cash and cash equivalents	$	13
	Other tangible assets		4,173
	Identifiable intangible assets		11,429
	Goodwill		28,758
	Liabilities assumed		(4,645	)
	Total estimated purchase price	$	39,728
	The following are the identifiable intangible assets acquired and their respective estimated useful lives:
		Amount			Useful Life
					(in years)
	Developed technology	$	8,149			8
	Customer relationships		1,964			7
	Non-compete agreements		1,316			3
	Total	$	11,429
	The fair value of the intangible assets has been estimated using the income approach in which the after-tax cash flows are discounted to present value. The cash flows are based on estimates used to price the transaction, and the discount rates applied were benchmarked with reference to the implied rate of return from the transaction model as well as the weighted-average cost of capital.
	In performing the purchase price allocation, the Company considered, among other factors, its intention for future use of the acquired assets, analyses of historical financial performance, and estimates of future cash flows from Unicorn's products and services. The allocation resulted in acquired intangible assets of $11,429.
	The acquired intangible assets consisted of developed technology, customer relationships and non-compete agreements and were valued using the income approach in which the after-tax cash flows are discounted to present value. The cash flows are based on estimates used to price the transaction, and the discount rates applied were benchmarked with reference to the implied rate of return from the transaction model as well as the weighted average cost of capital.
	The Company assumed certain deferred tax assets and liabilities as part of the acquisition. The deferred tax assets relate to the net operating losses and other tax benefits acquired from Unicorn as part of the transaction. The deferred tax liabilities primarily relate to the tax impact of future amortization or impairments associated with the identified intangible assets acquired, which are not deductible for tax purposes. The Company has provided a valuation allowance against the resulting net deferred tax assets from the transaction as management believes it is more likely than not that the Company will not realize the benefits of these deductions.
	The excess of the purchase price over the estimated amount of net assets as of the effective date of the Acquisition was allocated to goodwill in accordance with the accounting guidance. The factors contributing to the recognition of the amount of goodwill are based on several strategic and synergistic benefits that are expected to be realized from the Acquisition. These benefits include the expectation that the combined company's complementary products will significantly broaden the Company's offerings in cloud video ad insertion. The combined company will benefit from a broader global presence, and with the Company's direct sales force and larger channel coverage, the combined company anticipates significant cross-selling opportunities. None of the goodwill is expected to be currently deductible for tax purposes.
	Pro Forma Financial Information
	The unaudited financial information in the table below summarizes the combined results of operations of the Company and Unicorn, on a pro forma basis, as though the Company had acquired Unicorn on January 1, 2013. The pro forma information for all periods presented also includes the effects of business combination accounting resulting from the acquisition, including amortization charges from acquired intangibles assets and the compensation expense recorded to retain certain key employees.
		Year Ended December 31,
		2014			2013
	Total revenue	$	125,558		$	115,612
	Net loss	$	(15,226	)	$	(22,624	)
	Net loss per share – basic and diluted	$	(0.47	)	$	(0.73	)
	Zencoder
	On August 14, 2012, the Company acquired Zencoder, a cloud-based media processing service and HTML5 video player technology provider, for total consideration of approximately $27.4 million. This transaction was accounted for under the purchase method of accounting. Accordingly, the results of operations of Zencoder have been included in the Company's consolidated financial statements since the date of acquisition. All of the assets acquired and liabilities assumed in the transaction have been recognized at their acquisition date fair values, which were finalized at December 31, 2012. The acquisition did not result in the addition of any reportable segments.

Intangible_Assets_and_Goodwill

Intangible Assets and Goodwill	12 Months Ended
	Dec. 31, 2014
Intangible Assets and Goodwill [Abstract]
Intangible Assets and Goodwill	4. Intangible Assets and Goodwill
	Finite-lived intangible assets consist of the following as of December 31, 2014:
		Weighted Average
	Description	Estimated Useful Life			Gross Carrying Value			Accumulated Amortization			Net Carrying Value
		(in years)
	Developed technology		7		$	14,223		$	3,338		$	10,885
	Customer relationships		12			5,957			935			5,022
	Non-Compete agreements		3			1,912			998			914
	Tradename		3			368			291			77
	Total				$	22,460		$	5,562		$	16,898
	Finite-lived intangible assets consist of the following as of December 31, 2013:
	Description	Estimated Useful Life		Gross Carrying			Accumulated Amortization			Net Carrying Value
		(in years)		Value
	Developed technology		6	$	6,074		$	1,392		$	4,682
	Customer relationships		14		3,993			392			3,601
	Non-Compete agreements		2		596			410			186
	Tradename		3		368			169			199
	Total			$	11,031		$	2,363		$	8,668
	Amortization expense related to intangible assets for the years ended December 31, 2014, 2013 and 2012 was $3,200, $1,719 and $644, respectively.
	The estimated remaining amortization expense for each of the five succeeding years and thereafter is as follows:
	Year Ending December 31,	Amount
	2015	$	3,112
	2016		3,035
	2017		2,633
	2018		2,218
	2019		1,584
	2020 and thereafter		4,316
	Total	$	16,898
	The following is a rollforward of the Company's goodwill balance:
	Balance as of December 31, 2013	$	22,018
	Goodwill related to the acquisition of Unicorn Media, Inc.		28,758
	Balance as of December 31, 2014	$	50,776

Fair_Value_Measurements

Fair Value Measurements	12 Months Ended
	Dec. 31, 2014
Fair Value Measurements [Abstract]
Fair Value Measurements	5. Fair Value Measurements
	Fair value is an exit price, representing the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants based on the highest and best use of the asset or liability. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. The Company uses valuation techniques to measure fair value that maximize the use of observable inputs and minimize the use of unobservable inputs. These inputs are prioritized as follows:
		•	Level 1:   Observable inputs, such as quoted prices for identical assets or liabilities in active markets;
		•	Level 2:   Inputs, other than the quoted prices in active markets, that are observable either directly or indirectly, such as quoted prices for similar assets or liabilities, or market-corroborated inputs; and
		•	Level 3:   Unobservable inputs for which there is little or no market data which require the reporting entity to develop its own assumptions about how market participants would price the assets or liabilities.
	The valuation techniques that may be used to measure fair value are as follows:
	A. Market approach — Uses prices and other relevant information generated by market transactions involving identical or comparable assets or liabilities.
	B. Income approach — Uses valuation techniques to convert future amounts to a single present amount based on current market expectations about those future amounts, including present value techniques, option-pricing models, and excess earnings method.
	C. Cost approach — Based on the amount that currently would be required to replace the service capacity of an asset (replacement cost).
	The following tables set forth the Company's financial instruments carried at fair value using the lowest level of input as of December 31, 2014 and 2013:
			31-Dec-14
			Quoted Prices in Active		Significant Other		Significant		Total
			Markets for Identical		Observable Inputs		Unobservable Inputs
			Items		(Level 2)		(Level 3)
			(Level 1)
	Assets:
	Money market funds		$	9,574	$	—	$	—	$	9,574
	Restricted cash			—		201		—		201
	Total assets		$	9,574	$	201	$	—	$	9,775
			31-Dec-13
			Quoted Prices in Active		Significant Other		Significant		Total
			Markets for Identical		Observable Inputs		Unobservable Inputs
			Items		(Level 2)		(Level 3)
			(Level 1)
	Assets:
	Money market funds		$	13,797	$	—	$	—	$	13,797
	Restricted cash			—		322		—		322
	Total assets		$	13,797	$	322	$	—	$	14,119
	Realized gains and losses from sales of the Company's investments are included in “Other expense, net”.
	The Company measures eligible assets and liabilities at fair value, with changes in value recognized in earnings. Fair value treatment may be elected either upon initial recognition of an eligible asset or liability or, for an existing asset or liability, if an event triggers a new basis of accounting. The Company did not elect to remeasure any of its existing financial assets or liabilities, and did not elect the fair value option for any financial assets and liabilities transacted in the years ended December 31, 2014 or 2013.

Commitments_and_Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2014
Commitments and Contingencies [Abstract]
Commitments and Contingencies	6. Commitments and Contingencies
	Operating Lease Commitments
	The Company leases its facilities under non-cancelable operating leases. These operating leases expire at various dates through March 2022. Future minimum rental commitments under operating leases at December 31, 2014 are as follows:
	Year Ending December 31,	Operating Lease Commitments
	2015	$	5,998
	2016		4,997
	2017		4,515
	2018		3,879
	2019		3,773
	2020 and thereafter		7,951
		$	31,113
	Certain amounts included in the table above relating to co-location leases for the Company's servers include usage based charges in addition to base rent.
	The Company's primary office lease has the option to renew the lease for two successive periods of five years each. In connection with the office lease, the Company entered into a letter of credit in the amount of $2,404.
	Certain of the Company's operating leases include escalating payment amounts and lease incentives. The Company is recognizing the related rent expense on a straight-line basis over the term of the lease. The lease incentives are considered an inseparable part of the lease agreement, and are recognized as a reduction of rent expense on a straight-line basis over the term of the lease. As of December 31, 2014 and 2013, the Company had deferred rent and rent incentives of $1,548 and $1,304, respectively, of which $1,483 and $1,261, respectively, is classified as a long-term liability in the accompanying consolidated balance sheets. Rent expense for the years ended December 31, 2014, 2013 and 2012 was $6,280, $5,328 and $4,197, respectively. Income from sublease rental activity amounted to $0, $0 and $88 , respectively, for the years ended December 31, 2014, 2013 and 2012.
	Capital Lease Commitments
	In connection with the Purchase Agreement, the Company assumed various capital lease arrangements for certain computer equipment for a total obligation of $2,899 as of the closing of the Acquisition. The lease arrangements expire at various dates through May 2017. Future minimum rental commitments under capital leases at December 31, 2014 are as follows:
	Year Ending December 31	Capital Lease
		Commitments
	2015	$	1,204
	2016		464
	2017		72
	Less – interest on capital leases		56
		$	1,684
	At December 31, 2014, total assets under capital leases were $2,664 and related accumulated amortization was $1,015.
	In addition to the operating lease and capital lease commitments discussed above, as of December 31, 2014, the Company had non-cancelable commitments of $9,071 payable in 2015, $8,000 payable in 2016, and $8,000 payable in 2017 primarily for content delivery network and storage services.
	Legal Matters
	The Company, from time to time, is party to litigation arising in the ordinary course of business. Management does not believe that the outcome of these claims will have a material adverse effect on the consolidated financial position, results of operations or cash flows of the Company based on the status of proceedings at this time.
	On August 27, 2012, a complaint was filed by Blue Spike, LLC naming the Company in a patent infringement case (Blue Spike, LLC v. Audible Magic Corporation, et al., United States District Court for the Eastern District of Texas). The complaint alleges that the Company has infringed U.S. Patent No. 7,346,472 with a listed issue date of March 18, 2008, entitled “Method and Device for Monitoring and Analyzing Signals,” U.S. Patent No. 7,660,700 with a listed issue date of February 9, 2010, entitled “Method and Device for Monitoring and Analyzing Signals,” U.S. Patent No. 7,949,494 with a listed issue date of May 24, 2011, entitled “Method and Device for Monitoring and Analyzing Signals” and U.S. Patent No. 8,214,175 with a listed issue date of July 3, 2012, entitled “Method and Device for Monitoring and Analyzing Signals.” The complaint seeks an injunction enjoining infringement, damages and pre- and post-judgment costs and interest. The Company answered and filed counterclaims against Blue Spike on December 3, 2012. The Company amended its answer and counterclaims on July 15, 2013. This complaint is subject to indemnification by one of the Company's vendors. The Company cannot yet determine whether it is probable that a loss will be incurred in connection with this complaint, nor can the Company reasonably estimate the potential loss, if any.
	On September 10, 2013, a complaint was filed by Cinsay Inc. naming the Company in a patent infringement case (Cinsay Inc. v. Brightcove Inc. and Joyus Inc., United States District Court for the Northern District of Texas). The complaint alleges that the Company has infringed U.S. Patent No. 8,312,486 with a listed issue date of November 13, 2012, entitled “Interactive Product Placement and Method Therefor” and U.S. Patent No. 8,533,753 with a listed issue date of September 10, 2013, entitled “Interactive Product Placement and Method Therefor.” On October 1, 2013, Cinsay filed an amended complaint against the Company in which it reasserted the allegations of infringement of U.S. Patent No. 8,312,486 and U.S. Patent No. 8,533,753 and added allegations that the Company infringed U.S. Patent No. 8,549,555 with a listed issue date of October 1, 2013, entitled “Interactive Product Placement and Method Therefor.” The amended complaint seeks an injunction enjoining infringement, damages and pre- and post-judgment costs and interest. The Company answered the amended complaint on November 12, 2013. The Company settled the matter on July 15, 2014 for an amount that is not material and, pursuant to the settlement, all claims against the Company were dismissed with prejudice on August 14, 2014. The Company recorded the impact of the settlement as a charge to operations in the consolidated statements of operations for the year ended December 31, 2014.
	Guarantees and Indemnification Obligations
	The Company typically enters into indemnification agreements in the ordinary course of business. Pursuant to these agreements, the Company indemnifies and agrees to reimburse the indemnified party for losses and costs incurred by the indemnified party, generally the Company's customers, in connection with patent, copyright, trade secret, or other intellectual property or personal right infringement claim by third parties with respect to the Company's technology. The term of these indemnification agreements is generally perpetual after execution of the agreement. Based on when customers first subscribe for the Company's service, the maximum potential amount of future payments the Company could be required to make under certain of these indemnification agreements is unlimited, however, more recently the Company has typically limited the maximum potential value of such potential future payments in relation to the value of the contract. Based on historical experience and information known as of December 31, 2014, the Company has not incurred any costs for the above guarantees and indemnities. The Company has received requests for indemnification from customers in connection with patent infringement suits brought against the customer by a third party. To date, the Company has not agreed that the requested indemnification is required by the Company's contract with any such customer.
	In certain circumstances, the Company warrants that its products and services will perform in all material respects in accordance with its standard published specification documentation in effect at the time of delivery of the licensed products and services to the customer for the warranty period of the product or service. To date, the Company has not incurred significant expense under its warranties and, as a result, the Company believes the estimated fair value of these agreements is immaterial.
	Beginning on September 18, 2014, the Company suffered a service disruption resulting from a distributed denial-of-service attack at third-party data center facilities used by the Company. By September 20, 2014, the Company had restored the services impacted by the attack. While this matter has resulted in the issuance of service credits by the Company to some customers, and may result in remediation expenses, litigation and other liabilities, this incident did not have a material impact on the Company's financial position, results of operations or cash flows as of and for the year ended December 31, 2014.

