PROS (PRO) 10-K 3 Mar 14 2013 Q4 Annual report Financial data

Document_and_Entity_Informatio

Document and Entity Information (USD $)	12 Months Ended
In Millions, except Share data, unless otherwise specified	Dec. 31, 2013	Feb. 24, 2014	Jun. 28, 2013
Entity Information [Line Items]	'	'	'
Entity Registrant Name	'PROS HOLDINGS, INC.	'	'
Entity Central Index Key	'0001392972	'	'
Document Type	'10-K	'	'
Document Period End Date	31-Dec-13	'	'
Amendment Flag	'false	'	'
Document Fiscal Year Focus	'2013	'	'
Document Fiscal Period Focus	'Q4	'	'
Current Fiscal Year End Date	'--12-31	'	'
Entity Current Reporting Status	'Yes	'	'
Entity Filer Category	'Large Accelerated Filer	'	'
Entity Common Stock, Shares Outstanding	'	29,186,722	'
Entity Well-known Seasoned Issuer	'No	'	'
Entity Voluntary Filers	'No	'	'
Entity Public Float	'	'	$700.50

Condensed_Consolidated_Balance

Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Current assets:	'	'
Cash and cash equivalents	$44,688	$83,558
Accounts and unbilled receivables, net of allowance of $XXX and $1,130, respectively	46,566	38,801
Prepaid and other current assets	6,157	5,067
Restricted Cash and Cash Equivalents, Current	39,718	0
Total current assets	137,129	127,426
Restricted cash	100	329
Property and equipment, net	15,587	12,788
Intangible Assets, Net (Excluding Goodwill)	8,232	0
Goodwill	7,024	0
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	10,505	4,585
Other long term assets, net	1,251	1,351
Total assets	179,828	146,479
Current liabilities:	'	'
Accounts payable	7,839	3,775
Accrued liabilities	5,210	3,258
Accrued payroll and other employee benefits	9,679	7,669
Deferred revenue	42,274	39,774
Total current liabilities	65,002	54,476
Long-term deferred revenue	2,977	2,007
Other Liabilities, Noncurrent	546	1,327
Total liabilities	68,525	57,810
Commitments and contingencies (Note 13)	'	'
Stockholders' equity:	'	'
Preferred stock, $0.001 par value, 5,000,000 shares authorized none issued	0	0
Common stock, $0.001 par value, 75,000,000 shares authorized, XXX and 31,432,430 shares issued, respectively, XXX and 27,014,845 shares outstanding, respectively	33	32
Additional paid-in capital	106,880	87,693
Treasury stock, 4,417,585 common shares, at cost	-13,938	-13,938
Retained earnings	18,328	14,882
Total stockholders' equity	111,303	88,669
Total liabilities and stockholders' equity	$179,828	$146,479

Condensed_Consolidated_Balance1

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, except Share data, unless otherwise specified
Allowance for bad debts	$1,060	$760
Preferred stock - par value	$0.00	$0.00
Preferred stock - shares authorized	5,000,000	5,000,000
Preferred stock - shares issued	0	0
Common stock - par value	$0.00	$0.00
Common stock - shares authorized	75,000,000	75,000,000
Common stock - shares issued	32,606,228	31,966,432
Common stock - shares outstanding	28,188,643	27,548,847
Treasury stock - shares	4,417,585	4,417,585

Condensed_Consolidated_Stateme

Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $)	12 Months Ended
In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue:	'	'	'
License and implementation	$98,749	$77,656	$62,975
Maintenance and support	46,088	40,135	33,664
Total revenue	144,837	117,791	96,639
Cost of revenue:	'	'	'
License and implementation	34,896	25,830	19,627
Maintenance and support	8,239	7,955	6,675
Cost of Revenue	43,135	33,785	26,302
Gross profit	101,702	84,006	70,337
Operating Expenses	'	'	'
Selling, marketing, general and administrative	63,524	48,215	35,891
Research and development	32,467	27,611	25,671
Business Combination, Acquisition Related Costs	2,173	0	0
Income from operations	3,538	8,180	8,775
Other income:	'	'	'
Other Nonoperating Income (Expense)	-265	-163	-141
Income before income tax provision	3,273	8,017	8,634
Income tax provision	-173	3,051	2,284
Net income	3,446	4,966	6,350
Net earnings per share:	'	'	'
Basic	$0.12	$0.18	$0.24
Diluted	$0.11	$0.17	$0.23
Weighted average number of shares:	'	'	'
Basic	28,004,019	27,365,731	26,831,530
Diluted	30,114,373	28,419,956	27,761,958
Other comprehensive income, net of tax:	'	'	'
Other comprehensive income	0	0	0
Comprehensive income	$3,446	$4,966	$6,350

Condensed_Consolidated_Stateme1

Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes Paid, Net	($278)	$4,694	($5,330)
Operating activities:	'	'	'
Net income	3,446	4,966	6,350
Depreciation, Depletion and Amortization	4,307	2,286	1,609
Adjustments to reconcile net income to net cash provided by operating activities:	'	'	'
Depreciation	4,200	2,188	1,609
Share-based compensation	16,272	9,645	6,832
Excess tax benefits on share-based compensation	-2,940	-1,686	-1,379
Tax Benefit from Stock Options Exercised	2,931	1,573	1,320
Deferred income tax	-2,776	962	315
Provision for doubtful accounts	300	-326	178
Changes in operating assets and liabilities:	'	'	'
Accounts and unbilled receivables	-7,492	-4,609	-6,656
Prepaid expenses and other assets	1,204	2,215	-2,971
Accounts payable	2,885	-790	2,579
Accrued liabilities	1,002	1,700	-392
Accrued payroll and other employee benefits	1,050	2,879	405
Deferred revenue	-3,218	5,837	6,053
Net cash provided by operating activities	16,971	24,652	14,243
Investing activities:	'	'	'
Purchases of property and equipment	-3,401	-7,514	-3,002
Payments to Acquire Businesses, Net of Cash Acquired	-13,102	0	0
Capitalized Software Development Costs for Software Sold to Customers	-2,874	-2,013	0
Increase in restricted cash	-39,389	0	-36
Increase in short-term investment	0	0	73
Net cash used in investing activities	-58,766	-9,527	-2,965
Financing activities:	'	'	'
Exercise of stock options	3,327	1,354	1,874
Excess tax benefits on share-based compensation	2,940	1,686	1,379
Tax withholding related to net share settlement of restricted stock units	-3,342	-2,814	-1,919
Debt Issuance Cost	0	-250	0
Net cash (used in) provided by financing activities	2,925	-24	1,334
Net increase in cash and cash equivalents	-38,870	15,101	12,612
Cash and cash equivalents:	'	'	'
Beginning of period	83,558	68,457	55,845
End of period	44,688	83,558	68,457
Interest Paid	-87	-68	0
Capital Expenditures Incurred but Not yet Paid	$2,045	$1,425	$606

Consolidated_Statement_of_Shar

Consolidated Statement of Shareholders Equity (USD $)	Total	Stockholders' Equity, Total [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Common Stock [Member]
In Thousands, except Share data, unless otherwise specified
Stockholders' Equity Attributable to Parent at Dec. 31, 2010	'	$59,503	$69,844	($13,938)	$3,566	$31
Common stock - shares outstanding, beginning balance at Dec. 31, 2010	'	'	'	'	'	26,359,415
Treasury stock - shares, beginning balance at Dec. 31, 2010	'	'	'	4,417,585	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'
Stock Issued During Period, Value, New Issues	'	'	'	'	'	308,762
Exercise of stock options	'	1,874	'	'	'	'
Proceeds from Stock Options Exercised	1,874	'	1,874	'	'	'
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	'	'	'	'	'	346,668
Stock Issued During Period, Value, Restricted Stock Award, Gross	'	-1,919	-1,919	'	'	'
Proceeds and Excess Tax Benefit from Share-based Compensation	'	1,303	1,303	'	'	'
Share-based Compensation	6,832	6,832	6,832	'	'	'
Net Income (Loss) Attributable to Parent	6,350	6,350	0	'	6,350	'
Stockholders' Equity Attributable to Parent at Dec. 31, 2011	'	73,943	77,934	-13,938	9,916	31
Common stock - shares outstanding, ending balance at Dec. 31, 2011	'	'	'	'	'	27,014,845
Treasury stock - shares, ending balance at Dec. 31, 2011	'	'	'	4,417,585	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'
Stock Issued During Period, Value, New Issues	'	'	'	'	'	126,604
Exercise of stock options	'	1,354	'	'	'	'
Proceeds from Stock Options Exercised	1,354	'	1,354	'	'	'
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	'	'	'	'	'	407,398
Stock Issued During Period, Value, Restricted Stock Award, Gross	'	-2,813	-2,814	'	'	1
Proceeds and Excess Tax Benefit from Share-based Compensation	'	1,574	1,574	'	'	'
Share-based Compensation	9,645	9,645	9,645	'	'	'
Net Income (Loss) Attributable to Parent	4,966	4,966	0	'	4,966	'
Stockholders' Equity Attributable to Parent at Dec. 31, 2012	88,669	88,669	87,693	-13,938	14,882	32
Common stock - shares outstanding, ending balance at Dec. 31, 2012	27,548,847	'	'	'	'	27,548,847
Treasury stock - shares, ending balance at Dec. 31, 2012	4,417,585	'	'	4,417,585	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'
Stock Issued During Period, Value, New Issues	'	'	'	'	'	354,973
Exercise of stock options	'	3,327	'	'	'	1
Proceeds from Stock Options Exercised	3,327	'	3,326	'	'	'
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	'	'	'	'	'	284,823
Stock Issued During Period, Value, Restricted Stock Award, Gross	'	-3,342	-3,342	'	'	'
Proceeds and Excess Tax Benefit from Share-based Compensation	'	2,931	2,931	'	'	'
Share-based Compensation	16,272	16,272	16,272	'	'	'
Net Income (Loss) Attributable to Parent	3,446	3,446	0	'	'	'
Stockholders' Equity Attributable to Parent at Dec. 31, 2013	$111,303	$111,303	$106,880	($13,938)	$18,328	$33
Common stock - shares outstanding, ending balance at Dec. 31, 2013	28,188,643	'	'	'	'	28,188,643
Treasury stock - shares, ending balance at Dec. 31, 2013	4,417,585	'	'	4,417,585	'	'

Organization_and_Nature_of_Ope

Organization and Nature of Operations	12 Months Ended
	Dec. 31, 2013
Organization and Nature of Operations [Abstract]	'
Organization and nature of operations	'
	Organization and Nature of Operations
	PROS Holdings, Inc., a Delaware corporation, through its operating subsidiaries (the “Company”), provides big data software applications that are designed to help companies outperform in their markets by using big data to sell more effectively. The Company applies data science to unlock buying patterns and preferences within transaction data to reveal which opportunities are most likely to close, which offers are most likely to sell and which prices are most likely to win. The Company offers big data software applications to analyze, execute, and optimize sales, pricing, quoting, rebates and revenue management. The Company also provides professional services to implement its software applications as well as business consulting. In addition, the Company provides product maintenance and support to its customers to receive unspecified upgrades, maintenance releases and bug fixes during the term of the support period on a when-and-if-available basis. The Company provides its big data software applications to enterprises across a range of industries, including manufacturing, distribution, services and travel.

