ClearOne (CLRO) 10-K 15 Apr 19 2018 FY Annual report Financial data

Document And Entity Information

Document And Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Apr. 12, 2019	Jun. 30, 2018
Document Information [Line Items]
Entity Registrant Name	CLEARONE INC
Entity Central Index Key	0000840715
Trading Symbol	clro
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Common Stock, Shares Outstanding (in shares)		16,630,597
Entity Public Float			$ 16.8
Entity Shell Company	false
Document Type	10-K
Document Period End Date	Dec. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Amendment Flag	false

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 11,211	$ 5,571
Marketable securities	951	2,689
Receivables, net of allowance for doubtful accounts of $631 and $472, as of December 31, 2018 and 2017 respectively	6,782	7,794
Inventories	13,228	14,415
Distributor channel inventories		1,555
Prepaid expenses and other assets	2,193	1,862
Total current assets	34,365	33,886
Long-term marketable securities	3,764	10,349
Long-term inventories, net	8,953	8,708
Property and equipment, net	1,388	1,549
Intangible assets, net	10,249	6,543
Deferred income taxes		6,531
Other assets	196	311
Total assets	58,915	67,877
Current liabilities:
Accounts payable	3,729	4,122
Accrued liabilities	1,996	1,843
Deferred product revenue	283	4,635
Total current liabilities	6,008	10,600
Deferred rent	135	103
Other long-term liabilities	571	607
Total liabilities	6,714	11,310
Shareholders’ equity:
Common stock, par value $0.001, 50,000,000 shares authorized, 16,630,597 and 8,319,022 shares issued and outstanding as of December 31, 2018 and 2017 respectively	17	8
Additional paid-in capital	57,840	47,464
Accumulated other comprehensive loss	(181)	(65)
Retained earnings/(accumulated deficit)	(5,475)	9,160
Total shareholders’ equity	52,201	56,567
Total liabilities and shareholders’ equity	$ 58,915	$ 67,877

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Allowance for doubtful accounts	$ 631	$ 472
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	16,630,597	8,319,022
Common stock, shares outstanding (in shares)	16,630,597	8,319,022

Consolidated Statements of Oper

Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenue	$ 28,156	$ 41,804
Cost of goods sold	14,785	17,795
Gross profit	13,371	24,009
Operating expenses:
Sales and marketing	9,908	10,996
Research and product development	7,840	9,342
General and administrative	5,950	7,161
Impairment of an intangible asset		769
Impairment of goodwill	0	12,724
Legal settlement		(790)
Total operating expenses	23,698	40,202
Operating loss	(10,327)	(16,193)
Other income, net	80	300
Loss before income taxes	(10,247)	(15,893)
Provision for/(benefit from) income taxes	6,440	(1,721)
Net loss	$ (16,687)	$ (14,172)
Basic loss per common share (in dollars per share)	$ (1.87)	$ (1.65)
Diluted loss per common share (in dollars per share)	$ (1.87)	$ (1.65)
Basic weighted average shares outstanding (in shares)	8,942,629	8,576,588
Diluted weighted average shares outstanding (in shares)	8,942,629	8,576,588
Comprehensive loss:
Net loss	$ (16,687)	$ (14,172)
Other comprehensive income/loss:
Unrealized gain (loss) on available-for-sale securities, net of tax	(38)	36
Change in foreign currency translation adjustment	(78)	104
Comprehensive loss	$ (16,803)	$ (14,032)