Stockholders_Equity

Stockholders' Equity	12 Months Ended
	Dec. 31, 2014
Stockholders' Equity [Abstract]
Stockholders' Equity	7. Stockholders' Equity
	On February 23, 2012, the Company closed its IPO in which the Company sold and issued 5,750,000 shares of common stock, including 750,000 shares of common stock sold pursuant to the exercise of the underwriters' option to purchase additional shares, which were sold to the public at a price of $11.00 per share. The Company received aggregate proceeds of approximately $58.8 million from the IPO, including the exercise of the underwriters' overallotment option, net of underwriters' discounts and commissions, but before deducting offering expenses of approximately $4.3 million. Upon the closing of the IPO, all shares of the Company's outstanding redeemable convertible preferred stock automatically converted into 16,150,505 shares of common stock and all outstanding warrants to purchase redeemable convertible preferred stock automatically converted into warrants to purchase 46,713 shares of common stock at $3.21 per share.
	Common Stock
	Common stockholders are entitled to one vote per share. Holders of common stock are entitled to receive dividends, when and if declared by the Board.
	Equity Incentive Plans
	At December 31, 2014, the Company had four stock-based compensation plans, the Amended and Restated 2004 Stock Option and Incentive Plan (the 2004 Plan), the 2012 Stock Incentive Plan (the 2012 Plan), the Brightcove Inc. 2012 RSU Inducement Plan (the RSU Plan), and the Brightcove Inc. 2014 Stock Option Inducement Plan (the 2014 Stock Inducement Plan). Additionally, during March 2009, Brightcove KK adopted the Brightcove KK Stock Option Plan (the Brightcove KK Plan). As discussed in Note 2, on January 8, 2013, in conjunction with the acquisition of the remaining 37% of Brightcove KK, the Brightcove KK Plan was terminated. The Brightcove KK Plan provided for the issuance of stock options to employees, officers, directors, and advisors of Brightcove KK and to employees of the Company. Stock options granted under the Brightcove KK Plan were not exchangeable for either options or shares of the Company.
	The 2004 Plan provided for the issuance of incentive and non-qualified stock options, restricted stock, and other equity awards to the Company's employees, officers, directors, consultants and advisors, up to an aggregate of 7,397,843 shares of the Company's common stock. The Company also established a UK Sub-Plan of the 2004 Plan under which the Company was permitted to make grants of options to employees subject to tax in the United Kingdom. In conjunction with the effectiveness of the 2012 Plan, the Board voted that no further stock options or other equity-based awards may be granted under the 2004 Plan.
	In 2012, the Board and stockholders adopted the 2012 Plan, which became effective on February 16, 2012. The 2012 Plan provides for the issuance of incentive and non-qualified stock options, restricted stock and other stock-based awards to the Company's officers, employees, non-employee directors and certain other key persons of the Company as are selected by the Board or the compensation committee thereof. In connection with the approval of the 2012 Plan, the Company reserved 1,700,000 shares of common stock for issuance under the 2012 Plan, and 124,703 shares were transferred from the 2004 Plan. The number of shares reserved and available for issuance under the 2012 Plan automatically increases each January 1, beginning in 2013, by 4% of the outstanding number of shares of the Company's common stock on the immediately preceding December 31 or such lesser number of shares as determined by the Company's compensation committee subject to an overall overhang limit of 30%. This number is subject to adjustment in the event of a stock split, stock dividend or other change in the Company's capitalization. At December 31, 2014, 1,215,170 shares were available for issuance under all stock-based compensation plans.
	In 2012, the Company adopted the RSU Plan and made awards of restricted stock units pursuant to the RSU Plan to 15 new employees in connection with the acquisition of Zencoder. The awards of restricted stock units cover an aggregate of 77,100 shares of the Company's common stock and were made as a material inducement to the employees entering into employment with the Company in connection with the acquisition of Zencoder. The restricted stock units will be settled in shares of the Company's common stock upon vesting.
	In 2014, the Company adopted the 2014 Stock Inducement Plan and made awards of options pursuant to the 2014 Stock Inducement Plan to 61 new employees in connection with the Purchase Agreement. The awards of options cover an aggregate of 578,350 shares of the Company's common stock in the form of options to purchase shares of the Company's common stock as an inducement to the employees entering into employment with the Company in connection with the Purchase Agreement.
	The following is a summary of the stock option activity for all stock options plans (excluding the Brightcove KK Plan) during the year ended December 31, 2014:
			Shares			Weighted-Average Exercise			Weighted-Average Remaining Contractual Term		Aggregate Intrinsic Value(2)
						Price			(In Years)
	Outstanding at December 31, 2013			3,060,583		$	6.76
	Granted			2,080,148		$	8.07
	Exercised			-210,735		$	2.84				$	1,499
	Canceled			-852,922		$	9.67
	Outstanding at December 31, 2014			4,077,074		$	7.02			6.98	$	8,259
	Exercisable at December 31, 2014			2,001,911		$	5.5			5.14	$	6,630
	Vested and expected to vest at December 31, 2014(1)			3,518,464		$	6.85			6.68	$	7,745
		-1	This represents the number of vested options as of December 31, 2014 plus the number of unvested options expected to vest as of December 31, 2014, based on the unvested options outstanding at December 31, 2014 and adjusted for the estimated forfeiture rate.
		-2	The aggregate intrinsic value was calculated based on the positive difference between the estimated fair value of the Company's common stock on December 31, 2014 of $7.78 per share, or the date of exercise, as appropriate, and the exercise price of the underlying options.
	The aggregate intrinsic value for options exercised during the years ended December 31, 2013 and 2012 was $7,104 and $8,594, respectively.
	The Company has entered into restricted stock unit (RSU) agreements with certain of its employees pursuant to the 2012 Plan and the RSU Plan. Vesting occurs periodically at specified time intervals, ranging from three months to four years, and in specified percentages. Upon vesting, the holder will receive one share of the Company's common stock for each unit vested.
	The following table summarizes the RSU activity during the year ended December 31, 2014:
				Shares				Weighted
								Average
								Grant Date
								Fair Value
	Unvested by December 31, 2013			1,177,716			$	10.26
	Granted			346,000				6.05
	Vested and issued			(328,353	)			8.01
	Canceled			(279,905	)			9.89
	Unvested by December 31, 2014			915,458			$	8.61
	During the year ended December 31, 2010, the Company granted 156,292 shares of restricted common stock to an employee under the 2004 Plan. Under the terms of the agreement, the Company had a repurchase provision whereby the Company had the right to repurchase any unvested shares when/if the employee terminates, at a price equal to the original exercise price. Accordingly, the Company recorded the payment received for the purchase of the restricted shares as a liability at the time of purchase and subsequently, reclassified such amounts to additional paid-in capital upon vesting of the award. During the years ended December 31, 2013 and 2012, the Company reclassified $8 and $101, respectively, of this amount to additional-paid-in-capital upon vesting of a portion of this award. The award was fully vested as of December 31, 2014. The Company did not grant any shares of restricted common stock during the years ended December 31, 2014 or 2013.
	Warrants
	In September 2006, the Company issued fully vested warrants to purchase an aggregate of 46,713 shares of Series B Preferred Stock, at a purchase price of $3.21 per share, to two lenders in connection with a line of credit agreement. The warrants are exercisable at any time up until the expiration date of August 31, 2016. The fair value of the warrants was recorded as a discount on the related debt, and was amortized to interest expense over the life of the debt. The debt was fully repaid in March 2007. The warrant liability was reported at fair value until completion of the Company's IPO in February 2012, whereupon the warrants automatically converted into warrants to purchase shares of the Company's common stock. At the time of conversion of the warrants in connection with the Company's IPO, the fair value of the warrants was $395, which was reclassified as a component of additional paid-in capital.
	During 2012, 18,685 shares exercisable under the warrants were exercised pursuant to a net exercise provision, which resulted in the issuance of 15,781 common shares. There have been no additional exercises through December 31, 2014. For the year ended December 31, 2012, the Company recorded other expense of $28 in the accompanying consolidated statements of operations, related to the increase in the fair value of the warrants, which was determined utilizing the Black-Scholes option-pricing model.
	Common Stock Reserved for Future Issuance
	At December 31, 2014, the Company has reserved the following shares of common stock for future issuance:
			December 31, 2014
	Common stock options outstanding			4,077,074
	Restricted stock unit awards outstanding			915,458
	Shares available for issuance under all stock-based compensation plans			1,215,170
	Common Stock warrants			28,028
	Total shares of authorized common stock reserved for future issuance			6,235,730

Noncontrolling_Interest

Non-controlling Interest	12 Months Ended
	Dec. 31, 2014
Non-controlling Interest [Abstract]
Non-controlling Interest	8. Non-controlling Interest
	On May 30, 2008, the Company formed Brightcove KK, a wholly owned subsidiary of Brightcove Inc. On July 18, 2008, the Company entered into a joint venture agreement with J-Stream Inc. (J-Stream), Dentsu, Inc. (Dentsu), Cyber Communications, Inc. and Transcosmos Investments & Business Development, Inc. (collectively, the minority stockholders). The minority stockholders invested cash of approximately $4.8 million in Brightcove KK such that their cumulative ownership interest in the entity was 37%, while the Company retained a 63% ownership interest in the entity. The Company determined that it had a controlling interest and was the primary beneficiary of the entity. As such, the Company consolidated Brightcove KK for financial reporting purposes, and a non-controlling interest was recorded for the third parties' interest in the net assets and operations of Brightcove KK to the extent of the non-controlling partners' individual investments.
	On January 8, 2013, the Company acquired the remaining 37% interest in Brightcove KK and, as a result, Brightcove KK is now 100% owned by the Company. The purchase price of the remaining equity interest was approximately $1.1 million and was funded by cash on hand. The Company continues to consolidate Brightcove KK for financial reporting purposes, however, commencing on January 8, 2013, the Company no longer records a non-controlling interest in the consolidated financial statements. The purchase was accounted for as an equity transaction in accordance with ASC 810, Consolidation. Accordingly, the non-controlling interest in the consolidated subsidiary on the accompanying consolidated balance sheet was reduced to zero on the transaction date to reflect the Company's increased ownership percentage, with the excess of the non-controlling interest balance on the date of the acquisition over the $1.1 million purchase price recorded as additional-paid-in-capital.
	Non-controlling interest represents the minority shareholders' proportionate share of the Company's majority owned subsidiary, Brightcove KK. The following table sets forth the changes in non-controlling interest for the year ended December 31, 2013:
		Year Ended
		December 31,
		2013
	Balance at beginning of period	$	1,842
	Net income attributable to non-controlling interest in consolidated subsidiary		20
	Purchase of non-controlling interest in consolidated subsidiary		(1,862	)
	Balance at end of period	$	—

Related_Party_Transactions

Related Party Transactions	12 Months Ended
	Dec. 31, 2014
Related Party Transactions [Abstract]
Related Party Transactions	9. Related Party Transactions
	Two of the former non-controlling interest holders in Brightcove KK, J-Stream and Dentsu, acted as product distributors for the Company in Japan. As disclosed in Note 2 to the consolidated financial statements, on January 8, 2013, the Company acquired the remaining 37% interest in Brightcove KK and, as a result, Brightcove KK is now 100% owned by the Company. As such, J-Stream and Dentsu are not considered related parties effective January 8, 2013.
	At December 31, 2014 and 2013, the Company had no outstanding accounts receivable from related parties.
	For the years ended December 31, 2014, 2013 and 2012, the Company recorded revenue from related parties of:
			Year Ended December 31,
			2014		2013(1)		2012
	J-Stream		$	-	$	36	$	3,240
	Dentsu			-		6		276
	Total related party revenue		$	-	$	42	$	3,516
	The Company believes that all related party transactions have been negotiated at arm's length.
		-1	Represents related party revenue for the period from January 1, 2013 through January 7, 2013, which is the period prior to the Company's acquisition of the remaining 37% interest in Brightcove KK on January 8, 2013.