Summary_of_Significant_Account

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Significant Accounting Policies [Text Block]	'
	Summary of Significant Accounting Policies
	Principles of consolidation and basis of presentation
	The Consolidated Financial Statements include the accounts of PROS Holdings, Inc., and its wholly-owned subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation. The Consolidated Financial Statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”).
	Dollar amounts
	The dollar amounts presented in the tabular data within these footnote disclosures are stated in thousands of dollars, except per unit amounts, or as noted within the context of each footnote disclosure.
	Use of estimates
	The Company’s management makes estimates and assumptions in the preparation of its audited Consolidated Financial Statements in conformity with GAAP. These estimates and assumptions may affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the audited Consolidated Financial Statements and the reported amounts of revenue and expense during the reporting periods. Actual results could differ from those estimates. The complexity of the estimation process and issues related to the assumptions, risks and uncertainties inherent in the application of the percentage-of-completion method of revenue recognition affects the amount of revenue, expenses, unbilled receivables and deferred revenue. Numerous internal and external factors can affect estimates. Estimates are also used for, but not limited to, receivables, allowance for doubtful accounts, useful lives of assets, depreciation and amortization, the fair value of assets acquired and liabilities assumed for business combinations, income taxes and deferred tax asset valuation, valuation of stock options, other current liabilities and accrued liabilities.
	Cash and cash equivalents
	The Company considers all highly liquid investments with an original maturity of three months or less at the time of purchase to be cash equivalents. The Company has a cash management program that provides for the investment of excess cash balances, primarily in short-term money market instruments.
	Financial instruments
	The carrying amount of the Company’s financial instruments, which include cash equivalents, short-term investments, receivables and accounts payable, approximates their fair values at December 31, 2013 and 2012. For additional information on the Company’s fair value measurements, see Note 8 to the Consolidated Financial Statements.
	Prepaid expenses and other assets
	Prepaid expenses and other assets consist primarily of short-term deferred tax assets, prepaid income taxes, deferred project costs and prepaid third-party license fees.
	Property and equipment, net
	Property and equipment are recorded at cost, less accumulated depreciation. Maintenance, repairs and minor replacements are charged to expense as incurred. Significant renewals and betterments are capitalized. Depreciation on property and equipment, with the exception of leasehold improvements, is recorded using the straight-line method over the estimated useful lives of the assets. Depreciation on leasehold improvements is recorded using the shorter of the lease term or useful life. When property is retired or disposed of, the cost and related accumulated depreciation are removed from the accounts and any resulting gains or losses are reflected in the Consolidated Statements of Comprehensive Income in the period of disposal.
	Internal-use software
	Costs incurred to develop internal-use software during the application development stage are capitalized, stated at cost, and depreciated using the straight-line method over the estimated useful lives of the assets. Application development stage costs generally include salaries and personnel costs and third party contractor expenses associated with internal-use software configuration, coding, installation and testing. Capitalized internal-use software is included in property and equipment, net in the Consolidated Balance Sheets.
	Impairment of long-lived assets
	Property and equipment are reviewed for impairment whenever an event or change in circumstances indicates that the carrying amount of an asset or group of assets may not be recoverable. The impairment review includes comparison of future cash flows expected to be generated by the asset or group of assets with the associated assets’ carrying value. If the carrying value of the asset or group of assets exceeds its expected future cash flows (undiscounted and without interest charges), an impairment loss is recognized to the extent that the carrying amount of the asset exceeds its fair value. The Company has not recorded any impairment charges in any of the years ended December 31, 2013, 2012 and 2011.
	Intangible Assets and Goodwill
	Intangible assets that have finite lives are amortized over their useful lives and are reviewed 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 reevaluates 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 would adjust the carrying value of the asset to fair value, generally determined by a discounted cash flow analysis.
	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, 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.
	For the year ended December 31, 2013, the Company adopted ASU No. 2011-08, Intangibles–Goodwill and Other (Topic 350) Testing Goodwill for Impairment. Under ASU 2011-08, 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, 2013, the Company did not identify any indicators of impairment. As such, the two-phase process described above was not necessary.
	Research and development
	Research and development costs for software sold to our customers is expensed as incurred. These costs include salaries and personnel costs, third-party contractor expenses, software development tools, an allocation of facilities and depreciation expenses and other expenses in developing new solutions and upgrading and enhancing existing solutions.
	Treasury stock
	The Company makes treasury stock purchases in the open market pursuant to the share repurchase program, which was approved by its Board of Directors on August 28, 2008. The Company accounts for the purchase of treasury stock under the cost method. For additional information on the Company’s stock repurchase program, see Note 9 to the Consolidated Financial Statements.
	Revenue recognition
	The Company derives its revenue from the licensing and implementation of software solutions and associated software maintenance and support. To a lesser extent, the Company’s revenue includes nonsoftware related hosting services. The Company’s arrangements with customers typically include: (a) license fees paid for the use of our solutions either in perpetuity or over a specified term and implementation fees for configuration, implementation and training services and (b) maintenance and support fees related to technical support and software updates. If there is significant uncertainty about contract completion or collectability is not reasonably assured, revenue is deferred until the uncertainty is sufficiently resolved or collectability is reasonably assured. In addition, revenue is recognized when persuasive evidence of an arrangement exists, delivery has occurred and fees are fixed or determinable.
	In determining whether professional services revenue should be accounted for separately from license revenue, the Company evaluates whether the professional services are considered essential to the functionality of the software using factors such as: the nature of its software products; whether they are ready for use by the customer upon receipt; the nature of professional services; the availability of services from other vendors; whether the timing of payments for license revenue coincides with performance of services; and whether milestones or acceptance criteria exist that affect the realizability of the software license fee.
	If the Company determines that professional services revenue should not be accounted for separately from license revenue, the license revenue is recognized together with the professional services revenue using the percentage-of-completion method or completed contract method. The completed contract method is also used for contracts where there is a risk over final acceptance by the customer or for contracts that are short term in nature.
	The percentage-of-completion computation is measured by the percentage of man-days incurred during the reporting period as compared to the estimated total man-days necessary for each contract for implementation of the software solutions. The Company measures performance under the percentage-of-completion method using total man-day method based on current estimates of man-days to complete the project. The Company believes that for each such project, man-days expended in proportion to total estimated man-days at completion represents the most reliable and meaningful measure for determining a project’s progress toward completion. Under our fixed-fee arrangements, should a loss be anticipated on a contract, the full amount is recorded when the loss is determinable.
	The Company also licenses software solutions under term license agreements that typically include maintenance during the license term. When maintenance is included for the entire term of the license, there is no renewal rate and the Company has not established vendor specific objective evidence (“VSOE”) of fair value for the maintenance on term licenses. For term license agreements, revenue and the associated costs are deferred until the delivery of the solution and recognized ratably over the remaining license term. Revenue from term licenses, which is included in license and implementation revenue in the Consolidated Statement of Comprehensive Income, represented approximately 3.6%, 4.8% and 5.8% of total revenue for the years ended December 31, 2013, 2012 and 2011, respectively.
	For arrangements that include hosting and cloud-based services, we allocate the arrangement consideration between the service and other elements and recognize the hosting and cloud-based services fee ratably beginning on the date the customer commences use of our services and continuing through the end of the customer term. Revenue from hosting and cloud-based services, which is included in license and implementation revenue in the Consolidated Statements of Comprehensive Income, represented approximately 2.4%, 2.6% and 2.3% of total revenue for the years ended December 31, 2013, 2012 and 2011, respectively.
	The Company’s customer arrangements typically contain multiple elements that include software license, implementation services and post-implementation maintenance and support. For multiple element arrangements containing our nonsoftware services, the Company must (1) determine whether and when each element has been delivered; (2) determine fair value of each element using the selling price hierarchy of VSOE of fair value, third party evidence (“TPE”), or BESP, as applicable, and (3) allocate the total price among the various elements based on the relative selling price method.
	For multiple-element arrangements that contain software and nonsoftware elements such as the Company's hosting service offerings, we allocate revenue between the software and software related elements as a group and any nonsoftware elements based on a relative fair value allocation.  We determine fair value for each deliverable using this hierarchy and utilize VSOE of fair value if it exists.
	In certain instances, the Company may not be able to establish VSOE for all deliverables in an arrangement with multiple elements. This may be due to infrequently selling each element separately, not pricing solutions or services within a narrow range, or only having a limited sales history. In addition, third party evidence may not be available. When the Company is unable to establish selling prices using VSOE or TPE, it uses BESP in the allocation of arrangement consideration. The objective of BESP is to determine the price at which the Company would transact a sale if the product or service were sold on a stand-alone basis. For transactions that only include software and software-related elements, the Company continues to account for such arrangements under the software revenue recognition standards which require it to establish VSOE of fair value to allocate arrangement consideration to multiple deliverables.
	Maintenance and support revenue includes post-implementation customer support and the right to unspecified software updates and enhancements on a when and if available basis. The Company generally invoices for maintenance and support services on a monthly, quarterly or on an annual basis through the maintenance and support period. The Company recognizes revenue from maintenance arrangements ratably over the period in which the services are provided.
	Software license and implementation revenue that has been recognized, but for which the Company has not invoiced the customer, is recorded as unbilled receivables. Invoices that have been issued before software license, implementation and maintenance and support revenue has been recognized are recorded as deferred revenue in the accompanying consolidated balance sheets.
	Foreign currency
	The Company has contracts denominated in foreign currencies and therefore a portion of the Company’s revenue is subject to foreign currency risks. Gains and losses from foreign currency transactions, such as those resulting from the settlement of receivables, are classified in other (expense) income, net included in the accompanying Consolidated Statements of Comprehensive Income.
	The Company translates assets and liabilities of its foreign subsidiaries, whose functional currency is the U.S. dollar, at exchange rates in effect at the balance sheet date. The Company translates revenue and expenses using the monthly average exchange rate. The Company includes foreign currency translation adjustments in the accompanying Consolidated Statements of Comprehensive Income.
	Noncash share based compensation
	The Company has two noncash share based compensation plans, the 1999 Equity Incentive Plan ("1999 Stock Plan") and the 2007 Equity Incentive Plan ("2007 Stock Plan"), which authorize the discretionary granting of various types of stock awards to key employees, officers, directors and consultants. The Company’s 1999 Stock Plan was terminated in March 2007 for purposes of granting any future equity awards. The Company’s 2007 Stock Plan was adopted in March 2007. The Company may provide noncash share based compensation through the grant of: (i) restricted stock awards; (ii) restricted stock unit awards; (iii) stock options; (iv) stock appreciation rights; (v) phantom stock; and (vii) performance awards.
	To date, the Company has granted stock options, stock appreciation rights, restricted stock units and market stock units. The Company issues common stock from its pool of authorized stock upon exercise of stock options, settlement of stock appreciation rights and market stock units or upon vesting of restricted stock units. The following table presents the number of awards outstanding for each award type as of December 31, 2013 and 2012:
		Year Ended December 31,
	Award type	2013	2012
	Stock options	1,160	1,475
	Restricted stock units	1,543	1,183
	Stock appreciation rights	721	790
	Market stock units	469	205
	Stock options. The Company did not grant stock options during 2013 and 2012. The fair value of each stock option was estimated on the date of grant using the Black-Scholes option pricing model.
	Restricted stock units. The fair value of the restricted stock units ("RSUs") is based on the closing price of the Company’s stock on the date of grant and is amortized over the vesting period.
	Stock appreciation rights. Stock appreciation rights (“SARs”) will be settled in stock at the time of exercise and vest over four years from the date grant. The Company used the Black-Scholes option pricing model to estimate the fair value of its SARs. The determination of the fair value of SARs utilizing the Black-Scholes model is affected by the Company’s stock price and a number of assumptions, including expected volatility, expected life, deliver risk-free interest rate and expected dividends. The Company estimates the expected volatility of common stock at the date of grant based on a combination of its historical volatility and the average volatility of comparable companies. The expected life of the SARs noncash share based payment awards is a historical weighted average of the expected lives of similar securities of comparable public companies. The risk-free interest rate assumption is based on observed interest rates appropriate for the terms of the Company’s awards. The dividend yield assumption is based on our expectation of paying no dividends.
	Market stock units. The market stock units ("MSUs") are performance-based awards that vest based upon the Company’s relative shareholder return. The actual number of MSUs that will be eligible to vest is based on the total shareholder return of the Company relative to the total shareholder return of the Russell 2000 Index (“Index”) over a two or three year period ending December 31, 2013 and December 31, 2015 (“Performance Period”), respectively. The MSUs granted in 2012 vest on January 1, 2014 and the MSUs granted in 2013 vest on January 1, 2016. The maximum number of shares issuable upon vesting is 200% of the MSUs initially granted based on the average price of our common stock relative to the Index during the Performance Period. The Company estimates the fair value of MSUs on the date of grant using a Monte Carlo simulation model. The determination of fair value of the MSUs is affected by the Company’s stock price and a number of assumptions including the expected volatility of the Company’s stock and the Index, its risk-free interest rate and expected dividends. The Company’s expected volatility at the date of grant was based on the historical volatilities of the Company and the Index over the Performance Period. The Company did not grant any MSUs in 2011.
	As the Company issues stock options and SARs, it evaluates the assumptions used to value our stock option awards and SARs. If factors change and the Company employs different assumptions, noncash share based compensation expense may differ significantly from what has been recorded in the past. If there are any modifications or cancellations of the underlying unvested securities, the Company may be required to accelerate, increase or cancel any remaining unearned noncash share based compensation expense. Future noncash share based compensation expense and unearned noncash share based compensation will increase to the extent that the Company grants additional equity awards to employees.
	At December 31, 2013, there were an estimated $29.4 million of total unrecognized compensation costs related to noncash share based compensation arrangements. These costs will be recognized over a weighted average period of 3.0 years. For further discussion of the Company’s noncash share based compensation plans, see Note 10 to the Consolidated Financial Statements.
	Product warranties
	The Company generally issues warranties for 90 days from the completion of implementation, depending on the contract, for software licenses and implementation services. In the Company’s experience, warranty costs have been insignificant.
	Income taxes
	The Company uses the asset and liability method to account for income taxes, including recognition of deferred tax assets and liabilities for the anticipated future tax consequences attributable to differences between financial statement amounts and their respective tax basis. The Company reviews its deferred tax assets for recovery. A valuation allowance is established when the Company believes that it is more-likely than not that some portion of its deferred tax assets will not be realized. Changes in the valuation allowance from period to period are included in the Company’s tax provision in the period of change.
The Company accounts for uncertain income tax positions recognized in an enterprise’s financial statements in accordance with the income tax topic of the ASC issued by the FASB. This interpretation requires companies to use a prescribed model for assessing the financial recognition and measurement of all tax positions taken or expected to be taken in its tax returns. This guidance provides clarification on derecognition, classification, interest and penalties, accounting in interim periods, disclosures and transition. For additional information regarding the Company’s income taxes, see Note 11 to the Consolidated Financial Statements.
Earnings per share
The Company computes basic earnings (loss) per share by dividing net income (loss) attributable to common stockholders by the weighted average number of common shares outstanding. Diluted earnings (loss) per share is computed by dividing net income (loss) attributable to common stockholders by the weighted average number of common shares and dilutive potential common shares then outstanding. Diluted earnings per share reflect the assumed conversion of all dilutive securities, using the treasury stock method. Dilutive potential common shares consist of shares issuable upon the exercise of stock options, shares of unvested restricted stock units, and settlement of stock appreciation rights. When the Company incurs a net loss, the effect of the Company’s outstanding stock options, stock appreciation rights and restricted stock units are not included in the calculation of diluted earnings (loss) per share as the effect would be anti-dilutive. Accordingly, basic and diluted net loss per share are identical.
Recent accounting pronouncements
In February 2013, the FASB issued ASU 2013-2, Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. This guidance requires the presentation of the effects on the line items of net income of significant amounts reclassified out of accumulated other comprehensive income, but only if the item reclassified is required under U.S. GAAP to be reclassified to net income in its entirety in the same reporting period. We adopted the standard on January 1, 2013. The adoption did not have an impact on our consolidated financial position, results of operations or cash flows.
In July 2012, the FASB amended ASC 350, Intangibles — Goodwill and Other. This amendment is intended to simplify how an entity tests indefinite-lived assets other than goodwill for impairment by providing entities with an option to perform a qualitative assessment to determine whether further impairment testing is necessary. The amended provisions were effective for us for the year ended December 31, 2013. This amendment impacts impairment testing steps only, and therefore the adoption did not have an impact on our consolidated financial position, results of operations or cash flows.

Business_Combination

Business Combination	12 Months Ended
	Dec. 31, 2013
Business Combinations [Abstract]	'
Business Combination Disclosure [Text Block]	'
	Business Combination
	In December 2013, the Company acquired SignalDemand, an optimization software company headquartered in San Francisco, with approximately 40 employees and contractors, for total cash consideration of $13.5 million. This acquisition broadens the Company's offering for companies in resource-based and commodity-driven industries, helping them to better serve their customers in volatile markets with greater confidence and agility. Through its SaaS-based solutions, SignalDemand processes thousands of variables to deliver real-time recommendations to help companies make price and mix decisions across products, customers and channels.
	The acquisition was accounted for using the purchase method of accounting in accordance with ASC 805, Business Combinations. Accordingly, the results of operations of SignalDemand 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. While the initial purchase price allocation has been completed, the allocation of the purchase price is subject to change for a period of one year following the acquisition. Transaction costs associated with the transaction have been expensed as incurred.
	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, 2013, the Company incurred acquisition-related costs of $0.4 million consisting primary of advisory, legal fees, and retention of key employees.
	The Company recorded revenue and net loss for SignalDemand of approximately $0.2 million and $(0.4) million, respectively, in the consolidated statements of operations from the acquisition date through December 31, 2013.
	All of the assets acquired and the liabilities assumed in the transaction have been recognized at their acquisition date fair values at December 16, 2013.
	The total purchase price for SignalDemand has been preliminarily allocated as follows:
	Current assets	$	881
	Deferred tax asset - current	2,752
	Noncurrent assets	193
	Intangibles	8,300
	Goodwill	7,024
	Deferred tax asset - noncurrent	2,572
	Accounts payable and accrued liabilities	(1,534		)
	Deferred revenue	(6,688		)
		$	13,500
	The following are the identifiable intangible assets acquired and their respective useful lives:
						Useful Life
		Amount				(years)
	Developed technology	$	4,600			7
	Internally developed technology	160				2
	Customer relationships	3,500				8
	Trade name	40				2
	Total	$	8,300
	In performing the preliminary 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 SignalDemand's products and services. The allocation resulted in acquired intangible assets of $8.3 million. The acquired intangible assets consisted of developed technology, customer relationships and trade name 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. Additionally, the Company assumed certain liabilities in the acquisition, including deferred revenue to which a fair value of $6.7 million was ascribed using a cost-plus profit approach.
	The Company has made a preliminary determination that $5.3 million of net deferred tax assets were assumed on the acquisition date. The deferred tax assets primarily relate to net operating losses and other expenses accrued but not expensed for tax purposes.
	The excess of the purchase price over the estimated amounts of net assets as of the effective date of the acquisition was allocated to goodwill. 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 SignalDemand acquisition. These benefits include the expectation that the combined company’s complementary products will significantly broaden the Company’s offerings in sales optimization solutions. 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 crosselling opportunities. None of the goodwill is expected to be currently deductible for tax purposes.
	Pro Forma Financial Informaiton
	The unaudited financial information in the table below summarizes the combined results of operations of the Company and SignalDemand, on a pro forma basis, as though the Company had acquired SignalDemand on January 1, 2012. The pro forma information for all periods presented also includes the effect of business combination accounting resulting from the acquisition, including amortization charges from acquired intangible assets.
		Year Ended December 31,
	(in thousands)	2013			2012
	Total revenue	153,648			120,345
	Net income (loss)	1,098			(3,252	)

Goodwill_and_Intangible_Assets

Goodwill and Intangible Assets	12 Months Ended
	Dec. 31, 2013
Goodwill and Intangible Assets [Abstract]	'
Goodwill and Intangible Assets Disclosure [Text Block]	'
	Goodwill and Intangible Assets
	The change in the carrying amount of goodwill for the year ended December 31, 2013 was as follows (in thousands):
	Balance as of December 31, 2012	$	—
	Goodwill acquired	7,024
	Balance as of December 31, 2013	$	7,024
	Intangible assets acquired from business combination consist of the following as of December 31, 2013 (in thousands):
		Useful Life (years)		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	Developed technology	7		$	4,600	$	27	$	4,573
	Internally developed technology	2		160		3		157
	Customer relationships	8		3,500		37		3,463
	Trade name	2		40		1		39
	Total			$	8,300	$	68	$	8,232
	As of December 31, 2013, the expected future amortization expense for the acquired intangible assets for each of the five succeeding years and thereafter was as follows (in thousands):
	Year Ending December 31,		Amount
	2014		$	1,623
	2015		1,402
	2016		1,147
	2017		1,095
	2018 and thereafter		2,965
	Total amortization expense		$	8,232