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2016	8,812,644
Balance at Dec. 31, 2016	$ 9	$ 46,669	$ (205)	$ 30,976	$ 77,449
Exercise of stock options (in shares)	45,260				178,662
Exercise of stock options		64			$ 64
Stock repurchased (in shares)	(551,936)				(551,936)
Stock repurchased	$ (1)			(5,118)	$ (5,119)
Restricted stock granted (in shares)	5,000
Restricted stock granted
Cash dividends				(2,239)	(2,239)
Stock-based compensation expense		665			665
Cancellation of restricted stock and stock options (in shares)	(1,056)
Cancellation of restricted stock and stock options				(287)	(287)
Shares purchased under ESPP plan (in shares)	9,110
Proceeds from employee stock purchase plan		66			66
Unrealized gain on available-for-sale securities, net of tax			36		36
Foreign currency translation adjustment			104		104
Net loss				(14,172)	(14,172)
Balance (in shares) at Dec. 31, 2017	8,319,022
Balance at Dec. 31, 2017	$ 8	47,464	(65)	9,160	$ 56,567
Exercise of stock options (in shares)
Stock repurchased (in shares)	(17,549)
Stock repurchased				(147)	$ (147)
Cash dividends				(583)	(583)
Stock-based compensation expense		463			463
Cancellation of restricted stock and stock options (in shares)	(1,200)
Cancellation of restricted stock and stock options
Shares purchased under ESPP plan (in shares)	23,789
Proceeds from employee stock purchase plan		39			39
Unrealized gain on available-for-sale securities, net of tax			(38)		(38)
Foreign currency translation adjustment			(78)		(78)
Net loss				(16,687)	(16,687)
Stock Issued During Period, Shares, New Issues	8,306,535
Issuance of common stock	$ 9	9,874			9,883
Impact on retained earnings for change in revenue recognition policy at Dec. 31, 2017				2,782	2,782
Balance (in shares) at Dec. 31, 2018	16,630,597
Balance at Dec. 31, 2018	$ 17	$ 57,840	$ (181)	$ (5,475)	$ 52,201

Consolidated Statements of Sh_2

Consolidated Statements of Shareholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Retained Earnings [Member]
Cash dividends, per share (in dollars per share)	$ 0.07	$ 0.26

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net loss	$ (16,687,000)	$ (14,172,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense	1,590,000	1,531,000
Impairment of goodwill and intangible assets		13,493,000
Amortization of deferred rent	12,000	(44,000)
Stock-based compensation expense	463,000	665,000
Provision for doubtful accounts, net	159,000	252,000
Write-down of inventory to net realizable value	787,000	649,000
Loss on disposal of assets	1,000	7,000
Deferred income taxes	6,531,000	(1,877,000)
Changes in operating assets and liabilities:
Receivables	835,000	(526,000)
Inventories	155,000	(10,756,000)
Prepaid expenses and other assets	43,000	9,000
Accounts payable	(392,000)	572,000
Accrued liabilities	184,000	(23,000)
Income taxes payable	(258,000)	853,000
Deferred product revenue	(8,000)	740,000
Other long-term liabilities	(36,000)	(644,000)
Net cash used in operating activities	(6,621,000)	(9,271,000)
Cash flows from investing activities:
Capitalized patent defense costs	(4,698,000)	(2,289,000)
Purchase of property and equipment	(336,000)	(638,000)
Purchase of intangible assets	(101,000)	(278,000)
Proceeds from maturities and sales of marketable securities	10,516,000	17,640,000
Purchase of marketable securities	(2,230,000)	(4,248,000)
Net cash provided by investing activities	3,151,000	10,187,000
Cash flows from financing activities:
Issuance of common stock	9,883,000
Net proceeds from equity-based compensation programs	39,000	130,000
Repurchase and cancellation of stock options		(287,000)
Dividend payments	(583,000)	(2,239,000)
Payments for stock repurchases	(147,000)	(5,119,000)
Net cash used in financing activities	9,192,000	(7,515,000)
Effect of exchange rate changes on cash and cash equivalents	(82,000)	70,000
Net increase (decrease) in cash and cash equivalents	5,640,000	(6,529,000)
Cash and cash equivalents at the beginning of the year	5,571,000	12,100,000
Cash and cash equivalents at the end of the year	11,211,000	5,571,000
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$ 11,000	$ 6,000