Income_Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2014
Income Taxes [Abstract]
Income Taxes	10. Income Taxes
	Income (loss) before the provision for income taxes consists of the following:
		Year Ended December 31,
		2014			2013			2012
	Domestic	$	-17,492		$	(10,740	)	$	(18,139	)
	Foreign		859			710			2,198
	Total	$	-16,633		$	(10,030	)	$	(15,941	)
	The provision for (benefit from) income taxes in the accompanying consolidated financial statements consists of the following:
		Year Ended December 31,
		2014			2013			2012
	Current provision:
	Federal	$	—		$	—		$	—
	State		41			22			16
	Foreign		219			128			95
	Total current		260			150			111
	Deferred (benefit):
	Federal		—			—			(2,937	)
	State		—			—			(470	)
	Foreign		—			62			(193	)
	Total deferred		—			62			(3,600	)
	Total provision (benefit)	$	260		$	212		$	(3,489	)
	A reconciliation of the U.S. federal statutory rate to the Company's effective tax rate is as follows:
		Year Ended December 31,
		2014			2013			2012
	Tax at statutory rates		-34	%		(34.0	)%		(34.0	)%
	State income taxes		-2			(3.3	)		(3.4	)
	Change in tax rate		-1.6			5			0.4
	Permanent differences		16.2			(11.7	)		9.6
	Foreign rate differential		-0.4			(0.4	)		0.3
	Research and development credits		-7.9			(9.5	)		—
	Change in valuation allowance		31.2			56			5.2
	Other, net		0.1			—			—
	Effective tax rate		1.6	%		2.1	%		(21.9	)%
	The approximate income tax effect of each type of temporary difference and carryforward as of December 31, 2014 and 2013 is as follows:
		As of December 31,
		2014				2013
	Net operating loss carry-forwards	$	42,633		$	30,763
	Tax credit carry-forwards		6,482			5,211
	Stock-based compensation		2,608			3,502
	Intangible assets		-6,600			(3,469	)
	Fixed assets		246			85
	Account receivable reserves		970			966
	Accrued compensation		1,463			53
	Capitalized research and development costs		—			47
	Capitalized start-up costs		420			481
	Other temporary differences		-334			1,121
	Deferred tax assets		47,888			38,760
	Valuation allowance		-47,779			(38,635	)
	Net deferred tax assets	$	109		$	125
	The Company is required to compute income tax expense in each jurisdiction in which it operates. This process requires the Company to project its current tax liability and estimate its deferred tax assets and liabilities, including net operating loss (NOL) and tax credit carry-forwards. In assessing the ability to realize the net deferred tax assets, management considers whether it is more likely than not that some portion or all of the net deferred tax assets will not be realized.
	Upon the closing of the Zencoder acquisition, the Company assumed $3.4 million of net deferred tax liabilities which created a future source of taxable income for which the Company's net deferred tax assets can be realized and as a result the Company reduced the valuation allowance by approximately $3.4 million during the year ended December 31, 2012. The Company has provided a valuation allowance against its remaining U.S. net deferred tax assets as of December 31, 2014 and 2013, as based upon the level of historical U.S. losses and future projections over the period in which the net deferred tax assets are deductible, at this time, management believes it is more likely than not that the Company will not realize the benefits of these deductible differences. The increase in the valuation allowance from 2013 to 2014 principally relates to the current year taxable loss.
	The Company has historically provided a valuation allowance against its net deferred tax assets in Japan. Based upon the level of historical income in Japan and future projections, the Company determined in the fourth quarter of 2012 that it was probable it will realize the benefits of its future deductible differences. As such, the Company released the valuation allowance related to the remaining deferred tax assets in Japan and recorded a $193 income tax benefit in the consolidated statement of operations for the year ended December 31, 2012. In 2014 a portion of the Company's profits in Japan were offset by losses in Japan. Accordingly, the Company's deferred tax asset in Japan decreased in 2014.
	As of December 31, 2014, the Company had federal and state net operating losses of approximately $132.6 million and $63.8 million, respectively, which are available to offset future taxable income, if any, through 2034. Included in the federal and state net operating losses are deductions attributable to excess tax benefits from the exercise of non-qualified stock options of $12.1 million and $7.7 million, respectively. The tax benefits attributable to these net operating losses are credited directly to additional paid-in capital when realized. The Company also had federal and state research and development tax credits of $4.6 million and $2.8 million, respectively, which expire in various amounts through 2034. The net operating loss and tax credit amounts are subject to annual limitations under Section 382 change of ownership rules under the U.S. Internal Revenue Code of 1986, as amended. Through June 30, 2014, the Company completed an assessment to determine whether there may have been a Section 382 ownership change and determined that it is more-likely-than-not that the Company's net operating and tax credit amounts as disclosed are not subject to any material Section 382 limitations.
	On January 1, 2009, the Company adopted the provision for uncertain tax positions under ASC 740, Income Taxes. The adoption did not have an impact on the Company's retained earnings balance. At December 31, 2014 and 2013, the Company had no recorded liabilities for uncertain tax positions.
	At December 31, 2014 and 2013, the Company had no accrued interest or penalties related to uncertain tax positions.
	The Company files income tax returns in the U.S. federal tax jurisdiction, various state and various foreign jurisdictions. Since the Company is in a loss carryforward position, the Company is generally subject to examination by the U.S. federal, state and local income tax authorities for all tax years in which a loss carryforward is available.
	The Company's current intention is to reinvest the total amount of its unremitted earnings in the local international tax jurisdiction or to repatriate the earnings only when tax effective. As such, the Company has not provided for U.S. taxes on the unremitted earnings of its international subsidiaries. Upon repatriation of those earnings, in the form of dividends or otherwise, the Company may be subject to U.S. income taxes (subject to an adjustment for foreign tax credits) and withholding taxes payable to the various foreign countries. Determination of the amount of the unrecognized deferred U.S. income tax liability is not practical due to the complexity associated with this hypothetical calculation.

Debt

Debt	12 Months Ended
	Dec. 31, 2014
Debt [Abstract]
Debt	11. Debt
	On March 31, 2011, the Company entered into a loan and security agreement with a lender (the “Loan Agreement”) providing for up to an $8.0 million asset based line of credit (the “Line of Credit”). Under the Line of Credit, the Company can borrow up to the lesser of (i) $8.0 million or (ii) 80% of the Company's eligible accounts receivable. Borrowing availability under the Line of Credit changes based upon the amount of eligible receivables, concentration of eligible receivables and other factors. The Company has the ability to obtain letters of credit. Borrowings under the Line of Credit are secured by substantially all of the Company's assets. Outstanding amounts under the Line of Credit accrue interest at a rate equal to the prime rate plus 1.5%. Advances under the Line of Credit were due on March 31, 2013, and interest and related finance charges are payable monthly. On April 29, 2013, the Company amended the Line of Credit to increase the aggregate amount of borrowings that may be outstanding under the Company's asset-based line of credit from $8.0 million to $10.0 million and to extend the maturity date to March 30, 2015. At December 31, 2014 and 2013, the Company had no amounts outstanding under the Line of Credit.
	On October 3, 2014, the Company amended the Line of Credit and entered into the Third Loan Modification Agreement (the “Modification Agreement”) to (i) increase the aggregate amount of borrowings that may be outstanding under the Company's Line of Credit from $10.0 million to $20.0 million, (ii) increase the aggregate Facility Amount (as defined in the Loan Agreement) available pursuant to the Loan Agreement from $12.5 million to $25.0 million, (iii) provide for an unused line fee of 0.25% of the average unused portion of the Maximum Availability Amount (as defined in the Loan Agreement) per year and (iv) extend the maturity date to October 3, 2016. The interest rate decreased from the prime rate plus 1.5% to the prime rate plus 0.75%. At December 31, 2014 and 2013, the Company had no amounts outstanding under the Line of Credit.
	Under the Modification Agreement, the Company must comply with certain financial covenants, including maintaining a minimum asset coverage ratio, a minimum net income threshold based on non-GAAP operating measures and a minimum net cash balance at certain points throughout the year. The interest rate will increase to the prime rate plus 2.25% if the Company is not able to meet the minimum asset coverage ratio. Failure to comply with these covenants, or the occurrence of an event of default, could permit the Lenders under the Line of Credit to declare all amounts borrowed under the Line of Credit, together with accrued interest and fees, to be immediately due and payable. In addition, the Line of Credit is secured by substantially all of our assets and places limits on the Company and its subsidiaries ability to incur debt or liens and engage in sale-leaseback transactions, make loans and investments, incur additional indebtedness, engage in mergers, acquisitions and asset sales, transact with affiliates and alter its business. The Company was in compliance with all covenants under the Line of Credit as of December 31, 2014.

Accrued_Expenses

Accrued Expenses	12 Months Ended
	Dec. 31, 2014
Accrued Expenses [Abstract]
Accrued Expenses	12. Accrued Expenses
	Accrued expenses consist of the following:
			December 31,
			2014		2013
	Accrued payroll and related benefits		$	5,479	$	7,607
	Accrued sales and other taxes			1,766		1,367
	Accrued professional fees and outside contractors			1,093		1,564
	Accrued content delivery			2,232		2,313
	Accrued other liabilities			1,152		1,677
	Total	$		11,722	$	14,528

Segment_Information

Segment Information	12 Months Ended
	Dec. 31, 2014
Segment Information [Abstract]
Segment Information	13. Segment Information
	Disclosure requirements about segments of an enterprise and related information establishes standards for reporting information regarding operating segments in annual financial statements and requires selected information of those segments to be presented in interim financial reports issued to stockholders. Operating segments are identified as components of an enterprise about which separate discrete financial information is available for evaluation by the chief operating decision-maker, or decision-making group, in making decisions on how to allocate resources and assess performance. The Company's chief decision maker is its chief executive officer. The Company and the chief decision maker view the Company's operations and manage its business as one operating segment.
	Geographic Data
	Total revenue to unaffiliated customers by geographic area, based on the location of the customer, was as follows:
		Year Ended December 31,
		2014		2013		2012
	Revenue:
	North America	$	75,419	$	65,336	$	55,836
	Europe		30,624		27,180		20,314
	Japan		7,902		6,497		5,949
	Asia Pacific		10,109		10,095		5,174
	Other		963		787		700
	Total revenue	$	125,017	$	109,895	$	87,973
	North America is comprised of revenue from the United States, Canada and Mexico. During the years ended December 31, 2014, 2013 and 2012, revenue from customers located in the United States was $69,778, $60,195 and $51,695, respectively. During the years ended December 31, 2014, 2013 and 2012, no other country contributed more than 10% of the Company's total revenue.
	As of December 31, 2014 and 2013, property and equipment at locations outside the United States was not material.

401k_Savings_Plan

401(k) Savings Plan	12 Months Ended
	Dec. 31, 2014
401(k) Savings Plan [Abstract]
401(k) Savings Plan	14. 401(k) Savings Plan
	The Company maintains a defined contribution savings plan covering all eligible U.S. employees under Section 401(k) of the Internal Revenue Code. Company contributions to the plan may be made at the discretion of the Board. As of December 31, 2014, the Company has made $199,000 in contributions to the plan.

Quarterly_Financial_Data

Quarterly Financial Data	12 Months Ended
	Dec. 31, 2014
Quarterly Financial Data [Abstract]
Quarterly Financial Data	15. Quarterly Financial Data (unaudited)
		For the three months ended:
		Dec. 31, 2014			Sept. 30, 2014			June 30, 2014			March 31, 2014			Dec. 31, 2013			Sept. 30, 2013			June 30, 2013			March 31, 2013
	Revenue	$	31,382		$	31,527		$	31,003		$	31,105		$	29,746		$	28,527		$	26,901		$	24,721
	Gross profit		20,159			20,708			20,579			19,838			19,790			19,279			17,729			16,307
	Loss from operations		(3,448	)		(3,110	)		(3,977	)		(4,658	)		(1,003	)		(1,317	)		(3,302	)		(3,872	)
	Net loss attributable to Brightcove Inc.		(3,924	)		(3,805	)		(4,327	)		(4,837	)		(1,243	)		(1,268	)		(3,522	)		(4,229	)
	Basic and diluted net loss per share	$	(0.12	)	$	(0.12	)	$	(0.13	)	$	(0.16	)	$	(0.04	)	$	(0.04	)	$	(0.12	)	$	(0.15	)