Accounts_Receivable_and_Contra

Accounts Receivable and Contracts in Progress	12 Months Ended
	Dec. 31, 2013
Accounts Receivable and Contracts in Progress [Abstract]	'
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	'
	Accounts receivable and contracts in progress
	Accounts receivable at December 31, 2013 and 2012, consists of the following:
		December 31,
		2013			2012
	Accounts receivable	$	40,842		$	34,332
	Unbilled receivables	6,784			5,229
	Total receivables	47,626			39,561
	Less: Allowance for doubtful accounts	(1,060		)	(760		)
	Accounts receivable, net	$	46,566		$	38,801
	The bad debt expense reflected in selling, general and administrative expenses in the accompanying Consolidated Statements of Comprehensive Income for the years ended December 31, 2013, 2012 and 2011, totaled approximately $0.4 million, $(0.3) million and $0.2 million, respectively.
	Activity related to contracts in progress at December 31, 2013 and 2012, is summarized as follows:
		December 31,
		2013			2012
	Costs and estimated earnings recognized to date	$	221,905		$	228,912
	Progress billings to date	(260,372		)	(265,463		)
	Total	$	(38,467	)	$	(36,551	)
	The foregoing table reflects the aggregate invoiced amount of all contracts in progress and maintenance as of the respective dates, including amounts that have already been collected.
	These amounts are included in the accompanying Consolidated Balance Sheets at December 31, 2013 and 2012, as follows:
		December 31,
		2013			2012
	Unbilled receivables	$	6,784		$	5,229
	Deferred revenue	(45,251		)	(41,780		)
	Total	$	(38,467	)	$	(36,551	)
	At December 31, 2013 and 2012, the Company had approximately $11.4 million and $11.1 million, respectively, in deferred maintenance and support revenue, which is reflected above within deferred revenue and progress billing.
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	'
	Accounts receivable at December 31, 2013 and 2012, consists of the following:
		December 31,
		2013			2012
	Accounts receivable	$	40,842		$	34,332
	Unbilled receivables	6,784			5,229
	Total receivables	47,626			39,561
	Less: Allowance for doubtful accounts	(1,060		)	(760		)
	Accounts receivable, net	$	46,566		$	38,801

Earnings_per_Share

Earnings per Share	12 Months Ended
	Dec. 31, 2013
Earnings Per Share [Abstract]	'
Earnings per Share	'
	Earnings per share
	The following table sets forth the computation of basic and diluted earnings per share:
		For the Year Ended December 31,
		2013		2012		2011
	Numerator:
	Net income attributable to common stockholders	$	3,446	$	4,966	$	6,350
	Denominator:
	Weighted average shares (basic)	28,004		27,366		26,832
	Dilutive effect of stock options, restricted stock units and stock appreciation rights	2,110		1,054		930
	Weighted average shares (diluted)	30,114		28,420		27,762
	Basic earnings per share	$	0.12	$	0.18	$	0.24
	Diluted earnings per share	$	0.11	$	0.17	$	0.23
	Approximately 14,000, 416,000 and 893,000 of potential common shares have not been considered in the diluted earnings per calculation for the years ended December 31, 2013, 2012 and 2011, respectively, as the effect would be anti-dilutive.

Property_and_Equipment_net

Property and Equipment, net	12 Months Ended
	Dec. 31, 2013
Property, Plant and Equipment [Abstract]	'
Property, Plant and Equipment Disclosure [Text Block]	'
	Property and equipment, net
	Property and equipment, net as of December 31, 2013 and 2012 consists of the following:
			December 31,
		Estimated useful life	2013			2012
	Furniture and fixtures	7-10 years	$	2,423		$	2,371
	Computers and equipment	3-5 years	10,857			9,477
	Software	2-5 years	4,322			4,123
	Capitalized internal-use software development costs	3 years	5,064			2,013
	Leasehold improvements	Shorter of lease term	4,568			3,550
		or useful life
	Construction in progress		305			532
	Property and equipment, gross		27,539			22,066
	Less: Accumulated depreciation and amortization		(11,952		)	(9,278		)
	Property and equipment, net		$	15,587		$	12,788
	Depreciation and amortization was approximately $4.2 million, $2.2 million and $1.6 million for the years ended December 31, 2013, 2012 and 2011, respectively. During the years ended December 31, 2013, 2012 and 2011, the Company disposed of approximately $1.5 million, $0.8 million and $3.2 million, respectively, of fully depreciated assets. As of December 31, 2013 and 2012, the Company had approximately $3.8 million and $4.2 million, respectively, of fully depreciated assets in use.
	Software includes approximately $0.4 million related to the acquisition and implementation of a new enterprise resource planning system during the year ended December 31, 2012. Also during the years ended December 31, 2013 and 2012, the Company capitalized internal-use software development costs of approximately $3.1 million and $2.0 million, respectively, related to its cloud-based offerings. During the years ended December 31, 2013 and 2012, approximately $1.7 million and $0.9 million, respectively, of capitalized internal-use software development cost were subject to amortization. Included in accumulated depreciation and amortization is approximately $0.5 million and $0.1 million, respectively, of amortization related to capitalized internal-use software development costs.

Fair_Value_Measurements

Fair Value Measurements	12 Months Ended
	Dec. 31, 2013
Fair Value Disclosures [Abstract]	'
Fair Value Disclosures [Text Block]	'
	Fair value measurements
	The Company adopted fair value measurements guidance for financial and nonfinancial assets and liabilities. The guidance defines fair value, establishes a framework for measuring fair value in GAAP and expands disclosures about fair value measurements.
	The guidance defines fair value as the price that would be received to sell an asset, or paid to transfer a liability, in an orderly transaction between market participants. The guidance establishes a fair value hierarchy for valuation inputs that gives the highest priority to quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. The fair value hierarchy is as follows:
	Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities;
	Level 2: Quoted prices for similar assets or liabilities in markets that are not active or inputs which are observable, either directly or indirectly, for substantially the full term of the asset or liability; and
	Level 3: Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported by little or no market activity).
	A portion of the Company’s existing cash and cash equivalents are invested in short-term interest bearing obligations with original maturities less than 90 days, principally various types of money market funds. In addition, the Company had short-term investments consisting of certificates of deposit. The Company does not enter into investments for trading or speculative purposes.
	At December 31, 2013 and 2012, the Company had approximately $21.0 million and $58.0 million invested in treasury money market funds, respectively. These investments are required to be measured at fair value on a recurring basis. The fair value of these accounts is determined based on quoted market prices, which represents level 1 in the fair value hierarchy. The Company's diversified money market funds, treasury money market funds and short term investments have a fair value that is not materially different from its carrying amount.

Stockholders_Equity

Stockholders Equity	12 Months Ended
	Dec. 31, 2013
Stockholders' Equity Attributable to Parent [Abstract]	'
Stockholders' Equity Note Disclosure [Text Block]	'
	Stockholders’ equity
	Stock repurchase
	On August 25, 2008, the Company’s Board of Directors approved a stock repurchase program that authorized the Company to purchase up to $15.0 million of the Company’s outstanding shares of common stock. Under the board-approved repurchase program, share purchases may be made from time to time in the open market or through privately negotiated transactions depending on market conditions, share price, trading volume and other factors, and such purchases, if any, will be made in accordance with applicable insider trading and other securities laws and regulations. These repurchases may be commenced or suspended at any time or from time to time without prior notice.
	The Company did not repurchase any shares under this plan for the years ended December 31, 2013 and 2012. The remaining amount available to purchase common stock under this plan was $10.0 million as of December 31, 2013.

Noncash_Sharebased_Compensatio

Noncash Share-based Compensation	12 Months Ended
	Dec. 31, 2013
Noncash Share-based Compensation [Abstract]	'
Noncash Share-based Compensation	'
	Noncash share based compensation
	Employee noncash share based compensation plans:
	The Company has two noncash share based compensation plans; the 1999 Stock Plan and the 2007 Stock Plan. These plans authorize the discretionary granting of various types of stock awards to key employees, officers, directors and consultants. The discretionary issuance of stock awards generally contains vesting provisions ranging from one to four years.
	1999 Stock Plan. Under the 1999 Stock Plan, the Company is authorized to grant options to purchase shares of common stock to its employees, directors and consultants at the Company’s discretion. The Company’s 1999 Stock Plan was terminated in March 2007 for purposes of granting any future equity awards. There were issued and outstanding stock options to purchase 33,325 shares of the Company’s common stock under the 1999 Stock Plan as of December 31, 2013.
	2007 Stock Plan. The Company’s 2007 Stock Plan was adopted in March 2007. The purpose of the 2007 Stock Plan is to promote the Company’s long-term growth and profitability. The 2007 plan is intended to make available incentives that will help the Company to attract, retain and reward employees whose contributions are essential to its success. Under the 2007 Stock Plan, the Company’s employees, officers, directors and other individuals providing services to the Company or any of its affiliates are eligible to receive awards. The 2007 Stock Plan has an evergreen provision that allows for an annual increase equal to the lesser of (i) 3.5% of the Company’s outstanding shares (ii) 900,000 shares or (iii) any lesser amount determined by the Compensation Committee of the Board of Directors. The Company may provide these incentives through the grant of: (i) restricted stock awards; (ii) restricted stock unit awards; (iii) stock options; (iv) stock appreciation rights; (v) phantom stock; and (vii) performance awards.
	In February 2012, the Company increased the number of shares available to grant by 900,000 under the evergreen provision in the Company’s 2007 Stock Plan, increasing the number shares reserved for issuance to 7,268,000. As of December 31, 2013, the Company had outstanding equity awards to acquire 3,893,482 shares of its common stock held by the Company’s employees, directors and consultants under the 2007 Stock Plan. Included in the outstanding equity awards are 1,160,464 of stock options, 1,542,990 RSUs, 721,028 SARs and 469,000 MSUs held by the Company’s employees, directors and consultants. As of December 31, 2013, 466,611 shares remain available for grant under the 2007 Stock Plan. As of December 31, 2013, there were no restricted stock awards or phantom stock issued under the 2007 Stock Plan.
	Noncash share based compensation expense for all noncash share based payment awards granted is determined based on the grant-date fair value of the award. The Company recognizes compensation expense, net of estimated forfeitures, which represents noncash share based awards expected to vest on a straight-line basis over the requisite service period of the award, which is generally the vesting term. Noncash share based awards typically vest over four years. Stock options are generally granted for a ten-year term. The Company estimates forfeiture rates based on its historical experience for grant years where the majority of the vesting terms have been satisfied. Changes in estimated forfeiture rates are recognized through a cumulative catch-up adjustment in the period of change and thus impact the amount of noncash share based compensation expense to be recognized in future periods.
	Noncash share based compensation expense is allocated to expense categories on the Consolidated Statements of Comprehensive Income. The following table summarizes noncash share based compensation expense, net of amounts capitalized, for the years ended December 31, 2013, 2012 and 2011.
		For the Year Ended December 31,
		2013				2012			2011
	Share-based compensation:
	Cost of revenue:
	License and implementation	$	2,071			$	1,451		$	1,201
	Total included in cost of revenue	2,071				1,451			1,201
	Operating expenses:
	Selling, marketing, general and administrative	10,889				6,273			4,038
	Research and development	3,139				1,921			1,593
	Total included in operating expenses	14,028				8,194			5,631
	Total share-based compensation expense	$	16,099			$	9,645		$	6,832
	At December 31, 2013, there was an estimated $29.4 million of total unrecognized compensation costs related to noncash share based compensation arrangements. These costs will be recognized over a weighted average period of 3.0 years.
	Stock Options:
	The following table summarizes the Company’s stock option activity for the year ended December 31, 2013:
		Number of			Weighted			Weighted		Aggregate
		shares			average			average		intrinsic
		under option			exercise price			remaining		value (1)
								contractual
								term (year)
	Outstanding, December 31, 2012	1,475			$	11.24
	Granted	0			—
	Exercised	-315			11.66
	Forfeited	0			—
	Expired	0			—
	Outstanding, December 31, 2013	1,160			$	11.12		3.7		$	33,396
	Vested and exercisable at December 31, 2013	1,160			$	11.12		3.7		$	33,396
	(1) 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, 2013 of $39.90 and the grant date fair value.
	For the years ended December 31, 2013 and 2012, respectively, the Company did not grant any stock options. The total intrinsic value of stock options exercised for the years ended December 31, 2013, 2012 and 2011 was $5.2 million, $0.6 million and $1.7 million, respectively.
	RSUs:
	The Company has granted RSUs under the 2007 Stock Plan. Generally, RSUs granted to employees, directors and consultants vest in equal annual installments over a one to four year period from the grant date. At December 31, 2013 there were 1,542,990 shares related to RSUs outstanding and unvested.
	The following table summarizes the Company's unvested RSUs as of December 31, 2013, and changes during the year then ended, is as follows:
		Number of			Weighted			Weighted		Aggregate
		shares			average			average		intrinsic value
					grant date			remaining		-1
					fair value			contractual
								term (year)
	Unvested at December 31, 2012	1,183			$	15.55
	Granted	851			20.08
	Vested	(405	)		14.35
	Forfeited	(86	)		17.53
	Unvested at December 31, 2013	1,543			$	18.25		5.3		$	61,565
	Expected to vest at December 31, 2013	1,500			$	18.21		5.3		$	59,843
	(1) The aggregate intrinsic value was calculated based on the fair value of the Company’s common stock on December 31, 2013 of $39.90.
	The weighted average grant-date fair value of the RSUs granted during the years ended December 31, 2013, 2012 and 2011 was $20.08, $18.65 and $14.13, respectively.
	SARs:
	The Company has granted SARs under the 2007 Stock Plan. The SARs will be settled in stock at the time of exercise and vest four years from the date of grant subject to the recipient’s continued employment with the Company. The number of shares issued upon the exercise of the SARs is calculated as the difference between the share price of the Company’s stock on the date of exercise and the date of grant multiplied by the number of SARs divided by the share price on the exercise date.
	The following table summarizes the Company's SARs activity for the year ended December 31, 2013:
		Stock			Weighted			Weighted		Aggregate
		appreciation			average			average		intrinsic value
		rights			exercise price			remaining		-1
								contractual
								term (year)
	Outstanding, December 31, 2012	790			$	10.66
	Granted	—			—
	Exercised	(64	)		9.84
Forfeited	(3	)		10.02
Expired	(2	)		11.42
Outstanding, December 31, 2013	721			$	10.74		6.8		$	21,028
Exercisable at December 31, 2013	551			$	10.61		6.8		$	16,143
Vested and expected to vest at December 31, 2013	721			$	10.74		6.8		$	21,028
(1) 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, 2013 of $39.90 and the exercise price of the underlying SARs.
The Company did not grant SARs in 2013 and 2012. The weighted average grant date fair value of SARs granted during the years ended December 31, 2011 was $11.42.
All outstanding SARs granted by the Company had a fair market value assigned at the grant date based on the use of the Black-Scholes option pricing model. Significant assumptions used in the Black-Scholes option pricing model for SARs granted in 2011 are as follows:
	For The Year Ended December 31, 2011
Volatility	61%
Risk-free interest rate	2.11%
Expected option life in years	4.4
Dividend yield	—
MSUs:
In 2013 and 2012, the Company granted MSUs to certain executives and senior level employees. The MSUs are performance-based awards that vest based upon the Company’s relative shareholder return. The actual number of MSUs that will be eligible to vest is based on the total shareholder return of the Company relative to the total shareholder return of the Russell 2000 Index (“Index”) over a three year period ending December 31, 2015 (“Performance Period”) and a two year period ending December 31, 2013, respectively. The MSUs vest on January 1, 2016 and January 1, 2014, respectively, and the maximum number of shares issuable upon vesting is 200% of the MSUs initially granted. The Company did not grant any MSUs in 2011.
	Number of			Weighted			Weighted			Aggregate
	unvested awards			average			average			intrinsic
				grant date fair value			remaining			value (1)
							contractual
							term (year)
Unvested at December 31, 2012	205			26.08
Granted	270			$	40.58		—			—
Exercised	—			—
Forfeited	(6	)		40.58
Expired	—			—
Unvested at December 31, 2013	469			$	34.24		8.1			$	18,713
(1) 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, 2013 of $39.90 and the grant date fair value of the underlying MSUs.
The Company estimates the fair value of MSUs on the date of grant using a Monte Carlo simulation model. The determination of fair value of the MSUs is affected by the Company's stock price and a number of assumptions including the expected volatilities of the Company's stock and the Index, its risk-free interest rate and expected dividends. The Company's expected volatility at the date of grant was based on the historical volatilities of the Company and the Index over the Performance Period. The Company did not estimate a forfeiture rate for the MSUs due to the limited size, the vesting period and nature of the grantee population and the lack of history of granting this type of award.
Significant assumptions used in the Monte Carlo simulation model for MSUs granted during December 31, 2013 and 2012 are as follows:
	For the Year Ended December 31,
	2013		2012
Volatility	57%		61%
Risk-free interest rate	0.35%		0.28%
Expected option life in years	2.84		1.9
Dividend yield	—		—