Note 1 - Business Description,

Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]	1. Business Description: ClearOne, Inc., together with its subsidiaries (collectively, “ClearOne” or the “Company”), is a global market leader enabling conferencing, collaboration, and network streaming solutions. The performance and simplicity of our advanced, comprehensive solutions offer unprecedented levels of functionality, reliability and scalability. Basis of Presentation: Fiscal Year 10 December 31, 2018 2017 2018 2017. Consolidation Use of Estimates Foreign Currency Translation Concentration Risk third may no second Significant Accounting Policies: Cash Equivalents three may Marketable Securities - A decline in the market value of any available-for-sale security below cost that is deemed other than temporary results in a charge to earnings and establishes a new cost basis for the security. Losses are charged against “Other income” when a decline in fair value is determined to be other than temporary. We review several factors to determine whether a loss is other than temporary. These factors include, but are not no December 31, 2018 2017. Accounts Receivable not may The allowance for doubtful accounts is the Company’s best estimate of the amount of probable credit losses in the Company’s existing accounts receivable. Management regularly analyzes accounts receivable including current aging, historical write-off experience, customer concentrations, customer creditworthiness, and current economic trends when evaluating the adequacy of the allowance for doubtful accounts. We review customer accounts quarterly by first not may The Company’s allowance for doubtful accounts activity for the years ended December 31, 2018 2017 Year Ended December 31, 201 8 201 7 Balance at beginning of the year $ 472 $ 187 Allowance increase (decrease) 159 287 Write offs, net of recoveries - (2 ) Balance at end of the year $ 631 $ 472 Inventories first first not Distributor channel inventories include products that have been delivered to customers for which revenue recognition criteria have not The inventory also includes advance replacement units (valued at cost) provided by the Company to end-users to service defective products under warranty. The value of advance replacement units included in the inventory was $184 $76, December 31, 2018 2017, The inventory consists of current inventory of $13,228 $8,953. 12 Property and Equipment two ten Goodwill and Intangible Assets – three ten not Impairment of Goodwill - 350, Intangibles – Goodwill and Other fourth We assess the recoverability of our one not not not two Note 3 one In the first not no second The second During the third September 30, 2017, $12,724, no December 31, 2018. Impairment of Long-Lived Assets - may not During the twelve December 31, 2017 $769 Adoption of New Revenue Standard: January 1, 2018, No. 2014 09 606 2014 09” No. 2015 14 606 2015 14” No. 2016 08 606 2016 08” No. 2016 10 606 2016 10” No. 2016 12 606 2016 12” No. 2016 20 606, 2016 20” Change in Accounting Policy: January 1, 2018, $2,783, $4,338 $1,555 not not Prior to our change in accounting policy, revenue from product sales to distributors was not not After the change in the accounting policy, substantially all of the Company’s revenue is recognized following the transfer of control of the products to the customer, which typically occurs upon shipment or delivery depending on the terms of the underlying contracts. During the 12 months ended December 31, 2018, $1,252 Revenue Recognition Policy: five 1 2 3 4 5 Sales agreements with customers are renewable periodically and contain terms and conditions with respect to payment, delivery, warranty and supply, but typically do not In determining the transaction price, the Company evaluates whether the price is subject to refund or adjustment to determine the net consideration to which the Company expects to be entitled. Sales to distributors, are typically made pursuant to agreements that provide return rights with respect to discontinued or slow-moving products, referred to as stock rotation. Sales to distributors can also be subject to price adjustment on certain products, primarily for distributors with drop-shipping rights. Although payment terms vary, most distributor agreements require payment within 45 The Company recognizes revenue when it satisfies a performance obligation. The Company recognizes revenue from sales agreements upon transferring control of a product to the customer. This typically occurs when products are shipped or delivered, depending on the delivery terms, or when products that are consigned at customer locations are sold to dealers or end users. Revenue recognized during the twelve December 31, 2018 $27,369, $787. Frequently, the Company receives orders with multiple delivery dates that may 45 30 one not The Company has elected to record freight and handling costs associated with outbound freight after control over a product has transferred to a customer as a fulfillment cost and include it in cost of revenues. Taxes assessed by government authorities on revenue-producing transactions, including value-added and excise taxes, are presented on a net basis (excluded from revenues) in the consolidated statements of operations and comprehensive income. The details of deferred revenue and associated cost of goods sold and gross profit are as follows: As of December 31, 2018 2017 Deferred revenue $ 283 $ 4,635 Deferred cost of goods sold - 1,555 Deferred gross profit $ 283 $ 3,080 The Company offers rebates and market development funds to certain of its distributors, dealers/resellers, and end-users based upon the volume of product purchased by them. The Company records rebates as a reduction of revenue in accordance with GAAP. The Company provides, at its discretion, advance replacement units to end-users on defective units of certain products under warranty. Since the purpose of these units is not The following table disaggregates the Company’s revenue into primary product groups: Twelve months ended December 31, 2018 Twelve months ended December 31, 2017 Audio Conferencing $ 13,946 $ 21,078 Microphones 9,012 13,430 Video products 5,198 7,296 $ 28,156 $ 41,804 The following table disaggregates the Company’s revenue into major regions: Twelve months ended December 31, 2018 Twelve months ended December 31, 2017 North and South America $ 16,534 $ 26,310 Asia (including Middle East) and Australia 7,924 11,087 Europe and Africa 3,698 4,407 $ 28,156 $ 41,804 Warranty Costs The details of changes in the Company’s warranty accrual are as follows: Year Ended December 31, 2018 2017 Balance at the beginning of year $ 245 $ 246 Accruals/additions 288 399 Usage/claims (339 ) (400 ) Balance at end of year $ 194 $ 245 Advertising December 31, 2018 2017 $1,037 $1,079, Research and Product Development Costs ● sufficient taxable income within the allowed carryback or carryforward periods; ● future reversals of existing taxable temporary differences, including any tax planning strategies that could be utilized; ● nature or character (e.g., ordinary vs. capital) of the deferred tax assets and liabilities; and ● future taxable income exclusive of reversing temporary differences and carryforwards. Income Taxes not may not 2018, three not not December 31, 2018, no Recent changes: December 22, 2017, January 1, 2018, not 1 35 21 2 3 4 5 6 7 one 8 50 9 December 31, 2017. Shortly after enactment, the Securities and Exchange Commission issued Staff Accounting Bulletin No. 118 118" December 31, 2017. may not may 12 118. The Transition Tax is based on the Company's post- 1986 not The reduction in the corporate tax rate to 21 January 1, 2018. $3.3 $3.3 December 31, 2017. The impact of the Tax Act may 12 may may The Company follows the provisions contained in ASC Topic 740, Income Taxes. not Earnings Per Share Year Ended December 31, 2018 2017 Numerator: Net loss $ (16,687 ) $ (14,172 ) Denominator: Basic weighted average shares 8,942,629 8,576,588 Dilutive common stock equivalents using treasury stock method - - Diluted weighted average shares 8,942,629 8,576,588 Basic loss per common share: $ (1.87 ) $ (1.65 ) Diluted loss per common share: $ (1.87 ) $ (1.65 ) Weighted average options outstanding 713,331 815,870 Anti-dilutive options not included in the computation 713,331 815,870 Share-Based Payment Recent Accounting Pronouncements - February 2016, No. 2016 02, 842 12 December 15, 2018 December 15, 2018. August 2018, 2018 11, 842, not 842, January 1, 2019 2018 11. one In August 2016, No. 2016 15, eight 2016 15 January 1, 2018. 2016 15 no In May 2017, No. 2017 09, 718 1 2 718, January 1, 2018. 2017 09 not