Summary_of_Significant_Account1

Summary of Significant Accounting Policies (Policy)	12 Months Ended
	Dec. 31, 2014
Summary of Significant Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation
	The accompanying consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP). Any reference in these notes to applicable guidance is meant to refer to the authoritative United States generally accepted accounting principles as found in the Accounting Standards Codification (ASC) and Accounting Standards Update (ASU) of the Financial Accounting Standards Board (FASB).
Use of Estimates and Uncertainties	Use of Estimates and Uncertainties
	The preparation of financial statements in conformity with generally accepted accounting principles in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts expensed during the reporting period. Actual results could differ from those estimates.
	Significant estimates relied upon in preparing these consolidated financial statements include revenue recognition and revenue reserves, allowances for doubtful accounts, contingent liabilities, the expensing and capitalization of research and development costs for internal-use software, intangible asset valuations, amortization periods, expected future cash flows used to evaluate the recoverability of long-lived assets, the determination of the fair value of stock awards issued, stock-based compensation expense, and the recoverability of the Company's net deferred tax assets and related valuation allowance.
	Although the Company regularly assesses these estimates, actual results could differ materially from these estimates. Changes in estimates are recorded in the period in which they become known. The Company bases its estimates on historical experience and various other assumptions that it believes to be reasonable under the circumstances. Actual results may differ from management's estimates if these results differ from historical experience, or other assumptions do not turn out to be substantially accurate, even if such assumptions are reasonable when made.
	The Company is subject to a number of risks and uncertainties common to companies in similar industries and stages of development including, but not limited to, rapid technological changes, competition from substitute products and services from larger companies, customer concentration, management of international activities, protection of proprietary rights, patent litigation, and dependence on key individuals.
Principles of Consolidation	Principles of Consolidation
	The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries and non-controlling interest. All significant intercompany balances and transactions have been eliminated in consolidation.
	Non-controlling interest in 2012 represents the minority stockholders' proportionate share (37%) of the Company's majority-owned subsidiary, Brightcove KK, a Japanese joint venture, which was formed on July 18, 2008. The portion of net income attributable to non-controlling interest prior to the remaining acquisition in 2013 is presented as net income attributable to non-controlling interest in consolidated subsidiary in the consolidated statements of operations, and the portion of other comprehensive loss of this subsidiary is presented in the consolidated statements of redeemable convertible preferred stock and stockholders' equity (deficit) and statements of comprehensive loss. See Note 8 for further discussion.
	On January 8, 2013, the Company acquired the remaining 37% interest in Brightcove KK. The purchase price of the remaining interest of Brightcove KK was approximately $1.1 million and was funded by cash on hand. The Company owned a 63% interest in the Brightcove KK joint venture since its formation in 2008. Brightcove KK is now 100% owned by the Company. The purchase was accounted for as an equity transaction and, as such, the Company has continued to consolidate Brightcove KK for financial reporting purposes; however, commencing on January 8, 2013, the Company no longer records non-controlling interest in its consolidated financial statements.
Subsequent Events Considerations	Subsequent Events Considerations
	The Company considers events or transactions that occur after the balance sheet date but prior to the issuance of the financial statements to provide additional evidence for certain estimates or to identify matters that require additional disclosure. Subsequent events have been evaluated as required. The Company has evaluated all subsequent events and determined that there are no material recognized or unrecognized subsequent events.
Foreign Currency Translation	Foreign Currency Translation
	The reporting currency of the Company is the U.S. dollar. The functional currency of the Company's foreign subsidiaries is the local currency of each subsidiary. All assets and liabilities in the balance sheets of entities whose functional currency is a currency other than the U.S. dollar are translated into U.S. dollar equivalents at exchange rates as follows: (1) asset and liability accounts at period-end rates, (2) income statement accounts at weighted-average exchange rates for the period, and (3) stockholders' equity accounts at historical exchange rates. The resulting translation adjustments are excluded from income (loss) and reflected as a separate component of stockholders' equity. Foreign currency transaction gains and losses are included in net loss for the period. The Company may periodically have certain intercompany foreign currency transactions that are deemed to be of a long-term investment nature; exchange adjustments related to those transactions are made directly to a separate component of stockholders' equity.
Cash, Cash Equivalents and Investments	Cash, Cash Equivalents and Investments
	The Company considers all highly liquid investments with an original maturity of three months or less at the date of purchase to be cash equivalents. Investments not classified as cash equivalents with maturities less than one year from the balance sheet date are classified as short-term investments, while investments with maturities in excess of one year from the balance sheet date are classified as long-term investments. Management determines the appropriate classification of investments at the time of purchase, and re-evaluates such determination at each balance sheet date.
	Cash and cash equivalents primarily consist of cash on deposit with banks and amounts held in interest-bearing money market accounts. Cash equivalents are carried at cost, which approximates their fair market value. Investments primarily consist of certificates of deposit, commercial paper and corporate debentures. At December 31, 2013, the Company classified its investments as held-to-maturity as it was the Company's intention to hold such investments until they mature. As such, investments are recorded at amortized cost at December 31, 2013.
	Cash and cash equivalents as of December 31, 2014 consist of the following:
		31-Dec-14
	Description	Contracted Maturity				Amortized Cost				Fair Market						Balance Per
										Value						Balance Sheet
	Cash		Demand			$	13,342			$	13,342			$	13,342
	Money market funds		Demand				9,574				9,574				9,574
	Total cash and cash equivalents					$	22,916			$	22,916			$	22,916
	Cash, cash equivalents and investments as of December 31, 2013 consist of the following:
		31-Dec-13
	Description	Contracted Maturity				Amortized Cost				Fair Market					Balance Per
										Value					Balance Sheet
	Cash		Demand			$	19,250			$	19,250			$	19,250
	Money market funds		Demand				13,797				13,797				13,797
	Total cash and cash equivalents					$	33,047			$	33,047			$	33,047
	Certificates of deposit		110 - 163 days			$	960			$	961			$	960
	Corporate debentures		23 - 96 days				2,101				2,102				2,101
	Total short-term investments					$	3,061			$	3,063			$	3,061
Restricted Cash	Restricted Cash
	At December 31, 2014 and 2013, restricted cash was $201,000  and $322,000, respectively, and was held in certificates of deposit as collateral for letters of credit related to the contractual provisions of the Company's corporate credit cards.and the contractual provisions with a customer.
Disclosure of Fair Value of Financial Instruments	Disclosure of Fair Value of Financial Instruments
	The carrying amounts of the Company's financial instruments, which include cash, cash equivalents, accounts receivable, accounts payable and accrued expenses, approximated their fair values at December 31, 2014 and 2013, due to the short-term nature of these instruments. See Note 5 for discussion on the determination of the fair value of the Company's long-term investments.
	The Company has evaluated the estimated fair value of financial instruments using available market information and management's estimates. The use of different market assumptions and/or estimation methodologies could have a significant impact on the estimated fair value amounts. See Note 5 for further discussion.
Revenue Recognition	Revenue Recognition
	The Company primarily derives revenue from the sale of its online video platform, which enables its customers to publish and distribute video to Internet-connected devices quickly, easily and in a cost-effective and high-quality manner. Revenue is derived from three primary sources: (1) the subscription to its technology and related support; (2) hosting, bandwidth and encoding services; and (3) professional services, which include initiation, set-up and customization services.
	The Company recognizes revenue when all of the following conditions are satisfied: (1) there is persuasive evidence of an arrangement; (2) the service has been provided to the customer; (3) the collection of fees is probable; and (4) the amount of fees to be paid by the customer is fixed or determinable.
	The Company's subscription arrangements provide customers the right to access its hosted software applications. Customers do not have the right to take possession of the Company's software during the hosting arrangement. Accordingly, the Company recognizes revenue in accordance with ASC 605, Revenue Recognition. Contracts for premium customers generally have a term of one year and are non-cancellable. These contracts generally provide the customer with a maximum annual level of usage, and provide the rate at which the customer must pay for actual usage above the annual allowable usage. For these services, the Company recognizes the annual fee ratably as revenue each month. Should a customer's usage of the Company's services exceed the annual allowable level, revenue is recognized for such excess in the period of the usage. Contracts for volume customers are generally month-to-month arrangements, have a maximum monthly level of usage and provide the rate at which the customer must pay for actual usage above the monthly allowable usage. The monthly volume subscription and support and usage fees are recognized as revenue during the period in which the related cash is collected.
	Revenue recognition commences upon the later of when the application is placed in a production environment, or when all revenue recognition criteria have been met.
	Professional services and other revenue sold on a stand-alone basis are recognized as the services are performed, subject to any refund or other obligation.
	Deferred revenue includes amounts billed to customers for which revenue has not been recognized, and primarily consists of the unearned portion of annual software subscription and support fees, and deferred professional service fees.
	Revenue is presented net of any taxes collected from customers.
	Multiple-Element Arrangements
	The Company periodically enters into multiple-element service arrangements that include platform subscription fees, support fees, initiation fees, and, in certain cases, other professional services.
	The Company assesses arrangements with multiple deliverables under ASU No. 2009-13, Revenue Recognition (Topic 605), Multiple-Deliverable Revenue Arrangements — a Consensus of the FASB Emerging Issues Task Force, which amended the previous multiple-element arrangements accounting guidance. Pursuant to ASU 2009-13, objective and reliable evidence of fair value of the undelivered elements is no longer required in order to account for deliverables in a multiple-element arrangement separately. Instead, arrangement consideration is allocated to deliverables based on their relative selling price. The new guidance also eliminates the use of the residual method.
	In order to treat deliverables in a multiple-element arrangement as separate units of accounting, the deliverables must have stand-alone value upon delivery. If the deliverables have stand-alone value upon delivery, the Company accounts for each deliverable separately. Subscription services have stand-alone value as such services are often sold separately. In determining whether professional services have stand-alone value, the Company considers the following factors for each professional services agreement: availability of the services from other vendors, the nature of the professional services, the timing of when the professional services contract was signed in comparison to the subscription service start date, and the contractual dependence of the subscription service on the customer's satisfaction with the professional services work. To date, the Company has concluded that all of the professional services included in multiple-element arrangements executed have stand-alone value, with the exception of initiation and activation fees.
	When multiple deliverables included in an arrangement are separated into different units of accounting, the arrangement consideration is allocated to the identified separate units based on a relative selling price hierarchy. The Company determines the relative selling price for a deliverable based on its vendor-specific objective evidence of fair value (VSOE), if available, or its best estimate of selling price (BESP), if VSOE is not available. The Company has determined that third-party evidence of selling price (TPE) is not a practical alternative due to differences in its service offerings compared to other parties and the availability of relevant third-party pricing information. The amount of revenue allocated to delivered items is limited by contingent revenue, if any.
	The Company has not established VSOE for its offerings due to the lack of pricing consistency, the introduction of new services and other factors. Accordingly, the Company uses its BESP to determine the relative selling price. The Company determines BESP by considering its overall pricing objectives and market conditions. Significant pricing practices taken into consideration include the Company's discounting practices, the size and volume of the Company's transactions, the geographic area where services are sold, price lists, historical contractually stated prices and prior relationships and future subscription service sales with certain classes of customers.
	The determination of BESP is made through consultation with and approval by the Company's management, taking into consideration the go-to-market strategy. As the Company's go-to-market strategies evolve, the Company may modify its pricing practices in the future, which could result in changes in selling prices, including both VSOE and BESP. The Company plans to analyze the selling prices used in its allocation of arrangement consideration, at a minimum, on an annual basis. Selling prices will be analyzed on a more frequent basis if a significant change in the Company's business necessitates a more timely analysis or if the Company experiences significant variances in its selling prices.
Cost of Revenue	Cost of Revenue
	Cost of revenue primarily consists of costs related to supporting and hosting the Company's product offerings and delivering professional services. These costs include salaries, benefits, incentive compensation and stock-based compensation expense related to the management of the Company's data centers, customer support team and the Company's professional services staff, in addition to third-party service provider costs such as data center and networking expenses, allocated overhead, amortization of capitalized internal-use software development costs and intangible assets and depreciation expense.
Allowance for Doubtful Accounts	Allowance for Doubtful Accounts
	The Company offsets gross trade accounts receivable with an allowance for doubtful accounts. The allowance for doubtful accounts is the Company's best estimate of the amount of probable credit losses in the Company's existing accounts receivable and is based upon historical loss patterns, the number of days that billings are past due, and an evaluation of the potential risk of loss associated with specific accounts. Account balances are charged against the allowance after all means of collection have been exhausted and the potential for recovery is considered remote. Provisions for allowances for doubtful accounts are recorded in general and administrative expense.
	Below is a summary of the changes in the Company's allowance for doubtful accounts for the years ended December 31, 2014, 2013 and 2012:
		Balance at Beginning of Period			Provision			Write-offs				Balance at
												End of Period
	Year ended December 31, 2014	$	461		$	118		$	(398	)		$	181
	Year ended December 31, 2013		338			449			(326	)			461
	Year ended December 31, 2012		266			137			(65	)			338
Off-Balance Sheet Risk and Concentration of Credit Risk	Off-Balance Sheet Risk and Concentration of Credit Risk
	The Company has no significant off-balance sheet risk, such as foreign exchange contracts, option contracts, or other foreign hedging arrangements. Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash, cash equivalents, investments and trade accounts receivable. The Company maintains its cash and cash equivalents and investments principally with accredited financial institutions of high credit standing. Although the Company deposits its cash with multiple financial institutions, its deposits, at times, may exceed federally insured limits. The Company routinely assesses the creditworthiness of its customers. The Company generally has not experienced any material losses related to receivables from individual customers, or groups of customers. The Company does not require collateral. Due to these factors, no additional credit risk beyond amounts provided for collection losses is believed by management to be probable in the Company's accounts receivable.
	For the years ended December 31, 2014, 2013 and 2012, no individual customer accounted for more than 10% of total revenue.
	As of December 31, 2014 and 2013, no individual customer accounted for more than 10% of net accounts receivable.
Concentration of Other Risks	Concentration of Other Risks
	The Company is dependent on certain content delivery network providers who provide digital media delivery functionality enabling the Company's on-demand application service to function as intended for the Company's customers and ultimate end-users. The disruption of these services could have a material adverse effect on the Company's business, financial position, and results of operations.