Income_Tax_Disclosure

Income Tax Disclosure	12 Months Ended
	Dec. 31, 2013
Income Tax Disclosure [Abstract]	'
Income Tax Disclosure [Text Block]	'
	Income taxes
	The income tax provision (benefit) consisted of the following for the years ended December 31, 2013, 2012 and 2011:
		Year Ended December 31,
		2013				2012			2011
	Current:
	Federal	$	2,444			$	2,015		$	1,406
	State and Foreign	160				74			548
		2,604				2,089			1,954
	Deferred:
	Federal	(2,651		)		1,030			310
	State	(126		)		(68		)	20
	Income tax provision (benefit)	$	(173	)		$	3,051		$	2,284
	The differences between the effective tax rates reflected in the total provision for income taxes and the U.S. federal statutory rate of 34% for the years ended December 31, 2013, 2012 and 2011, respectively, were as follows:
		Year Ended December 31,
		2013				2012			2011
	Provision at the U.S. federal statutory rate	$	1,113			$	2,726		$	3,022
	Increase (decrease) resulting from:
	State income taxes, net of federal taxes	(583		)		(84		)	94
	Nondeductible expenses	235				214			208
	Acquisition-related expense	606				—			—
	Domestic production activities	(47		)		(146		)	(118		)
	Nondeductible noncash share based compensation	1,308				622			—
	Incremental benefits from prior years' tax credits	(1,254		)		(439		)	—
	Incremental benefits for tax credits	(2,030		)		—			(878		)
	Change in tax rate/income subject to lower tax rates and other	(30		)		158			(44		)
	Change in valuation allowance	509				—			—
		$	(173	)		$	3,051		$	2,284
	The Company’s historical effective tax rate has been lower than the statutory rate of 34% largely due to the application of the R&E tax credit. The Company’s effective tax rate was a benefit of (5)% for the year ended December 31, 2013 and a provision of 38% and 26% for the years ended December 31, 2012 and 2011, respectively.
	As of December 31, 2013 and 2012, the Company had an income tax receivable of approximately $0.6 million and $0.4 million, respectively, which is classified as prepaid and other current assets in the accompanying Consolidated Balance Sheet. As of December 31, 2013 and 2012, the Company had approximately $0.1 million and $0.1 million of foreign tax credits (“FTC”) arising from foreign taxes paid.
	The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and liabilities as of December 31, 2013 and 2012 are as follows:
		Year Ended December 31,
		2013				2012
	Current deferred tax asset (liability):
	State deferred	$	(7	)		$	2
	Accruals not currently deductible	(191		)		(49		)
	Current deferred revenue	2,601				—
	Total current deferred tax (liability) asset	2,403				(47		)
	Less: valuation allowance	(270		)		—
	Total current deferred tax (liability) asset	2,133				(47		)
	Noncurrent deferred tax asset (liability):
	Property and equipment	(1,786		)		(1,736		)
	Noncash share based compensation	7,808				6,081
	State deferred	292				240
	Capitalized software	(1,541		)		—
	Amortization	(2,366		)		—
	R&D carryforwards	2,708				—
	Deferred revenue	431				—
	Federal NOLs	4,724				—
	State NOLs	813				—
	State Credits	509				—
	Total noncurrent deferred tax assets	11,592				4,585
	Less: valuation allowance	(1,087		)		—
	Total noncurrent deferred tax assets	10,505				4,585
	Total net deferred tax asset	$	12,638			$	4,538
	The current net deferred tax asset (liability) and noncurrent net deferred tax asset (liability) are classified as prepaids and other current assets, other long term assets and other current liabilities, respectively, in the accompanying Consolidated Balance Sheets.
	The Company has federal and state net operating loss carryforwards pursuant to the acquisition of SignalDemand.  Internal Revenue Code Section 382 ("Section 382") places certain limitations on the annual amount of net operating loss carryforwards that can be utilized when a change of ownership occurs. We believe the acquisition of SignalDemand was a change in ownership pursuant to Section 382. As a result of the annual limitation, the federal and state net operating loss carryforward amount available to be used in future periods is approximately $14 million each and will begin to expire in 2029. As of December 31, 2013, the Company determined it was more likely than not that certain of our state net operating loss carryforwards available for use subject to apportionment would not be utilized before expiration and the Company established a valuation allowance against the state net operating loss carryforward.
	For the years ended December 31, 2013, 2012 and 2011, the Company had $0.3 million, $0.4 million and $0.1 million respectively, of unrecognized tax benefits which, if recognized, would impact our effective tax rate. The Company has accrued $0.03 million, $0.01 million, $0.01 million for the payment of interest and penalties as of December 31, 2013, 2012 and 2011. The Company believes that it is reasonably possible that there will be no change in our unrecognized tax benefits within the next twelve months. The Company is currently under examination for the 2009 U.S. federal income tax return, of which an unrecognized tax benefit has been recorded.  The Company files tax returns in the United States federal jurisdiction and various state and foreign jurisdictions. The Company is subject to U.S. federal income tax examination for the calendar tax years 2010, 2011 and 2012 and state and foreign income tax examination for various years depending on the statutes of limitation of those jurisdictions.
	The following table sets forth the changes to the Company's unrecognized tax benefit for the year ended December 31, 2013, 2012 and 2011:
			Year Ended December 31,
			2013				2012			2011
	Beginning Balance		$	350			$	126		$	126
	Changes based on tax positions related to prior year		(19		)		224			—
	Ending Balance		$	331			$	350		$	126

Credit_Facility

Credit Facility	12 Months Ended
	Dec. 31, 2013
Credit Facility Disclosure [Abstract]	'
Debt Disclosure [Text Block]	'
	Credit Facility
	In July 2012, the Company, through its wholly owned subsidiary PROS, Inc., entered into a $50 million secured Credit Agreement (the "Revolver") with Wells Fargo Bank, N.A. (“Wells Fargo”).
	The Revolver is for a five year term, with interest paid at the end of the applicable one month, three month or six month interest period at a rate per annum equal to LIBOR plus an applicable margin of 1.5% to 2.25% or the Federal Funds Rate plus an applicable margin of 1.5% to 2.25%. Borrowings under the Revolver are collateralized by a first priority interest in and lien on all of the Company's material assets.
	The Revolver contains affirmative and negative covenants, including covenants which restrict the ability of the Company to, among other things, create liens, incur additional indebtedness and engage in certain other transactions, in each case subject to certain exclusions. In addition, the Revolver contains certain financial covenants which become effective in the event the Company's availability under the revolver plus cash and cash equivalents falls below $20 million or upon the occurrence of an event of default. As of December 31, 2013, the Company was in compliance with all financial covenants in the Revolver.
	As of December 31, 2013 and 2012, $0.2 million and $0.3 million of unamortized debt issuance costs related to the Revolver is included in other long term assets in the consolidated balance sheets. For the year ended December 31, 2013 and 2012, $50,000 and $25,000, respectively, of debt issuance cost amortization is included in Other Expense (Income), net in the consolidated statements of comprehensive income.
	As of December 31, 2013, the Company had no outstanding borrowings under the Revolver.

Commitments_and_Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]	'
Commitments and Contingencies	'
	Commitments and contingencies
	Litigation:
	In the ordinary course of the Company’s business, the Company regularly becomes involved in contract and other negotiations and, in more limited circumstances, becomes involved in legal proceedings, claims and litigation. The outcomes of these matters are inherently unpredictable. The Company is not currently involved in any outstanding litigation that it believes, individually or in the aggregate, will have a material adverse effect on its business, financial condition, results of operations or cash flows.
	Indemnification:
	The Company’s software license agreements generally include certain provisions for indemnifying customers against liabilities if the Company’s software solutions infringe a third party’s intellectual property rights. To date, the Company has not incurred any losses as a result of such indemnifications and has not accrued any liabilities related to such obligations in the Company’s Consolidated Financial Statements.
	Lease commitments:
	The Company leases office space and office equipment under noncancelable operating leases that expire at various dates. The Company incurred approximately $2.1 million, $2.0 million and $1.3 million of total rent expense for the years ended December 31, 2013, 2012 and 2011, respectively. As of December 31, 2013, the future minimum lease commitments related to lease agreements were as follows:
	Year Ending December 31,	Amount
	2014	$	2,544
	2015	2,071
	2016	1,200
	2017	—
	2018 and thereafter	—
	Total minimum lease payments	$	5,815
	The Company had no capital leases at December 31, 2013 and 2012.
	Our headquarters are located in Houston, Texas, where we lease approximately 90,000 square feet of office space. We also have small regional office in Austin, Texas; San Francisco, California; London, United Kingdom and Munich, Germany. In July 2011, the Company entered into a third amendment to its corporate office lease in Houston, TX (the “Third Lease Amendment”).  The Third Lease Amendment, among other things, provides for a five year extension, until September 30, 2016, and an increase in the square footage. The Third Lease Amendment has two options to extend the term of the lease for an additional 72 months. Also, the Third Lease Amendment provides for an early termination at any time after July 31, 2013. In June 2012, the Company entered into a fourth amendment to its corporate office lease in Houston, TX which increased the square footage of the corporate offices to approximately 90,000 square feet.
	In August 2012, the Company entered into a ten year lease for approximately 3,100 square feet of office space in London, United Kingdom. The lease provides an option to terminate the lease in August 2015.
	In June 2011, the Company entered into a five year lease for approximately 3,300 square feet of office space in Austin, Texas. This lease expires in September 2016.
	As part of the SignalDemand acquisition, the Company assumed a lease for approximately 6,600 square feet of office in San Francisco, California. This lease expires in November 2015.
	The Company believes its existing facilities are sufficient for its current needs. The Company may add new facilities and expand its existing facilities as it adds employees, and it believes that suitable additional or substitute space will be available as needed to accommodate any such expansion of its operations.

Segments

Segments	12 Months Ended
	Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]	'
Segment Reporting Disclosure [Text Block]	'
	Segment and geographic information
	Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated on a regular basis by the chief operating decision-maker, or decision making group, in deciding how to allocate resources to an individual segment and in assessing performance of the segment. In addition, the Company’s assets are primarily located in its corporate office in the United States. Although the Company sells its pricing and revenue management software to customers in several industries and geographies, the Company does not produce reports for, assess the performance of, or allocate resources to these industries or regions based upon any asset-based metrics, or based upon income or expenses, operating income or net income. Therefore, the Company believes that it operates in one segment, sales, pricing and revenue management software.
	Revenue by Geography:
	The Company does not assess the profitability of its geographic regions and accordingly does not attempt to comprehensively assign or allocate costs to these regions. In addition, as the Company’s assets are primarily located in its corporate office in the United States and not allocated to any specific region, the Company does not produce reports for, or measure the performance of, its geographic regions based on any asset-based metrics.
	International revenue for the years ended December 31, 2013, 2012 and 2011, amounted to approximately $79.8 million, $66.2 million and $62.0 million, respectively, representing 55%, 56% and 64%, respectively, of annual revenue.
	The following geographic information is presented for the years ended December 31, 2013, 2012 and 2011. The Company categorizes geographic revenues based on the location of the customer’s headquarters.
		Year Ended December 31,
		2013				2012				2011
		Revenue		Percent		Revenue		Percent		Revenue		Percent
	The Americas:
	United States of America	$	65,072	45	%	$	51,631	44	%	$	34,643	36	%
	Other	12,222		8	%	5,457		5	%	7,863		8	%
	Subtotal	77,294		54	%	57,088		49	%	42,506		44	%
	Europe	33,666		23	%	31,545		27	%	26,608		28	%
	Asia Pacific	22,411		15	%	15,356		13	%	17,788		18	%
	The Middle East	9,840		7	%	10,914		9	%	7,275		8	%
	Africa	1,626		1	%	2,888		2	%	2,462		2	%
	Total revenue	$	144,837	100	%	$	117,791	100	%	$	96,639	100	%

Concentrations_of_Risk

Concentrations of Risk	12 Months Ended
	Dec. 31, 2013
Risks and Uncertainties [Abstract]	'
Concentration Risk Disclosure [Text Block]	'
	Concentrations of credit risk
	For the years ended December 31, 2013, 2012 and 2011, no customer accounted for 10% or more of revenue. For the year ended December 31, 2013, one customer accounted for 10.9% of accounts receivables.
	The Company’s cash and cash equivalents and short-term investments on deposit with any one party and at any point in time may exceed federally insured limits. To date, the Company has not incurred any losses in connection with short-term investments.

Related_Party_Transaction

Related Party Transaction	12 Months Ended
	Dec. 31, 2013
Related Party Transactions [Abstract]	'
Related Party Transactions Disclosure [Text Block]	'
	Related-party transactions
	The Company currently has employment agreements with its executive officers. The employment agreements provide for six months to one and one half years of salary upon termination without cause or, in some cases, for good reason and the vesting of certain stock options or other equity awards.

Employment_Retirement_Savings

Employment Retirement Savings	12 Months Ended
	Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]	'
Defined Benefit Plan Disclosure [Line Items]	'
	Employee retirement savings plan
	The Company sponsors a 401(k) savings plan ("401(k) Plan"). The 401(k) Plan is available to substantially all United States employees and is designed to provide eligible employees with an opportunity to make regular contributions to a long-term investment and savings program. Historically, the Company’s matching contribution is defined as 50% of the first 6% of employee contributions. The Company may also make discretionary contributions. Matching contributions by the Company in 2013, 2012 and 2011 totaled approximately $1.1 million, $1.0 million and $0.3 million, respectively.

Quarterly_Results

Quarterly Results	12 Months Ended
	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]	'
Quarterly Financial Information [Text Block]	'
	Quarterly results (Unaudited)
	The following table presents certain unaudited quarterly financial data for the years ended December 31, 2013 and 2012. This information has been prepared on the same basis as the accompanying Consolidated Financial Statements and all necessary adjustments have been included in the amounts below to state fairly the selected quarterly information when read in conjunction with the accompanying Consolidated Financial Statements and notes thereto.
		Quarter Ended
		December 31,		September 30,		June 30,		March 31,
		2013		2013		2013		2013
	Total revenue	$	38,871	$	36,813	$	35,527	$	33,626
	Gross profit	$	28,101	$	25,787	$	24,741	$	23,073
	Income from operations	$	409	$	1,395	$	780	$	689
	Net income	$	139	$	993	$	580	$	1,734
	Net earnings attributable to common stockholders per share:
	Basic	$	—	$	0.04	$	0.02	$	0.06
	Diluted	$	—	$	0.03	$	0.02	$	0.06
		Quarter Ended
		December 31,		September 30,		June 30,		March 31,
		2012		2012		2012		2012
	Total revenue	$	32,723	$	29,913	$	28,134	$	27,021
	Gross profit	$	23,045	$	21,244	$	20,634	$	19,100
	Income from operations	$	2,261	$	1,812	$	1,979	$	2,151
	Net income	$	1,424	$	1,356	$	995	$	1,191
	Net earnings attributable to common stockholders per share:
	Basic	$	0.05	$	0.05	$	0.04	$	0.04
	Diluted	$	0.05	$	0.05	$	0.04	$	0.04

Subsequent_Events

Subsequent Events	12 Months Ended
	Dec. 31, 2013
Subsequent Events [Abstract]	'
Subsequent Events [Text Block]	'
	Subsequent Events
	On October 24, 2013, the Company entered into a tender offer agreement with Cameleon Software ("Cameleon"), a French software company listed on the NYSE Euronext exchange, indicating the Company's intent to acquire Cameleon through the tender offer for all of the outstanding share capital of Cameleon in an all-cash transaction valued at approximately €24 million (U.S. $33 million), net of cash expected to be acquired. The Cameleon board unanimously recommended this tender offer. Completion of the tender offer was subject to, among other things, clearance of the tender offer by the Autorité des Marchés Financiers (AMF), and Cameleon shareholders tendering at least 65% of Cameleon’s freely tradeable shares and warrants in the tender offer (Minimum Condition). As part of the tender offer, the Company placed approximately $40 million in an escrow to fund the acquisition, which is included in current restricted cash as of December 31, 2013. These funds were unavailable to the Company for other uses until the successful closing of the tender offer, the failure of the tender offer in accordance with its terms or the AMF's rejection of the tender offer, whichever first occurs.
	On January 8, 2014, the Company announced that this tender offer for Cameleon was successful based on the results published by the AMF on January 2, 2014 confirming the Company surpassed the Minimum Condition. Given the commitments from Cameleon’s management with respect to their Cameleon free shares, the Company controls a total of 83.4% of Cameleon’s capital and 94.0% of Cameleon’s warrants outstanding.