Note 2 - Marketable Securities

Note 2 - Marketable Securities	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	2. The Company has classified its marketable securities as available-for-sale securities. These securities are carried at estimated fair value with unrealized holding gains and losses included in accumulated other comprehensive income(loss) in shareholders’ equity until realized. Gains and losses on marketable security transactions are reported on the specific-identification method. Dividend and interest income are recognized when earned. The amortized cost, gross unrealized holding gains, gross unrealized holding losses, and fair value for available-for-sale securities by major security type and class of security at December 31, 2018 2017 Amortized cost Gross unrealized holding gains Gross unrealized holding losses Estimated fair value December 31, 201 8 Available-for-sale securities: Corporate bonds and notes $ 2,911 $ 1 $ (31 ) $ 2,881 Municipal bonds 1,849 — (15 ) 1,834 Total available-for-sale securities $ 4,760 $ 1 $ (46 ) $ 4,715 December 31, 201 7 Available-for-sale securities: Corporate bonds and notes $ 8,458 $ 19 $ (49 ) $ 8,428 Municipal bonds 4,637 1 (28 ) 4,610 Total available-for-sale securities $ 13,095 $ 20 $ (77 ) $ 13,038 Maturities of marketable securities classified as available-for-sale securities were as follows at December 31, 2018: Amortized Estimated cost fair value Due within one year $ 955 $ 951 Due after one year through five years 3,805 3,764 Total available-for-sale securities $ 4,760 $ 4,715 Debt securities in an unrealized loss position as of December 31, 2018 not not not December 31, 2018 Less than 12 months More than 12 months Total Estimated fair value Gross unrealized holding losses Estimated fair value Gross unrealized holding losses Estimated fair value Gross unrealized holding losses As of December 31, 201 8 Corporate bonds and notes $ — $ — $ 2,881 $ 31 $ 2,881 $ 31 Municipal bonds — — 1,834 15 1,834 15 $ — $ — $ 4,715 $ 46 $ 4,715 $ 46