Software Development Costs	Software Development Costs
	Costs incurred to develop software applications used in the Company's on-demand application services consist of (a) certain external direct costs of materials and services incurred in developing or obtaining internal-use computer software, and (b) payroll and payroll-related costs for employees who are directly associated with, and who devote time to, the project. These costs generally consist of internal labor during configuration, coding, and testing activities. Research and development costs incurred during the preliminary project stage or costs incurred for data conversion activities, training, maintenance and general and administrative or overhead costs are expensed as incurred. Capitalization begins when the preliminary project stage is complete, management, with the relevant authority, authorizes and commits to the funding of the software project, it is probable the project will be completed, the software will be used to perform the functions intended and certain functional and quality standards have been met. Qualified costs incurred during the operating stage of the Company's software applications relating to upgrades and enhancements are capitalized to the extent it is probable that they will result in added functionality, while costs that cannot be separated between maintenance of, and minor upgrades and enhancements to, internal-use software are expensed as incurred. These capitalized costs are amortized on a straight-line basis over the expected useful life of the software, which is estimated to be three years. Capitalized internal-use software development costs are classified as “Software” within “Property and Equipment, net” in the accompanying consolidated balance sheets.
	During the years ended December 31, 2014, 2013 and 2012, the Company capitalized $474, $1,065 and $24, respectively, of internal-use software development costs. The Company recorded amortization expense associated with its capitalized internal-use software development costs of $397, $312 and $542 for the years ended December 31, 2014, 2013 and 2012, respectively.
	In addition to the software development costs described above, the Company incurs costs to develop computer software to be licensed or otherwise marketed to customers. Costs incurred in the research, design and development of software for sale to others are charged to expense until technological feasibility is established. The Company capitalizes eligible computer software development costs upon achievement of technological feasibility subject to net realizable value considerations. Thereafter, software development costs are capitalized until the product is released and amortized to product cost of sales on a straight-line basis over the lesser of three years or the estimated economic lives of the respective products. The Company has determined that technological feasibility is established at the time a working model of software is completed. Because the Company believes its current process for developing software will be essentially completed concurrently with the establishment of technological feasibility, no costs have been capitalized to date.
Property and Equipment	Property and Equipment
	Property and equipment are recorded at cost and depreciated over their estimated useful lives using the straight-line method. Leasehold improvements are amortized over the shorter of the lease term or the estimated useful life of the related asset. Upon retirement or sale, the cost of assets disposed of, and the related accumulated depreciation, are removed from the accounts, and any resulting gain or loss is included in the determination of net income or loss in the period of retirement.
	Property and equipment consists of the following:
		Estimated Useful Life (in Years)				December 31,
						2014				2013
	Computer equipment		3			$	19,815			$	14,275
	Software		3 - 6				9,245				8,473
	Furniture and fixtures		5				1,827				1,721
	Leasehold improvements		Shorter of lease term or the estimated				929				737
			useful life
							31,816				25,206
	Less accumulated depreciation and amortization						21,444				16,411
						$	10,372			$	8,795
	Depreciation and amortization expense, which includes amortization expense associated with capitalized internal-use software development costs, for the years ended December 31, 2014, 2013 and 2012 was $5,388, $4,148 and $4,022, respectively.
	Expenditures for maintenance and repairs are charged to expense as incurred, whereas major improvements are capitalized as additions to property and equipment.
Long-Lived Assets	Long-Lived Assets
	The Company reviews long-lived assets and certain identifiable intangible assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. During this review, the Company re-evaluates the significant assumptions used in determining the original cost and estimated lives of long-lived assets. Although the assumptions may vary from asset to asset, they generally include operating results, changes in the use of the asset, cash flows, and other indicators of value. Management then determines whether the remaining useful life continues to be appropriate, or whether there has been an impairment of long-lived assets based primarily upon whether expected future undiscounted cash flows are sufficient to support the assets' recovery. If impairment exists, the Company adjusts the carrying value of the asset to fair value, generally determined by a discounted cash flow analysis.
	For the years ended December 31, 2014, 2013 and 2012, the Company has not identified any impairment of its long-lived assets.
Business Combinations	Business Combinations
	The Company records tangible and intangible assets acquired and liabilities assumed in business combinations under the purchase method of accounting. Amounts paid for each acquisition are allocated to the assets acquired and liabilities assumed based on their fair values at the date of acquisition. The Company then allocates the purchase price in excess of net tangible assets acquired to identifiable intangible assets based on detailed valuations that use information and assumptions provided by management. Any excess purchase price over the fair value of the net tangible and intangible assets acquired and liabilities assumed is allocated to goodwill. If the fair value of the assets acquired exceeds our purchase price, the excess is recognized as a gain.
	Significant management judgments and assumptions are required in determining the fair value of acquired assets and liabilities, particularly acquired intangible assets. The valuation of purchased intangible assets is based upon estimates of the future performance and cash flows from the acquired business. Each asset is measured at fair value from the perspective of a market participant.
	If different assumptions are used, it could materially impact the purchase price allocation and adversely affect our results of operations, financial condition and cash flows.
Intangible Assets and Goodwill	Intangible Assets and Goodwill
	Intangible assets that have finite lives are amortized over their useful lives based on the pattern of consumption of the economic benefit or, if that pattern cannot be readily determined, on a straight-line basis and are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, as discussed above.
	Goodwill is not amortized, but is evaluated for impairment annually, or whenever events or changes in circumstances indicate that the carrying value may not be recoverable.
	In assessing the recoverability of goodwill, the Company must make assumptions regarding the estimated future cash flows, and other factors, to determine the fair value of these assets. If these estimates or their related assumptions change in the future, the Company may be required to record impairment charges against these assets in the reporting period in which the impairment is determined. The Company has determined, based on its organizational structure, that it had one reporting unit as of December 31, 2014 and 2013.
	For goodwill, the impairment evaluation includes a comparison of the carrying value of the reporting unit to the fair value of the reporting unit. If the reporting unit's estimated fair value exceeds the reporting unit's carrying value, no impairment of goodwill exists. If the fair value of the reporting unit does not exceed its carrying value, then further analysis would be required to determine the amount of the impairment, if any.
	In accordance with ASU No. 2011-08, Intangibles — Goodwill and Other (Topic 350) Testing Goodwill for Impairment, the Company has the option to assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount to determine whether further impairment testing is necessary. Based on the results of the qualitative review of goodwill performed as of December 31, 2014 and 2013, the Company did not identify any indicators of impairment. As such, the two-phase process described above was not necessary.
Comprehensive Income (Loss)	Comprehensive Income (Loss)
	Comprehensive income (loss) is defined as the change in equity of a business enterprise during a period from transactions, other events, and circumstances from non-owner sources. Accumulated other comprehensive loss is presented separately on the consolidated balance sheets and consists entirely of cumulative foreign translation adjustments as of December 31, 2014 and 2013.
Net Loss per Share	Net Loss per Share
	The Company calculates basic and diluted net loss per common share by dividing the net loss attributable to common stockholders by the weighted-average number of common shares outstanding during the period. The Company has excluded (a) all unvested restricted shares that are subject to repurchase and (b) the Company's other potentially dilutive shares, which include redeemable convertible preferred stock in 2012, warrants to purchase redeemable convertible preferred stock in 2012, warrants to purchase common stock and outstanding common stock options, from the weighted-average number of common shares outstanding as their inclusion in the computation for all periods would be anti-dilutive due to net losses incurred. The Company's redeemable convertible preferred stock were deemed to be participating securities as defined by ASC 260-10, Earnings Per Share, but were excluded from the earnings per share calculation as they do not have an obligation to share in the Company's net losses.
	A reconciliation of the number of shares used in the calculation of basic and diluted net loss per share is as follows:
		Year Ended December 31,
		2014				2013				2012
		(in thousands, except per share data)
	Computation of basic and diluted net loss per share:
	Net loss attributable to common stockholders	$	(16,893	)		$	(10,262	)		$	(13,919	)
	Weighted-average shares of common stock outstanding		31,949				28,351				24,662
	Less: weighted-average number of unvested restricted common shares outstanding		—				—				36
	Weighted-average number of common shares used in calculating net loss per common share		31,949				28,351				24,626
	Net loss per share applicable to common stockholders	$	(0.53	)		$	(0.36	)		$	(0.57	)
	The following potentially dilutive common shares have been excluded from the computation of weighted-average shares outstanding as of December 31, 2014, 2013 and 2012, as their effect would have been antidilutive:
		Year Ended December 31,
		2014				2013				2012
		(in thousands)
	Redeemable convertible preferred stock		—				—				2,162
	Options outstanding		3,805				3,331				3,894
	Restricted stock units outstanding		990				1,398				384
	Unvested restricted shares		—				—				36
	Warrants		28				28				34
Income Taxes	Income Taxes
	The Company accounts for income taxes in accordance with the asset and liability method. Under this method, deferred tax assets and liabilities are recognized based on temporary differences between the financial reporting and income tax bases of assets and liabilities using statutory rates. In addition, this method requires a valuation allowance against net deferred tax assets if, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.
	The Company accounts for uncertain tax positions recognized in the consolidated financial statements by prescribing a more-likely-than-not threshold for financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. Interest and penalties, if applicable, related to uncertain tax positions would be recognized as a component of income tax expense. The Company has no recorded liabilities for uncertain tax positions as of December 31, 2014 or 2013.
Stock-Based Compensation	Stock-Based Compensation
	At December 31, 2014, the Company had four stock-based compensation plans: the Amended and Restated 2004 Stock Option and Incentive Plan, the 2012 Stock Incentive Plan, the Brightcove Inc. 2012 RSU Inducement Plan, and the Brightcove Inc. 2014 Stock Option Inducement Plan. Additionally, during March 2009, Brightcove KK adopted the Brightcove KK Stock Option Plan. On January 8, 2013, in conjunction with the acquisition of the remaining 37% of Brightcove KK, the Brightcove KK Stock Option Plan was terminated. These plans are more fully described in Note 7.
	For stock options issued under the Company's stock-based compensation plans, the fair value of each option grant is estimated on the date of grant, and an estimated forfeiture rate is used when calculating stock-based compensation expense for the period. For restricted stock awards issued under the Company's stock-based compensation plans, the fair value of each grant is calculated based on the Company's stock price on the date of grant. For service-based options, the Company recognizes compensation expense on a straight-line basis over the requisite service period of the award.
	The fair value of each option grant issued under the Company's stock-based compensation plans was estimated using the Black-Scholes option-pricing model. As there was no public market for its common stock prior to February 17, 2012, the effective date of the Company's IPO, and as the trading history of the Company's common stock was limited through December 31, 2014, the Company determined the volatility for options granted based on an analysis of reported data for a peer group of companies that issued options with substantially similar terms. The expected volatility of options granted has been determined using an average of the historical volatility measures of this peer group of companies. The expected life of options has been determined utilizing the “simplified method”. The simplified method is based on the average of the vesting tranches and the contractual life of each grant. The risk-free interest rate is based on a treasury instrument whose term is consistent with the expected life of the stock options. The Company has not paid, and does not anticipate paying, cash dividends on its common stock; therefore, the expected dividend yield is assumed to be zero. In addition, based on an analysis of the historical actual forfeitures, the Company applied an estimated forfeiture rate of approximately 17%, 15% and 14% for the years ended December 31, 2014, 2013 and 2012, respectively, in determining the expense recorded in the accompanying consolidated statements of operations.
	The weighted-average fair value of options granted during the years ended December 31, 2014, 2013 and 2012, was $4.21, $5.34 and $7.74 per share, respectively. The weighted-average assumptions utilized to determine such values are presented in the following table:
		Year Ended December 31,
		2014				2013				2012
	Risk-free interest rate		2.16		%		1.8		%		1.25	%
	Expected volatility		52		%		54		%		57	%
	Expected life (in years)		6.2				6.2				6.2
	Expected dividend yield		—				—				—
	As of December 31, 2014, there was $11,725 of total unrecognized stock-based compensation expense related to unvested employee stock options, restricted stock awards and restricted stock units issued under the Company's stock-based compensation plans that is expected to be recognized over a weighted-average period of 3.14 years. The total unrecognized stock-based compensation expense will be adjusted for future changes in estimated forfeitures.
	The Company accounts for transactions in which services are received from non-employees in exchange for equity instruments based on the fair value of such services received, or of the equity instruments issued, whichever is more reliably measured. The Company determines the total stock-based compensation expense related to non-employee awards using the Black-Scholes option-pricing model. Additionally, in accordance with ASC 505, Equity-Based Payments to Non-Employees, the Company accounts for awards to non-employees prospectively, such that the fair value of the awards is remeasured at each reporting date until the earlier of (a) the performance commitment date or (b) the date the services required under the arrangement have been completed.
	For the years ended December 31, 2014, 2013 and 2012, stock-based compensation expense for stock options granted to non-employees in the accompanying consolidated statements of operations was not material.
	For the years ended December 31, 2014, 2013 and 2012, total stock-based compensation expense, including expense related to stock-based awards granted under the Brightcove KK Plan, was $6,387, $6,401 and $5,843, respectively.
	See Note 7 for a summary of the stock option activity under the Company's stock-based compensation plans for the year ended December 31, 2014.
Advertising Costs	Advertising Costs
	Advertising costs are charged to operations as incurred. The Company incurred advertising costs of $3,515, $3,215 and $3,881 for the years ended December 31, 2014, 2013 and 2012, respectively.
Recent Accounting Pronouncements	Recent Accounting Pronouncements
	In May 2014, the FASB and the International Accounting Standards Board jointly issued ASU No. 2014-9, Revenue from Contracts with Customers, which clarifies the principles for recognizing revenue and develops a common revenue standard for GAAP and International Financial Reporting Standards. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods and services. The ASU is effective for public entities for annual and interim periods beginning after December 15, 2016. Early adoption is not permitted under GAAP and retrospective application is permitted but not required. The Company is currently evaluating the impact of adopting this guidance on its financial position and results of operations.
	In August 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2014-15, Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern. ASU 2014-15 requires management to evaluate, at each annual or interim reporting period, whether there are conditions or events that exist that raise substantial doubt about an entity's ability to continue as a going concern within one year after the date the financial statements are issued and provide related disclosures. ASU 2014-15 is effective for annual periods ending after December 15, 2016 and earlier application is permitted. The adoption of ASU 2014-15 is not expected to have a material effect on the Company's consolidated financial statements or disclosures.