Schedule_II_Valuation_and_Qual

Schedule II - Valuation and Qualifying Accounts	12 Months Ended
	Dec. 31, 2013
Valuation and Qualifying Accounts [Abstract]	'
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]	'
	Schedule II
	Valuation and Qualifying Accounts
		Balance at		Additions		Deductions			Other (3)		Balance at
		beginning		charged to							end of
		of period		costs and							period
				expenses
	Allowance for doubtful accounts (1)
	2013	$	760	$	369	$	(69	)	$	—	$	1,060
	2012	$	1,130	$	—	$	(370	)	$	—	$	760
	2011	$	1,020	$	268	$	(158	)	$	—	$	1,130
	Valuation allowance (2)
	2013	$	—	$	509	$	—		$	848	$	1,357
	2012	$	—	$	—	$	—		$	—	$	—
	2011	$	—	$	—	$	—		$	—	$	—
	(1) Deductions column represents the reversal of additions previously charged to costs and expenses and uncollectible accounts written off, net of recoveries.
	(2) Deductions column represents the utilization of deferred tax assets that previously had a valuation allowance for deferred tax assets.
	(3) Additions represent valuation allowance adjustments recorded as part of the purchase accounting allocation related to the SignalDemand acquisition.

Summary_of_Significant_Account1

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	'
	Principles of consolidation and basis of presentation
	The Consolidated Financial Statements include the accounts of PROS Holdings, Inc., and its wholly-owned subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation. The Consolidated Financial Statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”).
Dollar amounts	'
	Dollar amounts
	The dollar amounts presented in the tabular data within these footnote disclosures are stated in thousands of dollars, except per unit amounts, or as noted within the context of each footnote disclosure.
Use of estimates	'
	Use of estimates
	The Company’s management makes estimates and assumptions in the preparation of its audited Consolidated Financial Statements in conformity with GAAP. These estimates and assumptions may affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the audited Consolidated Financial Statements and the reported amounts of revenue and expense during the reporting periods. Actual results could differ from those estimates. The complexity of the estimation process and issues related to the assumptions, risks and uncertainties inherent in the application of the percentage-of-completion method of revenue recognition affects the amount of revenue, expenses, unbilled receivables and deferred revenue. Numerous internal and external factors can affect estimates. Estimates are also used for, but not limited to, receivables, allowance for doubtful accounts, useful lives of assets, depreciation and amortization, the fair value of assets acquired and liabilities assumed for business combinations, income taxes and deferred tax asset valuation, valuation of stock options, other current liabilities and accrued liabilities.
Cash and Cash Equivalents, Policy [Policy Text Block]	'
	Cash and cash equivalents
	The Company considers all highly liquid investments with an original maturity of three months or less at the time of purchase to be cash equivalents. The Company has a cash management program that provides for the investment of excess cash balances, primarily in short-term money market instruments.
Fair Value of Financial Instruments, Policy [Policy Text Block]	'
	Financial instruments
	The carrying amount of the Company’s financial instruments, which include cash equivalents, short-term investments, receivables and accounts payable, approximates their fair values at December 31, 2013 and 2012. For additional information on the Company’s fair value measurements, see Note 8 to the Consolidated Financial Statements.
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]	'
	Prepaid expenses and other assets
	Prepaid expenses and other assets consist primarily of short-term deferred tax assets, prepaid income taxes, deferred project costs and prepaid third-party license fees.
Property, Plant and Equipment, Policy [Policy Text Block]	'
	Property and equipment, net
	Property and equipment are recorded at cost, less accumulated depreciation. Maintenance, repairs and minor replacements are charged to expense as incurred. Significant renewals and betterments are capitalized. Depreciation on property and equipment, with the exception of leasehold improvements, is recorded using the straight-line method over the estimated useful lives of the assets. Depreciation on leasehold improvements is recorded using the shorter of the lease term or useful life. When property is retired or disposed of, the cost and related accumulated depreciation are removed from the accounts and any resulting gains or losses are reflected in the Consolidated Statements of Comprehensive Income in the period of disposal.
Internal-use software	'
	Internal-use software
	Costs incurred to develop internal-use software during the application development stage are capitalized, stated at cost, and depreciated using the straight-line method over the estimated useful lives of the assets. Application development stage costs generally include salaries and personnel costs and third party contractor expenses associated with internal-use software configuration, coding, installation and testing. Capitalized internal-use software is included in property and equipment, net in the Consolidated Balance Sheets.
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]	'
	Impairment of long-lived assets
	Property and equipment are reviewed for impairment whenever an event or change in circumstances indicates that the carrying amount of an asset or group of assets may not be recoverable. The impairment review includes comparison of future cash flows expected to be generated by the asset or group of assets with the associated assets’ carrying value. If the carrying value of the asset or group of assets exceeds its expected future cash flows (undiscounted and without interest charges), an impairment loss is recognized to the extent that the carrying amount of the asset exceeds its fair value. The Company has not recorded any impairment charges in any of the years ended December 31, 2013, 2012 and 2011.
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]	'
	Intangible Assets and Goodwill
	Intangible assets that have finite lives are amortized over their useful lives and are reviewed 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 reevaluates 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 would adjust the carrying value of the asset to fair value, generally determined by a discounted cash flow analysis.
	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, 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.
	For the year ended December 31, 2013, the Company adopted ASU No. 2011-08, Intangibles–Goodwill and Other (Topic 350) Testing Goodwill for Impairment. Under ASU 2011-08, 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, 2013, the Company did not identify any indicators of impairment. As such, the two-phase process described above was not necessary.
Research and Development Expense, Policy [Policy Text Block]	'
	Research and development
	Research and development costs for software sold to our customers is expensed as incurred. These costs include salaries and personnel costs, third-party contractor expenses, software development tools, an allocation of facilities and depreciation expenses and other expenses in developing new solutions and upgrading and enhancing existing solutions.
Treasury Stock [Text Block]	'
	Treasury stock
	The Company makes treasury stock purchases in the open market pursuant to the share repurchase program, which was approved by its Board of Directors on August 28, 2008. The Company accounts for the purchase of treasury stock under the cost method. For additional information on the Company’s stock repurchase program, see Note 9 to the Consolidated Financial Statements.
Revenue recognition	'
	Revenue recognition
	The Company derives its revenue from the licensing and implementation of software solutions and associated software maintenance and support. To a lesser extent, the Company’s revenue includes nonsoftware related hosting services. The Company’s arrangements with customers typically include: (a) license fees paid for the use of our solutions either in perpetuity or over a specified term and implementation fees for configuration, implementation and training services and (b) maintenance and support fees related to technical support and software updates. If there is significant uncertainty about contract completion or collectability is not reasonably assured, revenue is deferred until the uncertainty is sufficiently resolved or collectability is reasonably assured. In addition, revenue is recognized when persuasive evidence of an arrangement exists, delivery has occurred and fees are fixed or determinable.
	In determining whether professional services revenue should be accounted for separately from license revenue, the Company evaluates whether the professional services are considered essential to the functionality of the software using factors such as: the nature of its software products; whether they are ready for use by the customer upon receipt; the nature of professional services; the availability of services from other vendors; whether the timing of payments for license revenue coincides with performance of services; and whether milestones or acceptance criteria exist that affect the realizability of the software license fee.
	If the Company determines that professional services revenue should not be accounted for separately from license revenue, the license revenue is recognized together with the professional services revenue using the percentage-of-completion method or completed contract method. The completed contract method is also used for contracts where there is a risk over final acceptance by the customer or for contracts that are short term in nature.
	The percentage-of-completion computation is measured by the percentage of man-days incurred during the reporting period as compared to the estimated total man-days necessary for each contract for implementation of the software solutions. The Company measures performance under the percentage-of-completion method using total man-day method based on current estimates of man-days to complete the project. The Company believes that for each such project, man-days expended in proportion to total estimated man-days at completion represents the most reliable and meaningful measure for determining a project’s progress toward completion. Under our fixed-fee arrangements, should a loss be anticipated on a contract, the full amount is recorded when the loss is determinable.
	The Company also licenses software solutions under term license agreements that typically include maintenance during the license term. When maintenance is included for the entire term of the license, there is no renewal rate and the Company has not established vendor specific objective evidence (“VSOE”) of fair value for the maintenance on term licenses. For term license agreements, revenue and the associated costs are deferred until the delivery of the solution and recognized ratably over the remaining license term. Revenue from term licenses, which is included in license and implementation revenue in the Consolidated Statement of Comprehensive Income, represented approximately 3.6%, 4.8% and 5.8% of total revenue for the years ended December 31, 2013, 2012 and 2011, respectively.
	For arrangements that include hosting and cloud-based services, we allocate the arrangement consideration between the service and other elements and recognize the hosting and cloud-based services fee ratably beginning on the date the customer commences use of our services and continuing through the end of the customer term. Revenue from hosting and cloud-based services, which is included in license and implementation revenue in the Consolidated Statements of Comprehensive Income, represented approximately 2.4%, 2.6% and 2.3% of total revenue for the years ended December 31, 2013, 2012 and 2011, respectively.
	The Company’s customer arrangements typically contain multiple elements that include software license, implementation services and post-implementation maintenance and support. For multiple element arrangements containing our nonsoftware services, the Company must (1) determine whether and when each element has been delivered; (2) determine fair value of each element using the selling price hierarchy of VSOE of fair value, third party evidence (“TPE”), or BESP, as applicable, and (3) allocate the total price among the various elements based on the relative selling price method.
	For multiple-element arrangements that contain software and nonsoftware elements such as the Company's hosting service offerings, we allocate revenue between the software and software related elements as a group and any nonsoftware elements based on a relative fair value allocation.  We determine fair value for each deliverable using this hierarchy and utilize VSOE of fair value if it exists.
	In certain instances, the Company may not be able to establish VSOE for all deliverables in an arrangement with multiple elements. This may be due to infrequently selling each element separately, not pricing solutions or services within a narrow range, or only having a limited sales history. In addition, third party evidence may not be available. When the Company is unable to establish selling prices using VSOE or TPE, it uses BESP in the allocation of arrangement consideration. The objective of BESP is to determine the price at which the Company would transact a sale if the product or service were sold on a stand-alone basis. For transactions that only include software and software-related elements, the Company continues to account for such arrangements under the software revenue recognition standards which require it to establish VSOE of fair value to allocate arrangement consideration to multiple deliverables.
	Maintenance and support revenue includes post-implementation customer support and the right to unspecified software updates and enhancements on a when and if available basis. The Company generally invoices for maintenance and support services on a monthly, quarterly or on an annual basis through the maintenance and support period. The Company recognizes revenue from maintenance arrangements ratably over the period in which the services are provided.
	Software license and implementation revenue that has been recognized, but for which the Company has not invoiced the customer, is recorded as unbilled receivables. Invoices that have been issued before software license, implementation and maintenance and support revenue has been recognized are recorded as deferred revenue in the accompanying consolidated balance sheets.
Foreign Currency Transactions and Translations Policy [Policy Text Block]	'
	Foreign currency
	The Company has contracts denominated in foreign currencies and therefore a portion of the Company’s revenue is subject to foreign currency risks. Gains and losses from foreign currency transactions, such as those resulting from the settlement of receivables, are classified in other (expense) income, net included in the accompanying Consolidated Statements of Comprehensive Income.
	The Company translates assets and liabilities of its foreign subsidiaries, whose functional currency is the U.S. dollar, at exchange rates in effect at the balance sheet date. The Company translates revenue and expenses using the monthly average exchange rate. The Company includes foreign currency translation adjustments in the accompanying Consolidated Statements of Comprehensive Income.
Noncash share-based compensation	'
	Noncash share based compensation
	The Company has two noncash share based compensation plans, the 1999 Equity Incentive Plan ("1999 Stock Plan") and the 2007 Equity Incentive Plan ("2007 Stock Plan"), which authorize the discretionary granting of various types of stock awards to key employees, officers, directors and consultants. The Company’s 1999 Stock Plan was terminated in March 2007 for purposes of granting any future equity awards. The Company’s 2007 Stock Plan was adopted in March 2007. The Company may provide noncash share based compensation through the grant of: (i) restricted stock awards; (ii) restricted stock unit awards; (iii) stock options; (iv) stock appreciation rights; (v) phantom stock; and (vii) performance awards.
	To date, the Company has granted stock options, stock appreciation rights, restricted stock units and market stock units. The Company issues common stock from its pool of authorized stock upon exercise of stock options, settlement of stock appreciation rights and market stock units or upon vesting of restricted stock units. The following table presents the number of awards outstanding for each award type as of December 31, 2013 and 2012:
		Year Ended December 31,
	Award type	2013	2012
	Stock options	1,160	1,475
	Restricted stock units	1,543	1,183
	Stock appreciation rights	721	790
	Market stock units	469	205
	Stock options. The Company did not grant stock options during 2013 and 2012. The fair value of each stock option was estimated on the date of grant using the Black-Scholes option pricing model.
	Restricted stock units. The fair value of the restricted stock units ("RSUs") is based on the closing price of the Company’s stock on the date of grant and is amortized over the vesting period.
	Stock appreciation rights. Stock appreciation rights (“SARs”) will be settled in stock at the time of exercise and vest over four years from the date grant. The Company used the Black-Scholes option pricing model to estimate the fair value of its SARs. The determination of the fair value of SARs utilizing the Black-Scholes model is affected by the Company’s stock price and a number of assumptions, including expected volatility, expected life, deliver risk-free interest rate and expected dividends. The Company estimates the expected volatility of common stock at the date of grant based on a combination of its historical volatility and the average volatility of comparable companies. The expected life of the SARs noncash share based payment awards is a historical weighted average of the expected lives of similar securities of comparable public companies. The risk-free interest rate assumption is based on observed interest rates appropriate for the terms of the Company’s awards. The dividend yield assumption is based on our expectation of paying no dividends.
	Market stock units. The market stock units ("MSUs") are performance-based awards that vest based upon the Company’s relative shareholder return. The actual number of MSUs that will be eligible to vest is based on the total shareholder return of the Company relative to the total shareholder return of the Russell 2000 Index (“Index”) over a two or three year period ending December 31, 2013 and December 31, 2015 (“Performance Period”), respectively. The MSUs granted in 2012 vest on January 1, 2014 and the MSUs granted in 2013 vest on January 1, 2016. The maximum number of shares issuable upon vesting is 200% of the MSUs initially granted based on the average price of our common stock relative to the Index during the Performance Period. The Company estimates the fair value of MSUs on the date of grant using a Monte Carlo simulation model. The determination of fair value of the MSUs is affected by the Company’s stock price and a number of assumptions including the expected volatility of the Company’s stock and the Index, its risk-free interest rate and expected dividends. The Company’s expected volatility at the date of grant was based on the historical volatilities of the Company and the Index over the Performance Period. The Company did not grant any MSUs in 2011.
	As the Company issues stock options and SARs, it evaluates the assumptions used to value our stock option awards and SARs. If factors change and the Company employs different assumptions, noncash share based compensation expense may differ significantly from what has been recorded in the past. If there are any modifications or cancellations of the underlying unvested securities, the Company may be required to accelerate, increase or cancel any remaining unearned noncash share based compensation expense. Future noncash share based compensation expense and unearned noncash share based compensation will increase to the extent that the Company grants additional equity awards to employees.
	At December 31, 2013, there were an estimated $29.4 million of total unrecognized compensation costs related to noncash share based compensation arrangements. These costs will be recognized over a weighted average period of 3.0 years. For further discussion of the Company’s noncash share based compensation plans, see Note 10 to the Consolidated Financial Statements.
Standard Product Warranty, Policy [Policy Text Block]	'
	Product warranties
	The Company generally issues warranties for 90 days from the completion of implementation, depending on the contract, for software licenses and implementation services. In the Company’s experience, warranty costs have been insignificant.
Income taxes	'
	Income taxes
	The Company uses the asset and liability method to account for income taxes, including recognition of deferred tax assets and liabilities for the anticipated future tax consequences attributable to differences between financial statement amounts and their respective tax basis. The Company reviews its deferred tax assets for recovery. A valuation allowance is established when the Company believes that it is more-likely than not that some portion of its deferred tax assets will not be realized. Changes in the valuation allowance from period to period are included in the Company’s tax provision in the period of change.
	The Company accounts for uncertain income tax positions recognized in an enterprise’s financial statements in accordance with the income tax topic of the ASC issued by the FASB. This interpretation requires companies to use a prescribed model for assessing the financial recognition and measurement of all tax positions taken or expected to be taken in its tax returns. This guidance provides clarification on derecognition, classification, interest and penalties, accounting in interim periods, disclosures and transition. For additional information regarding the Company’s income taxes, see Note 11 to the Consolidated Financial Statements.
Earnings per share	'
	Earnings per share
	The Company computes basic earnings (loss) per share by dividing net income (loss) attributable to common stockholders by the weighted average number of common shares outstanding. Diluted earnings (loss) per share is computed by dividing net income (loss) attributable to common stockholders by the weighted average number of common shares and dilutive potential common shares then outstanding. Diluted earnings per share reflect the assumed conversion of all dilutive securities, using the treasury stock method. Dilutive potential common shares consist of shares issuable upon the exercise of stock options, shares of unvested restricted stock units, and settlement of stock appreciation rights. When the Company incurs a net loss, the effect of the Company’s outstanding stock options, stock appreciation rights and restricted stock units are not included in the calculation of diluted earnings (loss) per share as the effect would be anti-dilutive. Accordingly, basic and diluted net loss per share are identical.
Recent accounting pronouncements	'
	Recent accounting pronouncements
	In February 2013, the FASB issued ASU 2013-2, Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. This guidance requires the presentation of the effects on the line items of net income of significant amounts reclassified out of accumulated other comprehensive income, but only if the item reclassified is required under U.S. GAAP to be reclassified to net income in its entirety in the same reporting period. We adopted the standard on January 1, 2013. The adoption did not have an impact on our consolidated financial position, results of operations or cash flows.
	In July 2012, the FASB amended ASC 350, Intangibles — Goodwill and Other. This amendment is intended to simplify how an entity tests indefinite-lived assets other than goodwill for impairment by providing entities with an option to perform a qualitative assessment to determine whether further impairment testing is necessary. The amended provisions were effective for us for the year ended December 31, 2013. This amendment impacts impairment testing steps only, and therefore the adoption did not have an impact on our consolidated financial position, results of operations or cash flows.