Note 3 - Business Combinations,

Note 3 - Business Combinations, Goodwill and Intangible Assets	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Business Combinations, Goodwill and Intangibles Disclosure [Text Block]	3. Goodwill impairment There was a decrease in goodwill of $12,724 2017 third September 30, 2017, one two two September 30, 2017. $12,724, third September 30, 2017. no December 31, 2018. Intangible Assets Intangible assets as of December 31, 2018, 2017 Estimated useful lives As of December 31, (in years) 201 8 201 7 Tradename 5 to 7 $ 555 $ 555 Patents and technological know-how 10 13,377 8,578 Proprietary software 3 to 15 2,981 2,981 Other 3 to 5 323 323 Total intangible assets, gross 17,236 12,437 Accumulated amortization (6,987 ) (5,894 ) Total intangible assets, net $ 10,249 $ 6,543 Intangible assets includes capitalized legal expenses, net of amortization of $6,627 two Note 8 During the years ended December 31, 2018 2017, $1,093 $932 The estimated future amortization expense of intangible assets is as follows: Years ending December 31, 2019 $ 1,226 2020 1,048 2021 1,048 2022 1,048 2023 866 Thereafter 5,013 Total $ 10,249

Note 4 - Inventories

Note 4 - Inventories	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Inventory Disclosure [Text Block]	4. Inventories, net of reserves, consisted of the following: As of December 31, 2018 2017 Current: Raw materials $ 1,795 $ 197 Finished goods 11,433 14,218 Total $ 13,228 $ 14,415 Long-term: Raw materials $ 2,165 $ 2,682 Finished goods 6,788 6,026 Total $ 8,953 $ 8,708 Long-term inventory represents inventory held in excess of our current (next 12 no Current finished goods do not $0 $1,555 December 31, 2018 2017, not The losses incurred on valuation of inventory at the lower of cost or market value and write-off of obsolete inventory amounted to $787 $649 December 31, 2018 2017,

Note 5 - Property and Equipment

Note 5 - Property and Equipment	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	5. Major classifications of property and equipment and estimated useful lives were as follows: Estimated useful lives As of December 31, in years 201 8 201 7 Office furniture and equipment 3 to 10 $ 5,041 $ 4,904 Leasehold improvements 1 to 6 1,570 1,509 Vehicles 5 to 10 206 160 Manufacturing and test equipment 2 to 10 2,633 2,577 9,450 9,150 Accumulated depreciation and amortization (8,062 ) (7,601 ) Property and equipment, net $ 1,388 $ 1,549 Depreciation expense on property and equipment for the years ended December 31, 2018 2017 $497 $599, twelve December 31, 2017 $128

Note 6 - Leases and Deferred Re

Note 6 - Leases and Deferred Rent	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Leases of Lessee Disclosure [Text Block]	6. Rent expense is recognized on a straight-line basis over the period of the lease taking into account future rent escalation and holiday periods. Rent expense was $1,053 $999, 12 $44 December 31, 2018 2017, We occupy a 5,000 February 2021 10 We currently occupy a 21,443 March 2024, five We occupy a 10,700 September 2019, We occupy a 7,070 October 2019. We occupy a 3,068 March 2020. We occupy a 6,175 August 2021. We occupy a 40,000 April 2025, Future minimum lease payments under non-cancellable operating leases with initial terms of one Years ending December 31, 2019 $ 809 2020 700 2021 646 2022 595 2023 606 Thereafter 375 Total minimum lease payments $ 3,731