Summary_of_Significant_Account2

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2014
Summary of Significant Accounting Policies [Abstract]
Cash, Cash Equivalents and Investments	Cash and cash equivalents as of December 31, 2014 consist of the following:
		31-Dec-14
	Description	Contracted Maturity				Amortized Cost				Fair Market						Balance Per
										Value						Balance Sheet
	Cash		Demand			$	13,342			$	13,342			$	13,342
	Money market funds		Demand				9,574				9,574				9,574
	Total cash and cash equivalents					$	22,916			$	22,916			$	22,916
	Cash, cash equivalents and investments as of December 31, 2013 consist of the following:
		31-Dec-13
	Description	Contracted Maturity				Amortized Cost				Fair Market					Balance Per
										Value					Balance Sheet
	Cash		Demand			$	19,250			$	19,250			$	19,250
	Money market funds		Demand				13,797				13,797				13,797
	Total cash and cash equivalents					$	33,047			$	33,047			$	33,047
	Certificates of deposit		110 - 163 days			$	960			$	961			$	960
	Corporate debentures		23 - 96 days				2,101				2,102				2,101
	Total short-term investments					$	3,061			$	3,063			$	3,061
Summary of Changes in Company's Allowance for Doubtful Accounts	Below is a summary of the changes in the Company's allowance for doubtful accounts for the years ended December 31, 2014, 2013 and 2012:
		Balance at Beginning of Period			Provision			Write-offs				Balance at
												End of Period
	Year ended December 31, 2014	$	461		$	118		$	(398	)		$	181
	Year ended December 31, 2013		338			449			(326	)			461
	Year ended December 31, 2012		266			137			(65	)			338
Property and Equipment	Property and equipment consists of the following:
		Estimated Useful Life (in Years)				December 31,
						2014				2013
	Computer equipment		3			$	19,815			$	14,275
	Software		3 - 6				9,245				8,473
	Furniture and fixtures		5				1,827				1,721
	Leasehold improvements		Shorter of lease term or the estimated				929				737
			useful life
							31,816				25,206
	Less accumulated depreciation and amortization						21,444				16,411
						$	10,372			$	8,795
Reconciliation of Number of Shares Used in Calculation of Basic and Diluted Net Loss Per Share	A reconciliation of the number of shares used in the calculation of basic and diluted net loss per share is as follows:
		Year Ended December 31,
		2014				2013				2012
		(in thousands, except per share data)
	Computation of basic and diluted net loss per share:
	Net loss attributable to common stockholders	$	(16,893	)		$	(10,262	)		$	(13,919	)
	Weighted-average shares of common stock outstanding		31,949				28,351				24,662
	Less: weighted-average number of unvested restricted common shares outstanding		—				—				36
	Weighted-average number of common shares used in calculating net loss per common share		31,949				28,351				24,626
	Net loss per share applicable to common stockholders	$	(0.53	)		$	(0.36	)		$	(0.57	)
Potentially Dilutive Common Shares Excluded from Computation of Weighted-Average Shares Outstanding	The following potentially dilutive common shares have been excluded from the computation of weighted-average shares outstanding as of December 31, 2014, 2013 and 2012, as their effect would have been antidilutive:
		Year Ended December 31,
		2014				2013				2012
		(in thousands)
	Redeemable convertible preferred stock		—				—				2,162
	Options outstanding		3,805				3,331				3,894
	Restricted stock units outstanding		990				1,398				384
	Unvested restricted shares		—				—				36
	Warrants		28				28				34
Weighted Average Assumptions Utilized	The weighted-average assumptions utilized to determine such values are presented in the following table:
		Year Ended December 31,
		2014				2013				2012
	Risk-free interest rate		2.16		%		1.8		%		1.25	%
	Expected volatility		52		%		54		%		57	%
	Expected life (in years)		6.2				6.2				6.2
	Expected dividend yield		—				—				—

Business_Combinations_Tables

Business Combinations (Tables)	12 Months Ended
	Dec. 31, 2014
Business Acquisition [Line Items]
Total Purchase Price for Unicorn	All of the assets acquired and the liabilities assumed in the Acquisition have been recognized at their acquisition date fair values, which was finalized at December 31, 2014. The total purchase price for Unicorn has been allocated as follows:
	Cash and cash equivalents	$	13
	Other tangible assets		4,173
	Identifiable intangible assets		11,429
	Goodwill		28,758
	Liabilities assumed		(4,645	)
	Total estimated purchase price	$	39,728
Intangible Assets Acquired and Their Respective Useful Lives	The following are the identifiable intangible assets acquired and their respective estimated useful lives:
		Amount			Useful Life
					(in years)
	Developed technology	$	8,149			8
	Customer relationships		1,964			7
	Non-compete agreements		1,316			3
	Total	$	11,429
Schedule of Pro Forma Financial Information		Year Ended December 31,
		2014			2013
	Total revenue	$	125,558		$	115,612
	Net loss	$	(15,226	)	$	(22,624	)
	Net loss per share – basic and diluted	$	(0.47	)	$	(0.73	)

Intangible_Assets_and_Goodwill1

Intangible Assets and Goodwill (Tables)	12 Months Ended
	Dec. 31, 2014
Finite Lived Intangible Assets	Finite-lived intangible assets consist of the following as of December 31, 2014:
		Weighted Average
	Description	Estimated Useful Life			Gross Carrying Value			Accumulated Amortization			Net Carrying Value
		(in years)
	Developed technology		7		$	14,223		$	3,338		$	10,885
	Customer relationships		12			5,957			935			5,022
	Non-Compete agreements		3			1,912			998			914
	Tradename		3			368			291			77
	Total				$	22,460		$	5,562		$	16,898
	Finite-lived intangible assets consist of the following as of December 31, 2013:
	Description	Estimated Useful Life		Gross Carrying			Accumulated Amortization			Net Carrying Value
		(in years)		Value
	Developed technology		6	$	6,074		$	1,392		$	4,682
	Customer relationships		14		3,993			392			3,601
	Non-Compete agreements		2		596			410			186
	Tradename		3		368			169			199
	Total			$	11,031		$	2,363		$	8,668
Estimated Remaining Amortization Expense	The estimated remaining amortization expense for each of the five succeeding years and thereafter is as follows:
	Year Ending December 31,	Amount
	2015	$	3,112
	2016		3,035
	2017		2,633
	2018		2,218
	2019		1,584
	2020 and thereafter		4,316
	Total	$	16,898
Schedule of Goodwill	The following is a rollforward of the Company's goodwill balance:
	Balance as of December 31, 2013	$	22,018
	Goodwill related to the acquisition of Unicorn Media, Inc.		28,758
	Balance as of December 31, 2014	$	50,776

Fair_Value_Measurements_Tables

Fair Value Measurements (Tables)	12 Months Ended
	Dec. 31, 2014
Fair Value Measurements [Abstract]
Company's Financial Instruments Carried at Fair Value Using Lowest Level of Input	The following tables set forth the Company's financial instruments carried at fair value using the lowest level of input as of December 31, 2014 and 2013:
		31-Dec-14
		Quoted Prices in Active		Significant Other		Significant		Total
		Markets for Identical		Observable Inputs		Unobservable Inputs
		Items		(Level 2)		(Level 3)
		(Level 1)
	Assets:
	Money market funds	$	9,574	$	—	$	—	$	9,574
	Restricted cash		—		201		—		201
	Total assets	$	9,574	$	201	$	—	$	9,775
		31-Dec-13
		Quoted Prices in Active		Significant Other		Significant		Total
		Markets for Identical		Observable Inputs		Unobservable Inputs
		Items		(Level 2)		(Level 3)
		(Level 1)
	Assets:
	Money market funds	$	13,797	$	—	$	—	$	13,797
	Restricted cash		—		322		—		322
	Total assets	$	13,797	$	322	$	—	$	14,119

Commitments_and_Contingencies_

Commitments and Contingencies (Tables)	12 Months Ended
	Dec. 31, 2014
Commitments and Contingencies [Abstract]
Future Minimum Rental Commitments Under Operating Leases	Future minimum rental commitments under operating leases at December 31, 2014 are as follows:
	Year Ending December 31,	Operating Lease Commitments
	2015	$	5,998
	2016		4,997
	2017		4,515
	2018		3,879
	2019		3,773
	2020 and thereafter		7,951
		$	31,113
Future Minimum Rental Commitments Under Capital Leases	Future minimum rental commitments under capital leases at December 31, 2014 are as follows:
	Year Ending December 31	Capital Lease
		Commitments
	2015	$	1,204
	2016		464
	2017		72
	Less – interest on capital leases		56
		$	1,684

Stockholders_Equity_Tables

Stockholders' Equity (Tables)	12 Months Ended
	Dec. 31, 2014
Stockholders' Equity [Abstract]
Summary of Stock Option Activity	The following is a summary of the stock option activity for all stock options plans (excluding the Brightcove KK Plan) during the year ended December 31, 2014:
		Shares			Weighted-Average Exercise			Weighted-Average Remaining Contractual Term		Aggregate Intrinsic Value(2)
					Price			(In Years)
	Outstanding at December 31, 2013		3,060,583		$	6.76
	Granted		2,080,148		$	8.07
	Exercised		-210,735		$	2.84				$	1,499
	Canceled		-852,922		$	9.67
	Outstanding at December 31, 2014		4,077,074		$	7.02			6.98	$	8,259
	Exercisable at December 31, 2014		2,001,911		$	5.5			5.14	$	6,630
	Vested and expected to vest at December 31, 2014(1)		3,518,464		$	6.85			6.68	$	7,745
Summary of RSU Activity	The following table summarizes the RSU activity during the year ended December 31, 2014:
			Shares				Weighted
							Average
							Grant Date
							Fair Value
	Unvested by December 31, 2013		1,177,716			$	10.26
	Granted		346,000				6.05
	Vested and issued		(328,353	)			8.01
	Canceled		(279,905	)			9.89
	Unvested by December 31, 2014		915,458			$	8.61
Schedule of Shares of Common Stock Reserved for Future Issuance	At December 31, 2014, the Company has reserved the following shares of common stock for future issuance:
		December 31, 2014
	Common stock options outstanding		4,077,074
	Restricted stock unit awards outstanding		915,458
	Shares available for issuance under all stock-based compensation plans		1,215,170
	Common Stock warrants		28,028
	Total shares of authorized common stock reserved for future issuance		6,235,730

Noncontrolling_Interest_Tables

Non-controlling Interest (Tables)	12 Months Ended
	Dec. 31, 2014
Non-controlling Interest [Abstract]
Schedule of Changes in Non-controlling Interest		Year Ended
		December 31,
		2013
	Balance at beginning of period	$	1,842
	Net income attributable to non-controlling interest in consolidated subsidiary		20
	Purchase of non-controlling interest in consolidated subsidiary		(1,862	)
	Balance at end of period	$	—

Related_Party_Transactions_Tab

Related Party Transactions (Tables)	12 Months Ended
	Dec. 31, 2014
Related Party Transactions [Abstract]
Recorded Revenue from Related Parties	For the years ended December 31, 2014, 2013 and 2012, the Company recorded revenue from related parties of:
		Year Ended December 31,
		2014		2013(1)		2012
	J-Stream	$	-	$	36	$	3,240
	Dentsu		-		6		276
	Total related party revenue	$	-	$	42	$	3,516

Income_Taxes_Tables

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2014
Income Taxes [Abstract]
Schedule of Loss before Provision for Income Taxes	Income (loss) before the provision for income taxes consists of the following:
		Year Ended December 31,
		2014			2013			2012
	Domestic	$	-17,492		$	(10,740	)	$	(18,139	)
	Foreign		859			710			2,198
	Total	$	-16,633		$	(10,030	)	$	(15,941	)
Schedule of (Benefit from) Provision for Income Taxes	The provision for (benefit from) income taxes in the accompanying consolidated financial statements consists of the following:
		Year Ended December 31,
		2014			2013			2012
	Current provision:
	Federal	$	—		$	—		$	—
	State		41			22			16
	Foreign		219			128			95
	Total current		260			150			111
	Deferred (benefit):
	Federal		—			—			(2,937	)
	State		—			—			(470	)
	Foreign		—			62			(193	)
	Total deferred		—			62			(3,600	)
	Total provision (benefit)	$	260		$	212		$	(3,489	)
Schedule of Reconciliation of U.S. Federal Statutory Rate to Effective Tax Rate	A reconciliation of the U.S. federal statutory rate to the Company's effective tax rate is as follows:
		Year Ended December 31,
		2014			2013			2012
	Tax at statutory rates		-34	%		(34.0	)%		(34.0	)%
	State income taxes		-2			(3.3	)		(3.4	)
	Change in tax rate		-1.6			5			0.4
	Permanent differences		16.2			(11.7	)		9.6
	Foreign rate differential		-0.4			(0.4	)		0.3
	Research and development credits		-7.9			(9.5	)		—
	Change in valuation allowance		31.2			56			5.2
	Other, net		0.1			—			—
	Effective tax rate		1.6	%		2.1	%		(21.9	)%
Schedule of Income Tax Effect of Each Type of Temporary Difference and Carryforward	The approximate income tax effect of each type of temporary difference and carryforward as of December 31, 2014 and 2013 is as follows:
		As of December 31,
		2014				2013
	Net operating loss carry-forwards	$	42,633		$	30,763
	Tax credit carry-forwards		6,482			5,211
	Stock-based compensation		2,608			3,502
	Intangible assets		-6,600			(3,469	)
	Fixed assets		246			85
	Account receivable reserves		970			966
	Accrued compensation		1,463			53
	Capitalized research and development costs		—			47
	Capitalized start-up costs		420			481
	Other temporary differences		-334			1,121
	Deferred tax assets		47,888			38,760
	Valuation allowance		-47,779			(38,635	)
	Net deferred tax assets	$	109		$	125

Accrued_Expenses_Tables

Accrued Expenses (Tables)	12 Months Ended
	Dec. 31, 2014
Accrued Expenses [Abstract]
Components of Accrued Expenses	Accrued expenses consist of the following:
			December 31,
			2014		2013
	Accrued payroll and related benefits		$	5,479	$	7,607
	Accrued sales and other taxes			1,766		1,367
	Accrued professional fees and outside contractors			1,093		1,564
	Accrued content delivery			2,232		2,313
	Accrued other liabilities			1,152		1,677
	Total	$		11,722	$	14,528

Segment_Information_Tables

Segment Information (Tables)	12 Months Ended
	Dec. 31, 2014
Segment Information [Abstract]
Total Revenue to Unaffiliated Customers by Geographic Area, Based on Location of Customer	Total revenue to unaffiliated customers by geographic area, based on the location of the customer, was as follows:
		Year Ended December 31,
		2014		2013		2012
	Revenue:
	North America	$	75,419	$	65,336	$	55,836
	Europe		30,624		27,180		20,314
	Japan		7,902		6,497		5,949
	Asia Pacific		10,109		10,095		5,174
	Other		963		787		700
	Total revenue	$	125,017	$	109,895	$	87,973