Summary_of_Significant_Account2

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]	'
	The following table presents the number of awards outstanding for each award type as of December 31, 2013 and 2012:
		Year Ended December 31,
	Award type	2013	2012
	Stock options	1,160	1,475
	Restricted stock units	1,543	1,183
	Stock appreciation rights	721	790
	Market stock units	469	205

Business_Combination_Tables

Business Combination (Tables)	12 Months Ended
	Dec. 31, 2013
Business Acquisition [Line Items]	'
Schedule of Purchase Price Allocation [Table Text Block]	'
	The total purchase price for SignalDemand has been preliminarily allocated as follows:
	Current assets	$	881
	Deferred tax asset - current	2,752
	Noncurrent assets	193
	Intangibles	8,300
	Goodwill	7,024
	Deferred tax asset - noncurrent	2,572
	Accounts payable and accrued liabilities	(1,534		)
	Deferred revenue	(6,688		)
		$	13,500
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]	'
	The following are the identifiable intangible assets acquired and their respective useful lives:
					Useful Life
		Amount			(years)
	Developed technology	$	4,600		7
	Internally developed technology	160			2
	Customer relationships	3,500			8
	Trade name	40			2
	Total	$	8,300

Goodwill_and_Intangible_Assets1

Goodwill and Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2013
Goodwill [Line Items]	'
Schedule of Goodwill [Table Text Block]	'
	The change in the carrying amount of goodwill for the year ended December 31, 2013 was as follows (in thousands):
	Balance as of December 31, 2012	$	—
	Goodwill acquired	7,024
	Balance as of December 31, 2013	$	7,024
Schedule of Finite-Lived Intangible Assets [Table Text Block]	'
	Intangible assets acquired from business combination consist of the following as of December 31, 2013 (in thousands):
		Useful Life (years)		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	Developed technology	7		$	4,600	$	27	$	4,573
	Internally developed technology	2		160		3		157
	Customer relationships	8		3,500		37		3,463
	Trade name	2		40		1		39
	Total			$	8,300	$	68	$	8,232
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	'
	As of December 31, 2013, the expected future amortization expense for the acquired intangible assets for each of the five succeeding years and thereafter was as follows (in thousands):
	Year Ending December 31,		Amount
	2014		$	1,623
	2015		1,402
	2016		1,147
	2017		1,095
	2018 and thereafter		2,965
	Total amortization expense		$	8,232

Accounts_Receivable_and_Contra1

Accounts Receivable and Contracts in Progress (Tables)	12 Months Ended
	Dec. 31, 2013
Accounts Receivable [Abstract]	'
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	'
	Accounts receivable at December 31, 2013 and 2012, consists of the following:
		December 31,
		2013			2012
	Accounts receivable	$	40,842		$	34,332
	Unbilled receivables	6,784			5,229
	Total receivables	47,626			39,561
	Less: Allowance for doubtful accounts	(1,060		)	(760		)
	Accounts receivable, net	$	46,566		$	38,801
Schedule Of Contracts In Progress [Table Text Block]	'
	Activity related to contracts in progress at December 31, 2013 and 2012, is summarized as follows:
		December 31,
		2013			2012
	Costs and estimated earnings recognized to date	$	221,905		$	228,912
	Progress billings to date	(260,372		)	(265,463		)
	Total	$	(38,467	)	$	(36,551	)
Schedule Of Unbilled Receivables And Deferred Revenue [Table Text Block]	'
	These amounts are included in the accompanying Consolidated Balance Sheets at December 31, 2013 and 2012, as follows:
		December 31,
		2013			2012
	Unbilled receivables	$	6,784		$	5,229
	Deferred revenue	(45,251		)	(41,780		)
	Total	$	(38,467	)	$	(36,551	)

Earnings_per_Share_Table

Earnings per Share (Table)	12 Months Ended
	Dec. 31, 2013
Earnings Per Share [Abstract]	'
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	'
	The following table sets forth the computation of basic and diluted earnings per share:
		For the Year Ended December 31,
		2013		2012		2011
	Numerator:
	Net income attributable to common stockholders	$	3,446	$	4,966	$	6,350
	Denominator:
	Weighted average shares (basic)	28,004		27,366		26,832
	Dilutive effect of stock options, restricted stock units and stock appreciation rights	2,110		1,054		930
	Weighted average shares (diluted)	30,114		28,420		27,762
	Basic earnings per share	$	0.12	$	0.18	$	0.24
	Diluted earnings per share	$	0.11	$	0.17	$	0.23

Property_and_Equipment_net_Tab

Property and Equipment, net (Tables)	12 Months Ended
	Dec. 31, 2013
Property, Plant and Equipment [Abstract]	'
Property, Plant and Equipment [Table Text Block]	'
	Property and equipment, net as of December 31, 2013 and 2012 consists of the following:
			December 31,
		Estimated useful life	2013			2012
	Furniture and fixtures	7-10 years	$	2,423		$	2,371
	Computers and equipment	3-5 years	10,857			9,477
	Software	2-5 years	4,322			4,123
	Capitalized internal-use software development costs	3 years	5,064			2,013
	Leasehold improvements	Shorter of lease term	4,568			3,550
		or useful life
	Construction in progress		305			532
	Property and equipment, gross		27,539			22,066
	Less: Accumulated depreciation and amortization		(11,952		)	(9,278		)
	Property and equipment, net		$	15,587		$	12,788

Noncash_Sharebased_Compensatio1

Noncash Share-based Compensation (Tables)	12 Months Ended
	Dec. 31, 2013
Noncash Share-based Compensation [Abstract]	'
Schedule of Share-based Compensation Expense	'
	Noncash share based compensation expense is allocated to expense categories on the Consolidated Statements of Comprehensive Income. The following table summarizes noncash share based compensation expense, net of amounts capitalized, for the years ended December 31, 2013, 2012 and 2011.
		For the Year Ended December 31,
		2013				2012			2011
	Share-based compensation:
	Cost of revenue:
	License and implementation	$	2,071			$	1,451		$	1,201
	Total included in cost of revenue	2,071				1,451			1,201
	Operating expenses:
	Selling, marketing, general and administrative	10,889				6,273			4,038
	Research and development	3,139				1,921			1,593
	Total included in operating expenses	14,028				8,194			5,631
	Total share-based compensation expense	$	16,099			$	9,645		$	6,832
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]	'
	Stock Options:
	The following table summarizes the Company’s stock option activity for the year ended December 31, 2013:
		Number of			Weighted			Weighted		Aggregate
		shares			average			average		intrinsic
		under option			exercise price			remaining		value (1)
								contractual
								term (year)
	Outstanding, December 31, 2012	1,475			$	11.24
	Granted	0			—
	Exercised	-315			11.66
	Forfeited	0			—
	Expired	0			—
	Outstanding, December 31, 2013	1,160			$	11.12		3.7		$	33,396
	Vested and exercisable at December 31, 2013	1,160			$	11.12		3.7		$	33,396
	(1) 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, 2013 of $39.90 and the grant date fair value.
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]	'
	The following table summarizes the Company's unvested RSUs as of December 31, 2013, and changes during the year then ended, is as follows:
		Number of			Weighted			Weighted		Aggregate
		shares			average			average		intrinsic value
					grant date			remaining		-1
					fair value			contractual
								term (year)
	Unvested at December 31, 2012	1,183			$	15.55
	Granted	851			20.08
	Vested	(405	)		14.35
	Forfeited	(86	)		17.53
	Unvested at December 31, 2013	1,543			$	18.25		5.3		$	61,565
	Expected to vest at December 31, 2013	1,500			$	18.21		5.3		$	59,843
	(1) The aggregate intrinsic value was calculated based on the fair value of the Company’s common stock on December 31, 2013 of $39.90.
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]	'
	The following table summarizes the Company's SARs activity for the year ended December 31, 2013:
		Stock			Weighted			Weighted		Aggregate
		appreciation			average			average		intrinsic value
		rights			exercise price			remaining		-1
								contractual
								term (year)
	Outstanding, December 31, 2012	790			$	10.66
	Granted	—			—
	Exercised	(64	)		9.84
	Forfeited	(3	)		10.02
	Expired	(2	)		11.42
	Outstanding, December 31, 2013	721			$	10.74		6.8		$	21,028
	Exercisable at December 31, 2013	551			$	10.61		6.8		$	16,143
	Vested and expected to vest at December 31, 2013	721			$	10.74		6.8		$	21,028
	(1) 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, 2013 of $39.90 and the exercise price of the underlying SARs.
Schedule of Assumptions Used [Table Text Block]	'
	All outstanding SARs granted by the Company had a fair market value assigned at the grant date based on the use of the Black-Scholes option pricing model. Significant assumptions used in the Black-Scholes option pricing model for SARs granted in 2011 are as follows:
		For The Year Ended December 31, 2011
	Volatility	61%
	Risk-free interest rate	2.11%
	Expected option life in years	4.4
	Dividend yield	—
Schedule of Nonvested Performance-based Units Activity [Table Text Block]	'
		Number of			Weighted			Weighted			Aggregate
		unvested awards			average			average			intrinsic
					grant date fair value			remaining			value (1)
								contractual
								term (year)
	Unvested at December 31, 2012	205			26.08
	Granted	270			$	40.58		—			—
	Exercised	—			—
	Forfeited	(6	)		40.58
	Expired	—			—
	Unvested at December 31, 2013	469			$	34.24		8.1			$	18,713
	(1) 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, 2013 of $39.90 and the grant date fair value of the underlying MSUs.
Market Stock Units Valuation Assumptions [Table Text Block]	'
	Significant assumptions used in the Monte Carlo simulation model for MSUs granted during December 31, 2013 and 2012 are as follows:
		For the Year Ended December 31,
		2013		2012
	Volatility	57%		61%
	Risk-free interest rate	0.35%		0.28%
	Expected option life in years	2.84		1.9
	Dividend yield	—		—

Income_Tax_Disclosure_Tables

Income Tax Disclosure (Tables)	12 Months Ended
	Dec. 31, 2013
Schedule of income tax components [Abstract]	'
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	'
	The income tax provision (benefit) consisted of the following for the years ended December 31, 2013, 2012 and 2011:
		Year Ended December 31,
		2013				2012			2011
	Current:
	Federal	$	2,444			$	2,015		$	1,406
	State and Foreign	160				74			548
		2,604				2,089			1,954
	Deferred:
	Federal	(2,651		)		1,030			310
	State	(126		)		(68		)	20
	Income tax provision (benefit)	$	(173	)		$	3,051		$	2,284
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	'
	The differences between the effective tax rates reflected in the total provision for income taxes and the U.S. federal statutory rate of 34% for the years ended December 31, 2013, 2012 and 2011, respectively, were as follows:
		Year Ended December 31,
		2013				2012			2011
	Provision at the U.S. federal statutory rate	$	1,113			$	2,726		$	3,022
	Increase (decrease) resulting from:
	State income taxes, net of federal taxes	(583		)		(84		)	94
	Nondeductible expenses	235				214			208
	Acquisition-related expense	606				—			—
	Domestic production activities	(47		)		(146		)	(118		)
	Nondeductible noncash share based compensation	1,308				622			—
	Incremental benefits from prior years' tax credits	(1,254		)		(439		)	—
	Incremental benefits for tax credits	(2,030		)		—			(878		)
	Change in tax rate/income subject to lower tax rates and other	(30		)		158			(44		)
	Change in valuation allowance	509				—			—
		$	(173	)		$	3,051		$	2,284
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	'
	The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and liabilities as of December 31, 2013 and 2012 are as follows:
		Year Ended December 31,
		2013				2012
	Current deferred tax asset (liability):
	State deferred	$	(7	)		$	2
	Accruals not currently deductible	(191		)		(49		)
	Current deferred revenue	2,601				—
	Total current deferred tax (liability) asset	2,403				(47		)
	Less: valuation allowance	(270		)		—
	Total current deferred tax (liability) asset	2,133				(47		)
	Noncurrent deferred tax asset (liability):
	Property and equipment	(1,786		)		(1,736		)
	Noncash share based compensation	7,808				6,081
	State deferred	292				240
	Capitalized software	(1,541		)		—
	Amortization	(2,366		)		—
	R&D carryforwards	2,708				—
	Deferred revenue	431				—
	Federal NOLs	4,724				—
	State NOLs	813				—
	State Credits	509				—
	Total noncurrent deferred tax assets	11,592				4,585
	Less: valuation allowance	(1,087		)		—
	Total noncurrent deferred tax assets	10,505				4,585
	Total net deferred tax asset	$	12,638			$	4,538
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]	'
	The following table sets forth the changes to the Company's unrecognized tax benefit for the year ended December 31, 2013, 2012 and 2011:
			Year Ended December 31,
			2013				2012			2011
	Beginning Balance		$	350			$	126		$	126
	Changes based on tax positions related to prior year		(19		)		224			—
	Ending Balance		$	331			$	350		$	126

Commitments_and_Contingencies_

Commitments and Contingencies (Tables)	12 Months Ended
	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]	'
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]	'
	As of December 31, 2013, the future minimum lease commitments related to lease agreements were as follows:
	Year Ending December 31,	Amount
	2014	$	2,544
	2015	2,071
	2016	1,200
	2017	—
	2018 and thereafter	—
	Total minimum lease payments	$	5,815