Quarterly_Financial_Data_Table

Quarterly Financial Data (Tables)	12 Months Ended
	Dec. 31, 2014
Quarterly Financial Data [Abstract]
Summary of Quarterly Financial Data		For the three months ended:
		Dec. 31, 2014			Sept. 30, 2014			June 30, 2014			March 31, 2014			Dec. 31, 2013			Sept. 30, 2013			June 30, 2013			March 31, 2013
	Revenue	$	31,382		$	31,527		$	31,003		$	31,105		$	29,746		$	28,527		$	26,901		$	24,721
	Gross profit		20,159			20,708			20,579			19,838			19,790			19,279			17,729			16,307
	Loss from operations		(3,448	)		(3,110	)		(3,977	)		(4,658	)		(1,003	)		(1,317	)		(3,302	)		(3,872	)
	Net loss attributable to Brightcove Inc.		(3,924	)		(3,805	)		(4,327	)		(4,837	)		(1,243	)		(1,268	)		(3,522	)		(4,229	)
	Basic and diluted net loss per share	$	(0.12	)	$	(0.12	)	$	(0.13	)	$	(0.16	)	$	(0.04	)	$	(0.04	)	$	(0.12	)	$	(0.15	)

Summary_of_Significant_Account3

Summary of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 08, 2013	30-May-08
Accounting Policies [Line Items]
Payments to acquire non-managing interest		$1,084,000
Restricted cash	201,000	322,000
Threshold percentage of total revenues required for major customer classification	10.00%
Capitalized software development costs	474,000	1,065,000	24,000
Amortization of capitalized internal-use software development costs	397,000	312,000	542,000
Number of stock-based compensation plans	4
Depreciation and amortization, expense	5,388,000	4,148,000	4,022,000
Expected dividend yield	0
Estimated forfeiture rate	17.00%	15.00%	14.00%
Weighted-average fair value of options granted	$4.21	$5.34	$7.74
Unrecognized stock-based compensation expense	11,725,000
Unrecognized compensation cost, recognition period	3 years 1 month 20 days
Stock-based compensation	6,387,000	6,401,000	5,843,000
Advertising costs	3,515,000	3,215,000	3,881,000
Brightcove KK [Member]
Accounting Policies [Line Items]
Minority ownership interest percentage		37.00%			37.00%
Ownership percentage				100.00%	63.00%
Joint venture, additional ownership interest acquired				37.00%
Payments to acquire non-managing interest				$1,100,000
Software [Member]
Accounting Policies [Line Items]
Estimated Useful Life (in Years)	3 years

Summary_of_Significant_Account4

Summary of Significant Accounting Policies (Cash, Cash Equivalents and Investments) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Cash and cash equivalents [Member]
Investment Holdings [Line Items]
Amortized Cost	$22,916	$33,047
Fair Market Value	22,916	33,047
Balance Per Balance Sheet	22,916	33,047
Cash and cash equivalents [Member] | Cash [Member]
Investment Holdings [Line Items]
Contracted Maturity, description	Demand	Demand
Amortized Cost	13,342	19,250
Fair Market Value	13,342	19,250
Balance Per Balance Sheet	13,342	19,250
Cash and cash equivalents [Member] | Money market funds [Member]
Investment Holdings [Line Items]
Contracted Maturity, description	Demand	Demand
Amortized Cost	9,574	13,797
Fair Market Value	9,574	13,797
Balance Per Balance Sheet	9,574	13,797
Short-term investments [Member]
Investment Holdings [Line Items]
Amortized Cost		3,061
Fair Market Value		3,063
Balance Per Balance Sheet		3,061
Short-term investments [Member] | Certificates of deposit [Member]
Investment Holdings [Line Items]
Amortized Cost		960
Fair Market Value		961
Balance Per Balance Sheet		960
Short-term investments [Member] | Certificates of deposit [Member] | Minimum [Member]
Investment Holdings [Line Items]
Contracted Maturity		110 years
Short-term investments [Member] | Certificates of deposit [Member] | Maximum [Member]
Investment Holdings [Line Items]
Contracted Maturity		163 years
Short-term investments [Member] | Corporate debentures [Member]
Investment Holdings [Line Items]
Amortized Cost		2,101
Fair Market Value		2,102
Balance Per Balance Sheet		$2,101
Short-term investments [Member] | Corporate debentures [Member] | Minimum [Member]
Investment Holdings [Line Items]
Contracted Maturity		23 years
Short-term investments [Member] | Corporate debentures [Member] | Maximum [Member]
Investment Holdings [Line Items]
Contracted Maturity		96 years

Summary_of_Significant_Account5

Summary of Significant Accounting Policies (Summary of Changes in Company's Allowance for Doubtful Accounts) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance For Doubtful Accounts Receivable [Line Items]
Balance at Beginning of Period	$461	$338	$266
Provision	118	449	137
Write-offs	-398	-326	-65
Balance at End of Period	$181	$461	$338

Summary_of_Significant_Account6

Summary of Significant Accounting Policies (Property and Equipment) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$31,816	$25,206
Less accumulated depreciation and amortization	21,444	16,411
Property and equipment, net	10,372	8,795
Computer equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in Years)	3 years
Property and equipment, gross	19,815	14,275
Software [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in Years)	3 years
Property and equipment, gross	9,245	8,473
Software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in Years)	3 years
Software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in Years)	6 years
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in Years)	5 years
Property and equipment, gross	1,827	1,721
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$929	$737

Summary_of_Significant_Account7

Summary of Significant Accounting Policies (Reconciliation of Number of Shares Used in Calculation of Basic and Diluted Net Loss Per Share) (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Computation of basic and diluted net loss per share:
Net loss applicable to common stockholders									($16,893)	($10,262)	($13,919)
Weighted-average shares of common stock outstanding									31,949	28,351	24,662
Less: weighted-average number of unvested restricted common shares outstanding											36
Weighted-average number of common shares used in calculating net loss per common share									31,949	28,351	24,626
Net loss per share attributable to common stockholders	($0.12)	($0.12)	($0.13)	($0.16)	($0.04)	($0.04)	($0.12)	($0.15)	($0.53)	($0.36)	($0.57)

Summary_of_Significant_Account8

Summary of Significant Accounting Policies (Potentially Dilutive Common Shares Excluded from Computation of Weighted-Average Shares Outstanding) (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Redeemable convertible preferred stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive common shares excluded from the computation of weighted-average shares outstanding			2,162
Options outstanding [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive common shares excluded from the computation of weighted-average shares outstanding	3,805	3,331	3,894
RSUs [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive common shares excluded from the computation of weighted-average shares outstanding	990	1,398	384
Unvested restricted shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive common shares excluded from the computation of weighted-average shares outstanding			36
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive common shares excluded from the computation of weighted-average shares outstanding	28	28	34

Summary_of_Significant_Account9

Summary of Significant Accounting Policies (Weighted Average Assumptions Utilized) (Details) (Stock Compensation Plan [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stock Compensation Plan [Member]
Fair value assumptions used for option pricing:
Risk-free interest rate	2.16%	1.80%	1.25%
Expected volatility	52.00%	54.00%	57.00%
Expected life (in years)	6 years 2 months 12 days	6 years 2 months 12 days	6 years 2 months 12 days
Expected dividend yield

Business_Combinations_Narrativ

Business Combinations (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 23, 2012	Aug. 14, 2012
Business Acquisition [Line Items]
Total purchase price	$39,728,000		$27,379,000
Cash paid for acquisition, net of cash acquired	9,100,000		27,210,000
Merger-related costs	3,075,000	2,069,000	1,852,000
Shares issued price per share				$11
Common stock issued in acquisition, value	30,615,000
Unicorn [Member]
Business Acquisition [Line Items]
Business acquisition date	31-Jan-14
Total purchase price	39,728,000
Cash paid for acquisition, net of cash acquired	9,100,000
Merger-related costs	2,999,000
Revenue since acquisition	6,478
Retention Payment	1,600,000
Merger-related compensation expense	1,251,000
Shares issued price per share	$10.74
Common stock issued in acquisition	2,850,547
Shares placed into escrow account	1,285,715
Zencoder [Member]
Business Acquisition [Line Items]
Business acquisition date			14-Aug-12
Total purchase price					$27,400,000

Business_Combinations_Total_Pu

Business Combinations (Total Purchase Price for Unicorn) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Total purchase price allocation:
Cash and cash equivalents	$13		$248
Goodwill	50,776	22,018
Liabilities assumed	-4,645		-3,804
Unicorn [Member]
Total purchase price allocation:
Cash and cash equivalents	13
Other tangible assets	4,173
Identifiable intangible assets	11,429
Goodwill	28,758
Liabilities assumed	-4,645
Total purchase price	$39,728

Business_Combinations_Intangib

Business Combinations (Intangible Assets Acquired and Their Respective Useful Lives) (Details) (Unicorn [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	$11,429
Developed technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	8,149
Useful Life (years)	8 years
Customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	1,964
Useful Life (years)	7 years
Non-Compete agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	$1,316
Useful Life (years)	3 years

Business_Combinations_Pro_Form

Business Combinations (Pro Forma Financial Information) (Details) (USD $)	12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Business Combinations [Abstract]
Total revenue	$125,558	$115,612
Net loss	($15,226)	($22,624)
Net loss per share - basic and diluted	($0.47)	($0.73)

Intangible_Assets_and_Goodwill2

Intangible Assets and Goodwill (Narrative) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Intangible Assets and Goodwill [Abstract]
Amortization expense related to intangible assets	$3,200	$1,719	$644

Intangible_Assets_and_Goodwill3

Intangible Assets and Goodwill (Finite Lived Intangible Assets) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets Gross	$22,460	$11,031
Finite Lived Intangible Assets Accumulated Amortization	5,562	2,363
Finite Lived Intangible Assets Net	16,898	8,668
Developed technology [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life	7 years	6 years
Finite Lived Intangible Assets Gross	14,223	6,074
Finite Lived Intangible Assets Accumulated Amortization	3,338	1,392
Finite Lived Intangible Assets Net	10,885	4,682
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life	12 years	14 years
Finite Lived Intangible Assets Gross	5,957	3,993
Finite Lived Intangible Assets Accumulated Amortization	935	392
Finite Lived Intangible Assets Net	5,022	3,601
Non-Compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life	3 years	2 years
Finite Lived Intangible Assets Gross	1,912	596
Finite Lived Intangible Assets Accumulated Amortization	998	410
Finite Lived Intangible Assets Net	914	186
Trade name [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life	3 years	3 years
Finite Lived Intangible Assets Gross	368	368
Finite Lived Intangible Assets Accumulated Amortization	291	169
Finite Lived Intangible Assets Net	$77	$199

Intangible_Assets_and_Goodwill4

Intangible Assets and Goodwill (Estimated Remaining Amortization Expense) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Estimated remaining amortization expense related to intangible assets:
2015	$3,112
2016	3,035
2017	2,633
2018	2,218
2019	1,584
2020 and thereafter	4,316
Total	$16,898	$8,668

Intangible_Assets_and_Goodwill5

Intangible Assets and Goodwill (Rollforward of Companys Goodwill Balance) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014
Intangible Assets and Goodwill [Abstract]
Balance as of December 31, 2013	$22,018
Goodwill related to the acquisition of Unicorn Media, Inc.	28,758
Balance as of December 31, 2014	$50,776

Fair_Value_Measurements_Compan

Fair Value Measurements (Company's Financial Instruments Carried at Fair Value Using Lowest Level of Input) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Assets:
Money market funds	$9,574	$13,797
Restricted cash	201	322
Total assets	9,775	14,119
Quoted Prices in Active Markets for Identical Items (Level 1) [Member]
Assets:
Money market funds	9,574	13,797
Restricted cash
Total assets	9,574	13,797
Significant Other Observable Inputs (Level 2) [Member]
Assets:
Money market funds
Restricted cash	201	322
Total assets	201	322
Significant Unobservable Inputs (Level 3) [Member]
Assets:
Money market funds
Restricted cash
Total assets

Commitments_and_Contingencies_1

Commitments and Contingencies (Narrative) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Commitment And Contingencies [Line Items]
Option to renewal description	The Company's primary office lease has the option to renew the lease for two successive periods of five years each.
Deferred rent and rent incentives	$1,548	$1,304
Deferred rent and rent incentives, noncurrent	1,483	1,261
Rent expense	6,280	5,328	4,197
Income from sublease rental	0	0	88
Total capital lease obligation assumed	2,899
Total assets under capital leases	2,664
Assets under capital leases, accumulated amortization	1,015
Non-cancelable commitments due in 2015	9,071
Non-cancelable commitments due in 2016	8,000
Non-cancelable commitments due in 2017	8,000
Letter of Credit [Member]
Commitment And Contingencies [Line Items]
Debt instrument, face amount	$2,404

Commitments_and_Contingencies_2

Commitments and Contingencies (Future Minimum Rental Commitments Under Operating Leases) (Details) (USD $)	Dec. 31, 2014
In Thousands, unless otherwise specified
Future minimum rental commitments under operating leases for the year ending December 31,
2015	$5,998
2016	4,997
2017	4,515
2018	3,879
2019	3,773
2020 and thereafter	7,951
Total	$31,113

Commitments_and_Contingencies_3

Commitments and Contingencies (Future Minimum Rental Commitments Under Capital Leases) (Details) (USD $)	Dec. 31, 2014
In Thousands, unless otherwise specified
Future minimum rental commitments under capital leases
2015	$1,204
2016	464
2017	72
Less - interest on capital leases	56
Capital Lease Commitments	$1,684