Segments_Tables

Segments (Tables)	12 Months Ended
	Dec. 31, 2013
Schedule of Geographic Revenue [Abstract]	'
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]	'
	The following geographic information is presented for the years ended December 31, 2013, 2012 and 2011. The Company categorizes geographic revenues based on the location of the customer’s headquarters.
		Year Ended December 31,
		2013				2012				2011
		Revenue		Percent		Revenue		Percent		Revenue		Percent
	The Americas:
	United States of America	$	65,072	45	%	$	51,631	44	%	$	34,643	36	%
	Other	12,222		8	%	5,457		5	%	7,863		8	%
	Subtotal	77,294		54	%	57,088		49	%	42,506		44	%
	Europe	33,666		23	%	31,545		27	%	26,608		28	%
	Asia Pacific	22,411		15	%	15,356		13	%	17,788		18	%
	The Middle East	9,840		7	%	10,914		9	%	7,275		8	%
	Africa	1,626		1	%	2,888		2	%	2,462		2	%
	Total revenue	$	144,837	100	%	$	117,791	100	%	$	96,639	100	%

Quarterly_Results_Quarterly_Fi

Quarterly Results Quarterly Financial Information Disclosures (Tables)	12 Months Ended
	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]	'
Schedule of Quarterly Financial Information [Table Text Block]	'
	The following table presents certain unaudited quarterly financial data for the years ended December 31, 2013 and 2012. This information has been prepared on the same basis as the accompanying Consolidated Financial Statements and all necessary adjustments have been included in the amounts below to state fairly the selected quarterly information when read in conjunction with the accompanying Consolidated Financial Statements and notes thereto.
		Quarter Ended
		December 31,		September 30,		June 30,		March 31,
		2013		2013		2013		2013
	Total revenue	$	38,871	$	36,813	$	35,527	$	33,626
	Gross profit	$	28,101	$	25,787	$	24,741	$	23,073
	Income from operations	$	409	$	1,395	$	780	$	689
	Net income	$	139	$	993	$	580	$	1,734
	Net earnings attributable to common stockholders per share:
	Basic	$	—	$	0.04	$	0.02	$	0.06
	Diluted	$	—	$	0.03	$	0.02	$	0.06
		Quarter Ended
		December 31,		September 30,		June 30,		March 31,
		2012		2012		2012		2012
	Total revenue	$	32,723	$	29,913	$	28,134	$	27,021
	Gross profit	$	23,045	$	21,244	$	20,634	$	19,100
	Income from operations	$	2,261	$	1,812	$	1,979	$	2,151
	Net income	$	1,424	$	1,356	$	995	$	1,191
	Net earnings attributable to common stockholders per share:
	Basic	$	0.05	$	0.05	$	0.04	$	0.04
	Diluted	$	0.05	$	0.05	$	0.04	$	0.04

Summary_of_Significant_Account3

Summary of Significant Accounting Policies Significant Accounting Policies (Details) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of Significant Accounting Policies [Line Items]	'	'	'
percentage of total revenue	100.00%	100.00%	100.00%
Shares issuable upon vesting of MSUs, maximum	200.00%	'	'
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$29.40	'	'
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	'3 years 0 months 4 days	'	'
Term License [Member]	'	'	'
Summary of Significant Accounting Policies [Line Items]	'	'	'
percentage of total revenue	3.60%	4.80%	5.80%
Hosting License [Member] [Member]	'	'	'
Summary of Significant Accounting Policies [Line Items]	'	'	'
percentage of total revenue	2.40%	2.60%	2.30%
December 2013 Market Stock Unit Performance Award [Member]	'	'	'
Summary of Significant Accounting Policies [Line Items]	'	'	'
Total shareholder return period, in years, for vesting of MSUs	'two	'	'
December 2015 Market Stock Unit Performance Award [Member]	'	'	'
Summary of Significant Accounting Policies [Line Items]	'	'	'
Total shareholder return period, in years, for vesting of MSUs	'three	'	'

Summary_of_Significant_Account4

Summary of Significant Accounting Policies Awards Outstanding (Details)	Dec. 31, 2013	Dec. 31, 2012
Stock options	'	'
Awards outstanding [Line Items]	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,160,464	1,475,000
Restricted Stock Units (RSUs) [Member]	'	'
Awards outstanding [Line Items]	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	1,543,000	1,183,000
Stock Appreciation Rights (SARs) [Member]	'	'
Awards outstanding [Line Items]	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	721,000	'
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	721,000	790,000
MSUs	'	'
Awards outstanding [Line Items]	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	469,000	205,000
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	0	205,000

Business_Combination_Details

Business Combination (Details)	12 Months Ended					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Oct. 24, 2013	Oct. 24, 2013	Dec. 31, 2013
	USD ($)	USD ($)	USD ($)	USD ($)	EUR (€)	SignalDemand [Member]
						USD ($)
Business Acquisition [Line Items]	'	'	'	'	'	'
Business Acquisition, Cost of Acquired Entity, Purchase Price	$13,500,000	'	'	$33,000,000	€ 24,000,000	'
Business Combination, Acquisition Related Costs	2,173,000	0	0	'	'	400,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	200,000	'	'	'	'	'
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual	($400,000)	'	'	'	'	'

Business_Combination_Assets_Ac

Business Combination Assets Acquired and Liabilities Assumed (Details)	Dec. 31, 2013	Oct. 24, 2013	Oct. 24, 2013
	USD ($)	USD ($)	EUR (€)
Business Combinations [Abstract]	'	'	'
Business Acquisition, Purchase Price Allocation, Current Assets	$881,000	'	'
Business Acquisition, Purchase Price Allocation, Other Assets	2,752,000	'	'
Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets	193,000	'	'
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	8,300,000	'	'
Business Acquisition, Purchase Price Allocation, Goodwill Amount	7,024,000	'	'
Business Acquisition, Purchase Price Allocation, Deferred Tax Assets, Noncurrent	2,572,000	'	'
Business Acquisition, Purchase Price Allocation, Deferred Taxes Asset (Liability), Net, Noncurrent	5,324,000	'	'
Business Acquisition, Purchase Price Allocation, Current Liabilities, Other Liabilities	-1,534,000	'	'
Business Acquisition, Purchase Price Allocation, Current Liabilities, Deferred Revenue	-6,688,000	'	'
Business Acquisition, Cost of Acquired Entity, Purchase Price	$13,500,000	$33,000,000	€ 24,000,000

Business_Combination_Schedule_

Business Combination Schedule of Intangible Assets Acquired (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]	'
Finite-lived Intangible Assets Acquired	$8,300
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	8,300
Developed Technology Rights [Member]	'
Acquired Finite-Lived Intangible Assets [Line Items]	'
Finite-lived Intangible Assets Acquired	4,600
Finite-Lived Intangible Asset, Useful Life	'7 years
Software and Software Development Costs [Member]	'
Acquired Finite-Lived Intangible Assets [Line Items]	'
Finite-lived Intangible Assets Acquired	160
Finite-Lived Intangible Asset, Useful Life	'2 years
Customer Relationships [Member]	'
Acquired Finite-Lived Intangible Assets [Line Items]	'
Finite-lived Intangible Assets Acquired	3,500
Finite-Lived Intangible Asset, Useful Life	'8 years
Trade Names [Member]	'
Acquired Finite-Lived Intangible Assets [Line Items]	'
Finite-lived Intangible Assets Acquired	$40
Finite-Lived Intangible Asset, Useful Life	'2 years

Business_Combination_Pro_Forma

Business Combination Pro Forma (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition [Line Items]	'	'
Business Acquisition, Pro Forma Revenue	$153,648	$120,345
Business Acquisition, Pro Forma Net Income (Loss)	$1,098	($3,252)

Goodwill_and_Intangible_Assets2

Goodwill and Intangible Assets (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Goodwill and Intangible Assets Disclosure [Abstract]	'	'
Goodwill	$7,024	$0
Business Acquisition, Purchase Price Allocation, Goodwill Amount	7,024	'
Goodwill	$7,024	$0

Goodwill_and_Intangible_Assets3

Goodwill and Intangible Assets Intangible Assets (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]	'
Finite-Lived Intangible Assets, Gross	$8,300
Finite-Lived Intangible Assets, Accumulated Amortization	68
Finite-Lived Intangible Assets, Net	8,232
Developed Technology Rights [Member]	'
Finite-Lived Intangible Assets [Line Items]	'
Finite-Lived Intangible Asset, Useful Life	'7 years
Finite-Lived Intangible Assets, Gross	4,600
Finite-Lived Intangible Assets, Accumulated Amortization	27
Finite-Lived Intangible Assets, Net	4,573
Internally Developed Technology Rights [Member]	'
Finite-Lived Intangible Assets [Line Items]	'
Finite-Lived Intangible Asset, Useful Life	'2 years
Finite-Lived Intangible Assets, Gross	160
Finite-Lived Intangible Assets, Accumulated Amortization	3
Finite-Lived Intangible Assets, Net	157
Customer Relationships [Member]	'
Finite-Lived Intangible Assets [Line Items]	'
Finite-Lived Intangible Asset, Useful Life	'8 years
Finite-Lived Intangible Assets, Gross	3,500
Finite-Lived Intangible Assets, Accumulated Amortization	37
Finite-Lived Intangible Assets, Net	3,463
Trade Names [Member]	'
Finite-Lived Intangible Assets [Line Items]	'
Finite-Lived Intangible Asset, Useful Life	'2 years
Finite-Lived Intangible Assets, Gross	40
Finite-Lived Intangible Assets, Accumulated Amortization	1
Finite-Lived Intangible Assets, Net	$39

Goodwill_and_Intangible_Assets4

Goodwill and Intangible Assets Future Amortization (Details) (USD $)	Dec. 31, 2013
In Thousands, unless otherwise specified
Goodwill and Intangible Assets Disclosure [Abstract]	'
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$1,623
Finite-Lived Intangible Assets, Amortization Expense, Year Two	1,402
Finite-Lived Intangible Assets, Amortization Expense, Year Three	1,147
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1,095
Finite Lived Intangible Assets Amortization Expense Year Five And Thereafter	2,965
Finite-Lived Intangible Assets, Net	$8,232

Accounts_Receivable_and_Contra2

Accounts Receivable and Contracts in Progress (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Accounts Receivable, Gross	$40,842,000	$34,332,000	'
Unbilled Receivables, Current	6,784,000	5,229,000	'
Accounts Receivable, Net, Current	47,626,000	39,561,000	'
Allowance for Doubtful Accounts Receivable	-1,060,000	-760,000	'
Account and Unbilled Receivables, Net	46,566,000	38,801,000	'
Allowance for Loan and Lease Losses, Provision for Loss, Net	400,000	-300,000	200,000
Deferred Revenue, Revenue Recognized	221,905,000	228,912,000	'
Deferred Revenue and Credits	-260,372,000	-265,463,000	'
Deferred Revenue, Period Increase (Decrease)	-38,467,000	-36,551,000	'
Deferred Revenue	-45,251,000	-41,780,000	'
Deferred Maintenance and Support Revenue	$11,400,000	$11,100,000	'

Earnings_per_Share_Basis_and_D

Earnings per Share Basis and Diluted (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Numerator	'	'	'	'	'	'	'	'	'	'	'
Net income	$139	$993	$580	$1,734	$1,424	$1,356	$995	$1,191	$3,446	$4,966	$6,350
Denominator	'	'	'	'	'	'	'	'	'	'	'
Weighted average shares (basic)	'	'	'	'	'	'	'	'	28,004,019	27,365,731	26,831,530
Dilutive effect of potential common shares	'	'	'	'	'	'	'	'	2,110,354	1,054,225	930,000
Weighted Average Number of Shares Outstanding, Diluted	'	'	'	'	'	'	'	'	30,114,373	28,419,956	27,761,958
Basic earnings per share	$0	$0.04	$0.02	$0.06	$0.05	$0.05	$0.04	$0.04	$0.12	$0.18	$0.24
Diluted earnings per share	$0	$0.03	$0.02	$0.06	$0.05	$0.05	$0.04	$0.04	$0.11	$0.17	$0.23
Antidilutive potential common shares excluded from computation of earnings per share	'	'	'	'	'	'	'	'	14,000	416,000	893,000

Property_and_Equipment_net_Det

Property and Equipment, net (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Gross	$27,539,000	$22,066,000	'
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	-11,952,000	-9,278,000	'
Property, Plant and Equipment, Net	15,587,000	12,788,000	'
Depreciation	4,200,000	2,188,000	1,609,000
Disposal of Property Plant and Equipment	1,500,000	800,000	3,200,000
Full Depreciated Assets in Use	3,800,000	4,200,000	'
Internal-use software development costs capitalized	2,874,000	2,013,000	0
Internal Use Software Developed, Subject To Amortization	1,700,000	900,000	'
Capitalized Computer Software, Amortization	500,000	100,000	'
Furniture and Fixtures [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Gross	2,423,000	2,371,000	'
Furniture and Fixtures [Member] | Minimum [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life	'7 years	'	'
Furniture and Fixtures [Member] | Maximum [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life	'10 years	'	'
Computer Equipment [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Gross	10,857,000	9,477,000	'
Computer Equipment [Member] | Minimum [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life	'3 years	'	'
Computer Equipment [Member] | Maximum [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life	'5 years	'	'
Software [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Gross	4,322,000	4,123,000	'
Software [Member] | Minimum [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life	'2 years	'	'
Software [Member] | Maximum [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life	'5 years	'	'
Software Development [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life	'3 years	'	'
Property, Plant and Equipment, Gross	5,064,000	2,013,000	'
Leasehold Improvements [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Estimated Useful Lives	'ShorterB ofB leaseB term orB usefulB life	'	'
Property, Plant and Equipment, Gross	4,568,000	3,550,000	'
Construction in Progress [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Gross	305,000	532,000	'
Enterprise resource planning system [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Capitalized Computer Software, Gross	400,000	'	'
Cloud-based product offerings [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Internal-use software development costs capitalized	$3,100,000	$2,000,000	'

Fair_Value_Measurements_Detail

Fair Value Measurements (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Millions, unless otherwise specified
Fair Value Disclosures [Abstract]	'	'
Treasury money market funds, at fair value	$21	$58

Stockholders_Equity_Details

Stockholders Equity (Details) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2013
Stockholders' Equity Attributable to Parent [Abstract]	'
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$10
Stock Repurchase Program, Authorized Amount	$15

Noncash_Sharebased_Compensatio2

Noncash Share-based Compensation (Details)

1 Months Ended

Feb. 29, 2012

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2013

Stock options

Stock options

RSUs

RSUs

SARs

SARs

MSUs

MSUs

1999 Equity Incentive Plan [Member]

2007 Equity Incentive Plan [Member]

Noncash Share-based Compensation (Narrative) [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number

'

'

'

'

1,543,000

'

'

'

'

'

33,325

'

Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized

900,000

'

'

'

'

'

'

'

'

'

'

'

Shares reserved for issuance under Plan

'

7,268,000

'

'

'

'

'

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number

'

'

1,160,464

1,475,000

'

'

721,000

'

469,000

205,000

'

3,893,482

Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number

'

'

'

'

1,543,000

1,183,000

721,000

790,000

0

205,000

'

'

Share-based compensation award, nonvested, number

'

'

'

'

'

'

'

'

469,000

'

'

'

Shares available for future grants

'

466,611

'

'

'

'

'

'

'

'

'

'

Noncash_Sharebased_Compensatio3

Noncash Share-based Compensation Expense (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]	'	'	'
Share-based compensation expense	$16,099,000	$9,645,000	$6,832,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	29,400,000	'	'
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	'3 years 0 months 4 days	'	'
License and implementation	'	'	'
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]	'	'	'
Share-based compensation expense	2,071,000	1,451,000	1,201,000
Selling, marketing, general and administrative	'	'	'
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]	'	'	'
Share-based compensation expense	10,889,000	6,273,000	4,038,000
Research and development	'	'	'
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]	'	'	'
Share-based compensation expense	3,139,000	1,921,000	1,593,000
Stock compensation in operating expense [Member]	'	'	'
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]	'	'	'
Share-based compensation expense	$14,028,000	$8,194,000	$5,631,000