Stockholders_Equity_Narrative_

Stockholders' Equity (Narrative) (Details) (USD $)	1 Months Ended	12 Months Ended				1 Months Ended
	Feb. 23, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2010	Sep. 30, 2006	Jan. 08, 2013
		item		item
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of stock during period, shares	5,750,000
Issuance of stock for services, shares	750,000
Shares issued, price per share	$11
Gross proceeds from IPO	$58,800,000
Offering expenses	4,300,000
Conversion of redeemable convertible preferred stock, shares issued	16,150,505
Number of shares called by warrants	46,713
Exercise price of warrants	$3.21
Number of stock-based compensation plans		4
Number of shares reserved for issuance under the equity incentive plan		6,235,730
Number of shares available for issuance		1,215,170
Number of new employees pursuant to the RSU Plan		61		15
Restricted stock units, number of common shares called by RSUs				77,100
Aggregate intrinsic value for options exercised			7,104,000	8,594,000
Amount reclassified to APIC upon vesting of shares			8,000	101,000
Shares issued during period, share-based compensation				15,781
Change in fair value of warrants				-28,000
Brightcove KK [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Joint venture, additional ownership interest acquired							37.00%
Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares exercised during period				18,685
2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for issuance under the equity incentive plan		7,397,843
Shares transferred in share based compensation plan				124,703
2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for issuance under the equity incentive plan				1,700,000
Number of shares available for issuance		1,215,170
Shares reserved for issuance under the equity incentive plan, annual increase as a percentage of outstanding shares at year end		4.00%
Overhang limit for number of shares reserved for issuance under the equity incentive plan		30.00%
2014 Stock Inducement Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity incentive plan, shares of common stock authorized		578,350
RSUs [Member] | 2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted during the period					156,292
Amount reclassified to APIC upon vesting of shares			8,000	101,000
Minimum [Member] | 2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, vesting period		3 months
Maximum [Member] | 2012 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, vesting period		4 years
Series B Redeemable Convertible Preferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares called by warrants						46,713
Exercise price of warrants						$3.21
Warrants expiration date						31-Aug-16
Warrants, fair value	$395,000

Stockholders_Equity_Summary_of

Stockholders' Equity (Summary of Stock Option Activity) (Details) (USD $)	12 Months Ended
In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Shares
Outstanding at December 31, 2014			4,077,074
Aggregate Intrinsic Value
Exercised	$7,104	$8,594
Employee Stock Option [Member] | Stock Compensation Plan [Member]
Shares
Outstanding at December 31, 2013			3,060,583
Granted			2,080,148
Exercised			-210,735
Canceled			-852,922
Outstanding at December 31, 2014			4,077,074
Exercisable at December 31, 2014			2,001,911
Vested and expected to vest at December 31, 2014			3,518,464	[1]
Weighted-Average Exercise Price
Outstanding at December 31, 2013			$6.76
Granted			$8.07
Exercised			$2.84
Canceled			$9.67
Outstanding at December 31, 2014			$7.02
Exercisable at December 31, 2014			$5.50
Vested and expected to vest at December 31, 2014			$6.85	[1]
Weighted-Average Remaining Contractual Term
Outstanding at December 31, 2014			6 years 11 months 23 days
Exercisable at December 31, 2014			5 years 1 month 20 days
Vested and expected to vest at December 31, 2014			6 years 8 months 5 days	[1]
Aggregate Intrinsic Value
Exercised			1,499	[2]
Outstanding at December 31, 2014			8,259	[2]
Exercisable at December 31, 2014			6,630	[2]
Vested and expected to vest at December 31, 2014			$7,745	[1],[2]
Estimated per share fair value of common stock			$7.78
[1]	This represents the number of vested options as of December 31, 2014 plus the number of unvested options expected to vest as of December 31, 2014, based on the unvested options outstanding at December 31, 2014 and adjusted for the estimated forfeiture rate.
[2]	The aggregate intrinsic value was calculated based on the positive difference between the estimated fair value of the Company's common stock on December 31, 2014 of $7.78 per share, or the date of exercise, as appropriate, and the exercise price of the underlying options.

Stockholders_Equity_Summary_of1

Stockholders' Equity (Summary of RSU Activity) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014
Shares
Unvested by December 31, 2014	915,458
RSUs [Member]
Shares
Unvested by December 31, 2013	1,177,716
Granted	346,000
Vested and issued	-328,353
Canceled	-279,905
Unvested by December 31, 2014	915,458
Weighted-Average Grant Date Fair Value
Unvested by December 31, 2013	$10.26
Granted	$6.05
Vested and issued	$8.01
Canceled	$9.89
Unvested by December 31, 2014	$8.61

Stockholders_Equity_Schedule_o

Stockholders' Equity (Schedule of Shares of Common Stock Reserved for Future Issuance) (Details)	Dec. 31, 2014
Stockholders' Equity [Abstract]
Common stock options outstanding	4,077,074
Restriced stock unit awards outstanding	915,458
Shares available for issuance under all stock-based compensation plans	1,215,170
Common stock warrants	28,028
Total shares of authorized common stock reserved for future issuance	6,235,730

Noncontrolling_Interest_Narrat

Non-controlling Interest (Narrative) (Details) (USD $)	12 Months Ended			0 Months Ended	1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 08, 2013	30-May-08
Noncontrolling Interest [Line Items]
Non-controlling interest in consolidated subsidiary			$1,842,000
Payment to acquire additional non-controlling interest		1,084,000
Brightcove KK [Member]
Noncontrolling Interest [Line Items]
Joint venture, additional ownership interest acquired				37.00%
Minority ownership interest percentage		37.00%			37.00%
Ownership percentage				100.00%	63.00%
Non-controlling interest in consolidated subsidiary
Payment to acquire additional non-controlling interest				1,100,000
Minority Stockholders [Member] | Brightcove KK [Member]
Noncontrolling Interest [Line Items]
Amount of contribution to invest in joint venture					$4,800,000

Noncontrolling_Interest_Schedu

Non-controlling Interest (Schedule of Changes in Non-controlling Interest) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Non-controlling Interest [Abstract]
Balance at beginning of period		$1,842
Net income attributable to non-controlling interest in consolidated subsidiary		20	734
Purchase of non-controlling interest in consolidated subsidiary		-1,862
Balance at end of period			$1,842

Related_Party_Transactions_Acc

Related Party Transactions (Accounts Receivable from Related Parties) (Details) (Brightcove KK [Member])	Jan. 08, 2013	30-May-08
Brightcove KK [Member]
Related Party Transaction [Line Items]
Ownership percentage	100.00%	63.00%
Joint venture, additional ownership interest acquired	37.00%

Related_Party_Transactions_Rec

Related Party Transactions (Recorded Revenue from Related Parties) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013		Dec. 31, 2012	Jan. 08, 2013
Related Party Transaction [Line Items]
Total related party revenue		$42		$3,516
Brightcove KK [Member]
Related Party Transaction [Line Items]
Joint venture, additional ownership interest acquired					37.00%
J-Stream [Member]
Related Party Transaction [Line Items]
Total related party revenue		36	[1]	3,240
Dentsu [Member]
Related Party Transaction [Line Items]
Total related party revenue		$6	[1]	$276
[1]	Represents related party revenue for the period from January 1, 2013 through January 7, 2013, which is the period prior to the Company's acquisition of the remaining 37% interest in Brightcove KK on January 8, 2013.

Income_Taxes_Narrative_Details

Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Line Items]
Provision for (benefit from) income taxes	$260,000	$212,000	($3,489,000)
Net operating losses carried forward, expiration date	31-Dec-33
Research and development tax credit, expiration date	31-Dec-33
Zencoder [Member]
Income Taxes [Line Items]
Change in valuation allowance			3,400,000
Japan [Member]
Income Taxes [Line Items]
Provision for (benefit from) income taxes			193,000
Federal [Member]
Income Taxes [Line Items]
Net operating losses	132,600,000
Excess tax benefits from the exercise of non-qualified stock options	12,100,000
Research and development tax credits	4,600,000
State [Member]
Income Taxes [Line Items]
Net operating losses	63,800,000
Excess tax benefits from the exercise of non-qualified stock options	7,700,000
Research and development tax credits	$2,800,000

Income_Taxes_Schedule_of_Incom

Income Taxes (Schedule of Income (Loss) before Provision for Income Taxes) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Loss before provision for income taxes:
Domestic	($17,492)	($10,740)	($18,139)
Foreign	859	710	2,198
Total	($16,633)	($10,030)	($15,941)

Income_Taxes_Schedule_of_Provi

Income Taxes (Schedule of Provision for (Benefit from) Income Taxes) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current provision:
Federal
State	41	22	16
Foreign	219	128	95
Total current	260	150	111
Deferred (benefit):
Federal			-2,937
State			-470
Foreign		62	-193
Total deferred		62	-3,600
Total provision (benefit)	$260	$212	($3,489)

Income_Taxes_Schedule_of_Recon

Income Taxes (Schedule of Reconciliation of U.S. Federal Statutory Rate to Effective Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of the U.S. federal statutory rate to the Company?s effective tax rate:
Tax at statutory rates	-34.00%	-34.00%	-34.00%
State income taxes	-2.00%	-3.30%	-3.40%
Change in tax rate	-1.60%	5.00%	0.40%
Permanent differences	16.20%	-11.70%	9.60%
Foreign rate differential	-0.40%	-0.40%	0.30%
Research and development credits	-7.90%	-9.50%
Change in valuation allowance	31.20%	56.00%	5.20%
Other, net	0.10%
Effective tax rate	1.60%	2.10%	-21.90%

Income_Taxes_Schedule_of_Incom1

Income Taxes (Schedule of Income Tax Effect of Each Type of Temporary Difference and Carryforward) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Approximate income tax effect of each type of temporary difference and carryforward:
Net operating loss carry-forwards	$42,633	$30,763
Tax credit carry-forwards	6,482	5,211
Stock-based compensation	2,608	3,502
Intangible assets	-6,600	-3,469
Fixed assets	246	85
Account receivable reserves	970	966
Accrued compensation	1,463	53
Capitalized research and development costs		47
Capitalized start-up costs	420	481
Other temporary differences	-334	1,121
Deferred tax assets	47,888	38,760
Valuation allowance	-47,779	-38,635
Net deferred tax assets	$109	$125

Debt_Narrative_Details

Debt (Narrative) (Details) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Line of Credit Facility [Line Items]
Amounts outstanding under line of credit
Modification Agreement [Member]
Line of Credit Facility [Line Items]
Amounts outstanding under line of credit
Secured Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt issuance date	31-Mar-11
Line of credit, maximum borrowing capacity	8
Debt instrument, spread on variable reference rate	1.50%
Percentage of eligible accounts receivable	80.00%
Line of credit maturity date	31-Mar-13
Amended Agreement [Member]
Line of Credit Facility [Line Items]
Debt issuance date	29-Apr-13
Line of credit, maximum borrowing capacity	10
Aggregate facility amount available	12.5
Line of credit maturity date	30-Mar-15
Modification Agreement [Member]
Line of Credit Facility [Line Items]
Debt issuance date	3-Oct-14
Line of credit, maximum borrowing capacity	20
Aggregate facility amount available	$25
Debt instrument, spread on variable reference rate	0.75%
Basis spread on variable rate, if not meet minimum assets coverage ratio	2.25%
Line of credit maturity date	3-Oct-16
Unused line fee percentage	0.25%

Accrued_Expenses_Details

Accrued Expenses (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Accrued expenses:
Accrued payroll and related benefits	$5,479	$7,607
Accrued sales and other taxes	1,766	1,367
Accrued professional fees and outside contractors	1,093	1,564
Accrued content delivery	2,232	2,313
Accrued other liabilities	1,152	1,677
Total	$11,722	$14,528

Segment_Information_Narrative_

Segment Information (Narrative) (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from customers	$31,382	$31,527	$31,003	$31,105	$29,746	$28,527	$26,901	$24,721	$125,017	$109,895	$87,973
Threshold percentage of total revenues required for major customer classification									10.00%
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from customers									$69,778	$60,195	$51,695

Segment_Information_Total_Reve

Segment Information (Total Revenue to Unaffiliated Customers by Geographic Area, Based on Location of Customer) (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue:
Total revenue	$31,382	$31,527	$31,003	$31,105	$29,746	$28,527	$26,901	$24,721	$125,017	$109,895	$87,973
North America [Member]
Revenue:
Total revenue									75,419	65,336	55,836
Europe [Member]
Revenue:
Total revenue									30,624	27,180	20,314
Japan [Member]
Revenue:
Total revenue									7,902	6,497	5,949
Asia Pacific [Member]
Revenue:
Total revenue									10,109	10,095	5,174
Other [Member]
Revenue:
Total revenue									$963	$787	$700

401k_Savings_Plan_Details

401(k) Savings Plan (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014
401(k) Savings Plan [Abstract]
Contribution made under the plan	$199,000

Quarterly_Financial_Data_Summa

Quarterly Financial Data (Summary of Quarterly Financial Data) (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Data [Abstract]
Revenue	$31,382	$31,527	$31,003	$31,105	$29,746	$28,527	$26,901	$24,721	$125,017	$109,895	$87,973
Gross profit	20,159	20,708	20,579	19,838	19,790	19,279	17,729	16,307	81,284	73,105	60,589
Loss from operations	-3,448	-3,110	-3,977	-4,658	-1,003	-1,317	-3,302	-3,872	-15,193	-9,494	-15,447
Net loss attributable to Brightcove Inc.	($3,924)	($3,805)	($4,327)	($4,837)	($1,243)	($1,268)	($3,522)	($4,229)	($16,893)	($10,262)	($13,186)
Net loss per share attributable to common stockholders	($0.12)	($0.12)	($0.13)	($0.16)	($0.04)	($0.04)	($0.12)	($0.15)	($0.53)	($0.36)	($0.57)