Noncash_Sharebased_Compensatio4

Noncash Share-based Compensation Noncash Share-based Compensation Share Based Compensation - Stock Option Rollforward (Details) (USD $)	12 Months Ended
In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Employee Stock Option [Member]	'		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,475,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	-315,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,160,464		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	1,160,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$11.24		'	'	'
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$0		'	'	'
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$11.66		'	'	'
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	$0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	$0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$11.12		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$11.12		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	'3 years 8 months 27 days		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term	'3 years 8 months 27 days		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$33,396	[1]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	33,396	[1]	'	'	'
Restricted Stock Units (RSUs) [Member]	'		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	1,543,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	'5 years 3 months 11 days		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	61,565	[2]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	1,183,000		'	'	1,543,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	851,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	-405,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	-86,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	1,500,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$15.55		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$20.08		$18.65	$14.13	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	$14.35		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	$17.53		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$18.25		$15.55	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	$18.21		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term	'5 years 3 months 18 days		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	59,843	[2]	'	'	'
Stock Appreciation Rights (SARs) [Member]	'		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	-64,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	-3,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	-2,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	721,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	551,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$10.66		'	'	'
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$0		'	'	'
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$9.84		'	'	'
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	$10.02		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	$11.42		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$10.74		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	'6 years 9 months 22 days		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term	'6 years 9 months 4 days		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	21,028	[3]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	790,000		'	'	721,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	721,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	'		'	$11.42	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	$10.89		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term	'6 years 9 months 22 days		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	21,028	[3]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price	$10.46		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value	$16,143	[3]	'	'	'
Market Share Units (MSUs) [Member]	'		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	205,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	270,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	-6,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expired In Period, Weighted Average Grant Date Fair Value	$0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	469,000		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	205,000		'	'	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$26.08		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$40.58		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	$0		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	$40.58		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$34.24		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms	'8 years 1 month 21 days		'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Intrinsic Value	$18,713,000	[4]	'	'	'
[1]	The aggregate intrinsic value was calculated based on the positive difference between the estimated fair value of the Companybs common stock on DecemberB 31, 2013 of $39.90 and the grant date fair value.
[2]	The aggregate intrinsic value was calculated based on the fair value of the Companybs common stock on DecemberB 31, 2013 of $39.90.
[3]	StockB appreciationrightsB WeightedB averageexercise priceB WeightedB averageremainingB contractualterm (year)B AggregateintrinsicB valueB (1)Outstanding, December 31, 2012790B $10.66 GrantedbB b Exercised(64)B 9.84 Forfeited(3)B 10.02 Expired(2)B 11.42 Outstanding, December 31, 2013721B $10.74B 6.8B $21,028Exercisable at December 31, 2013551B $10.61B 6.8B $16,143Vested and expected to vest at December 31, 2013721B $10.74B 6.8B $21,028(1) The aggregate intrinsic value was calculated based on the positive difference between the estimated fair value of the Companybs common stock on DecemberB 31, 2013 of $39.90 and the exercise price of the underlying SARs.
[4]	The aggregate intrinsic value was calculated based on the positive difference between the estimated fair value of the Companybs common stock on DecemberB 31, 2013 of $39.90 and the grant date fair value of the underlying MSUs.

Noncash_Sharebased_Compensatio5

Noncash Share-based Compensation Narrative (Details) (USD $)	12 Months Ended
In Millions, except Share data in Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Stock Price at Year End	$39.90	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value	$5.20	$0.60	$1.70
Shares issuable upon vesting of MSUs, maximum	200.00%	'	'
Restricted Stock Units (RSUs) [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	1,543	1,183	'
December 2013 Market Stock Unit Performance Award [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Total shareholder return period for vesting of MSUs	'two	'	'

Noncash_Sharebased_Compensatio6

Noncash Share-based Compensation Assumptions (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Stock Appreciation Rights (SARs) [Member]	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	'	61.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	'	2.11%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	'	'4 years 4 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	'	0.00%
Market Share Units (MSUs) [Member]	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	57.00%	61.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	0.35%	0.28%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	'2 years 10 months 2 days	'1 year 10 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%	0.00%

Income_Tax_Disclosure_Componen

Income Tax Disclosure Components of Income Tax (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]	'	'	'
Current Federal Tax Expense (Benefit)	$2,444	$2,015	$1,406
Current State and Foreign	160	74	548
Current Income Tax Expense (Benefit)	2,604	2,089	1,954
Deferred Federal Income Tax Expense (Benefit)	-2,651	1,030	310
Deferred State and Local Income Tax Expense (Benefit)	-126	-68	20
Income Tax Expense (Benefit)	($173)	$3,051	$2,284

Income_Tax_Disclosure_Reconcil

Income Tax Disclosure Reconciliation of Federal Tax Rate (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure - Reconciliation of Federal Tax Rate [Abstract]	'	'	'
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	$1,113	$2,726	$3,022
Income Tax Reconciliation, State and Local Income Taxes	-583	-84	94
Income Tax Reconciliation, Nondeductible Expense	235	214	208
Income Tax Reconciliation, Nondeductible Expense, Other	606	0	0
Income Tax Reconciliation, Deductions, Qualified Production Activities	-47	-146	-118
Income Tax Reconciliation, Nondeductible Expense, Share-based Compensation Cost	1,308	622	0
Research and Expirmentation Tax Credit Adjustment Prior Years	-1,254	-439	0
Income Tax Reconciliation, Tax Credits	-2,030	0	-878
Income Tax Reconciliation, Other Adjustments	-30	158	-44
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance	509	0	0
Income Tax Expense (Benefit)	($173)	$3,051	$2,284

Income_Tax_Disclosure_Tax_Effe

Income Tax Disclosure Tax Effect of Temporary Differences (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure - Tax Effect of Temporary Differences [Abstract]	'	'	'
Deferred Tax Assets, Tax Credit Carryforwards, State and Foreign	($7)	$2	'
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	-191	-49	'
Deferred Tax Assets, Operating Loss Carryforwards, Domestic and State	2,601	0	'
Deferred Tax Assets, Net, Current	2,403	-47	'
Deferred Tax Assets, Valuation Allowance, Current	-270	0	'
Deferred Tax Assets, Net of Valuation Allowance, Current	2,133	-47	'
Deferred Tax Assets Property And Equipment Net	-1,786	-1,736	'
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	7,808	6,081	'
Deferred Tax Assets, State Taxes	292	240	'
Deferred Tax Liabilities, Deferred Expense, Capitalized Software	-1,541	0	'
Deferred Tax Liabilities, Intangible Assets	-2,366	0	'
Deferred Tax Assets, Tax Credit Carryforwards, Research	2,708	0	'
Deferred Tax Asset, Deferred Revenue	431	0	'
Increase (Decrease) in Prepaid Expense and Other Assets	-1,204	-2,215	2,971
Deferred Tax Assets, Operating Loss Carryforwards	4,724	0	'
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	813	0	'
Tax Credit Carryforward, Deferred Tax Asset	509	0	'
Deferred Tax Assets, Net, Noncurrent	11,592	4,585	'
Deferred Tax Assets, Valuation Allowance, Noncurrent	-1,087	0	'
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	10,505	4,585	'
Deferred Tax Assets, Net of Valuation Allowance	$12,638	$4,538	'

Income_Tax_Disclosure_Unrecogn

Income Tax Disclosure Unrecognized Tax Benefit (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]	'	'	'	'
Unrecognized Tax Benefits	$331	$350	$126	$126
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	-19	224	0	'
Unrecognized Tax Benefits	$331	$350	$126	$126

Income_Tax_Disclosure_Details

Income Tax Disclosure (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]	'	'	'	'
Effective Income Tax Rate, Continuing Operations	-5.00%	'	'	'
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	'	38.00%	26.00%	'
Income Taxes Receivable	$600,000	$400,000	'	'
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	100,000	100,000	'	'
Operating Loss Carryforwards	14,000,000	'	'	'
Unrecognized Tax Benefits	331,000	350,000	126,000	126,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	30,000	10,000	10,000	'
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$0	'	'	'

Credit_Facility_Details

Credit Facility (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Line of Credit Facility [Line Items]	'	'	'
Debt Instrument, Face Amount	$50,000,000	'	'
Debt Instrument, Covenant, Minimum Amount of Cash And Cash Equivalent	20,000,000	'	'
Debt Issuance Cost	0	-250,000	0
Unamortized Debt Issuance Expense	200,000	300,000	'
Amortization of Financing Costs	$50,000	$25,000	'
LIBOR Rate [Member]	'	'	'
Line of Credit Facility [Line Items]	'	'	'
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	1.50%	'	'
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum	2.30%	'	'
Federal Funds Rate [Member]	'	'	'
Line of Credit Facility [Line Items]	'	'	'
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	1.50%	'	'
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum	2.30%	'	'

Commitments_and_Contingencies_1

Commitments and Contingencies (Details) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]	'	'	'
Operating Leases, Rent Expense, Net	$2.10	$2	$1.30

Commitments_and_Contingencies_2

Commitments and Contingencies Future minimum lease commitments (Details) (USD $)	Dec. 31, 2013
In Thousands, unless otherwise specified
Future minimum lease commitments [Line Items]	'
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$2,544
Operating Leases, Future Minimum Payments, Due in Two Years	2,071
Operating Leases, Future Minimum Payments, Due in Three Years	1,200
Operating Leases, Future Minimum Payments, Due in Four Years	0
Operating Leases, Future Minimum Payments, Due Thereafter	0
Operating Leases, Future Minimum Payments Due	$5,815

Segments_International_Revenue

Segments International Revenue (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Concentration Risk, Geographic	'	'	'	'	'	'	'	'	'79765000	'66160000	'61996
Revenues	$38,871	$36,813	$35,527	$33,626	$32,723	$29,913	$28,134	$27,021	$144,837	$117,791	$96,639
percentage of total revenue	'	'	'	'	'	'	'	'	100.00%	100.00%	100.00%
International Revenue [Member]	'	'	'	'	'	'	'	'	'	'	'
Revenues from External Customers and Long-Lived Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
percentage of total revenue	'	'	'	'	'	'	'	'	55.00%	56.00%	64.00%
UNITED STATES	'	'	'	'	'	'	'	'	'	'	'
Revenues from External Customers and Long-Lived Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Revenues	'	'	'	'	'	'	'	'	65,072	51,631	34,643
percentage of total revenue	'	'	'	'	'	'	'	'	45.00%	44.00%	36.00%
South America and Canada [Member]	'	'	'	'	'	'	'	'	'	'	'
Revenues from External Customers and Long-Lived Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Revenues	'	'	'	'	'	'	'	'	12,222	5,457	7,863
percentage of total revenue	'	'	'	'	'	'	'	'	8.00%	5.00%	8.00%
North and South America [Member]	'	'	'	'	'	'	'	'	'	'	'
Revenues from External Customers and Long-Lived Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Revenues	'	'	'	'	'	'	'	'	77,294	57,088	42,506
percentage of total revenue	'	'	'	'	'	'	'	'	54.00%	49.00%	44.00%
Europe [Member]	'	'	'	'	'	'	'	'	'	'	'
Revenues from External Customers and Long-Lived Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Revenues	'	'	'	'	'	'	'	'	33,666	31,545	26,608
percentage of total revenue	'	'	'	'	'	'	'	'	23.00%	27.00%	28.00%
Pacific [Member]	'	'	'	'	'	'	'	'	'	'	'
Revenues from External Customers and Long-Lived Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Revenues	'	'	'	'	'	'	'	'	22,411	15,356	17,788
percentage of total revenue	'	'	'	'	'	'	'	'	15.00%	13.00%	18.00%
Middle East [Member]	'	'	'	'	'	'	'	'	'	'	'
Revenues from External Customers and Long-Lived Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Revenues	'	'	'	'	'	'	'	'	9,840	10,914	7,275
percentage of total revenue	'	'	'	'	'	'	'	'	7.00%	9.00%	8.00%
Africa [Member]	'	'	'	'	'	'	'	'	'	'	'
Revenues from External Customers and Long-Lived Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Revenues	'	'	'	'	'	'	'	'	$1,626	$2,888	$2,462
percentage of total revenue	'	'	'	'	'	'	'	'	1.00%	2.00%	2.00%

Concentrations_of_Risk_Details

Concentrations of Risk (Details)	12 Months Ended
	Dec. 31, 2013
Concentration of risk [Abstract]	'
Concentration Risk, Percentage	10.00%
Entity-Wide Revenue, Major Customer, Percentage	10.90%

Employment_Retirement_Savings_

Employment Retirement Savings (Details) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]	'	'	'
Defined Benefit Plan, Contributions by Employer	$1.10	$1	$0.30
Matching Percentage of Salary Contribution by Qualified Employees	50.00%	'	'
Qualified Employees Contribution Matching Percentage by the Employer	6.00%	'	'

Quarterly_Results_Details

Quarterly Results (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Financial Information Disclosure [Abstract]	'	'	'	'	'	'	'	'	'	'	'
Revenues	$38,871	$36,813	$35,527	$33,626	$32,723	$29,913	$28,134	$27,021	$144,837	$117,791	$96,639
Gross Profit	28,101	25,787	24,741	23,073	23,045	21,244	20,634	19,100	101,702	84,006	70,337
Operating Income (Loss)	409	1,395	780	689	2,261	1,812	1,979	2,151	3,538	8,180	8,775
Net income	$139	$993	$580	$1,734	$1,424	$1,356	$995	$1,191	$3,446	$4,966	$6,350
Basic earnings per share	$0	$0.04	$0.02	$0.06	$0.05	$0.05	$0.04	$0.04	$0.12	$0.18	$0.24
Diluted	$0	$0.03	$0.02	$0.06	$0.05	$0.05	$0.04	$0.04	$0.11	$0.17	$0.23

Subsequent_Events_Details

Subsequent Events (Details)	Dec. 31, 2013	Oct. 24, 2013	Oct. 24, 2013	Dec. 31, 2012	Jan. 08, 2014
	USD ($)	USD ($)	EUR (€)	USD ($)	Subsequent Event [Member]
Subsequent Event [Line Items]	'	'	'	'	'
Business Acquisition, Cost of Acquired Entity, Purchase Price	$13,500,000	$33,000,000	€ 24,000,000	'	'
Business Combination Tender Offer, Minimum Percentage Of Shares and Warrants Required	65.00%	'	'	'	'
Restricted Cash and Cash Equivalents, Current	$39,718,000	'	'	$0	'
Business Acquisition, Percentage of Voting Interests Acquired	'	'	'	'	83.40%
Business Acquisition, Percentage of Warrant Interests Acquired	'	'	'	'	94.00%

Schedule_II_Valuation_and_Qual1

Schedule II - Valuation and Qualifying Accounts (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2009
Allowance for Doubtful Accounts [Member]	'		'		'		'
Valuation and Qualifying Accounts Disclosure [Line Items]	'		'		'		'
Valuation Allowances and Reserves, Balance	$760	[1]	$1,130	[1]	'		$1,020	[1]
Valuation Allowances and Reserves, Charged to Cost and Expense	369	[1]	0	[1]	268	[1]	'
Valuation Allowances and Reserves, Deductions	-69	[1]	-370	[1]	-158	[1]	'
Valuation Allowances and Reserves, Charged to Other Accounts	0	[1],[2]	0	[1],[2]	0	[1],[2]	'
Valuation Allowances and Reserves, Balance	1,060	[1]	760	[1]	1,130	[1]	1,020	[1]
Valuation Allowance of Deferred Tax Assets [Member]	'		'		'		'
Valuation and Qualifying Accounts Disclosure [Line Items]	'		'		'		'
Valuation Allowances and Reserves, Balance	0	[3]	0	[3]	'		0	[3]
Valuation Allowances and Reserves, Charged to Cost and Expense	509	[3]	0	[3]	0	[3]	'
Valuation Allowances and Reserves, Deductions	0	[3]	0	[3]	0	[3]	'
Valuation Allowances and Reserves, Charged to Other Accounts	848	[2],[3]	0	[2],[3]	0	[2],[3]	'
Valuation Allowances and Reserves, Balance	$1,357	[3]	$0	[3]	$0	[3]	$0	[3]
[1]	Deductions column represents the reversal of additions previously charged to costs and expenses and uncollectible accounts written off, net of recoveries.
[2]	Additions represent valuation allowance adjustments recorded as part of the purchase accounting allocation related to the SignalDemand acquisition.
[3]	Deductions column represents the utilization of deferred tax assets that previously had a valuation allowance for deferred tax assets.