Note 7 - Accrued Liabilities

Note 7 - Accrued Liabilities	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Accounts Payable and Accrued Liabilities Disclosure [Text Block]	7. Accrued liabilities consist of the following: As of December 31, 201 8 201 7 Accrued salaries and other compensation $ 882 $ 1,072 Sales and marketing programs 537 435 Product warranty 194 245 Other accrued liabilities 383 91 Total $ 1,996 $ 1,843

Note 8 - Commitments and Contin

Note 8 - Commitments and Contingencies	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	8. We establish contingent liabilities when a particular contingency is both probable and estimable. The Company is not may Outsource Manufacturers. $1,247 December 31, 2018. Uncertain Tax Positions. 12, $679 December 31, 2018. not Legal Proceedings. Intellectual Property Litigation The Company is involved in patent infringement against Shure Inc. ("Shure") in the matter styled Shure Inc. v. ClearOne, Inc. 1:17 03078, April 24, 2017. No. 9,635,186 "’186 No. 9,264,553 "’553 2018, ‘186 ’553 2017, not ’186 No. 9,813,806 "’806 On July 14, 2017, inter partes ‘553 January 29, 2018, inter partes On August 6, 2017, '186 March 16, 2018 February 6, 2019, ’186 In November 2018, ’806 March 15, 2019 April 2019. On January 24, 2019, ‘553 '553 March 25, 2019. April 8, 2019. On April 10, 2019, ClearOne, Inc. v. Shure Inc. 1:19 02421. ’553 The Company intends to continue to vigorously enforce and defend its intellectual property rights in the Illinois Action and the PTAB proceedings. During the twelve December 31, 2018 2017, $0 $1,111, $4,698 $2,289 twelve December 31, 2018 2017, Former Employee Litigation OSHA Complaint October 24, 2016, 18 1514A, August 17, 2016 ( March 2, 2017, Following negotiations between the parties, the parties executed a settlement agreement on December 7, 2017 ( no December 2017, not December 6, 2017. During the twelve December 31, 2018 2017, $0 $152, 2017 The Company maintains an Employment Practices Liability policy with Chubb/Federal Insurance Company (the “EPL Policy”). Based on the allegations contained in the OSHA Complaint, the Company has tendered a claim for coverage under the EPL Policy. In addition, the Company is also involved from time to time in various claims and legal proceedings which arise in the normal course of our business. Such matters are subject to many uncertainties and outcomes that are not not Conclusion We believe there are no no The Company believes it has adequately accrued for the aforementioned contingent liabilities. If adverse outcomes were to occur, our financial position, results of operations and cash flows could be negatively affected materially for the period in which the adverse outcomes are known.

Note 9 - Share-based Payments

Note 9 - Share-based Payments	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Shareholders' Equity and Share-based Payments [Text Block]	9. Employee Stock Option Plans The Company’s share-based incentive plan offering stock options is primarily through 2007 “2007 one The 2007 December 12, 2016. 2007 2,000,000 may may All vesting schedules for options granted are based on 3 4 one third one fourth first 3 4 December 31, 2018 ten As of December 31, 2018, 624,256 2007 December 31, 2018, 2007 870,838 no 1998 The Company uses judgment in determining the fair value of the share-based payments on the date of grant using an option-pricing model with assumptions regarding a number of highly complex and subjective variables. These variables include, but are not 718. In applying the Black-Scholes methodology to the options granted, the Company used the following assumptions: Year ended December 31, 2018 2017 Risk-free interest rate, average — 2.21 Expected option life, average (in years) — 7.9 Expected price volatility, average — 40.71 Expected dividend yield — 2.83 The risk-free interest rate is determined using the U.S. Treasury rate in effect as of the date of the grant, based on the expected life of the stock option. The expected life of the stock option is determined using historical data. The expected price volatility is determined using a weighted average of daily historical volatility of the Company’s stock price over the corresponding expected option life. Under guidelines of ASC Topic 718, The following table shows the stock option activity: Number of Shares Weighted Average Exercise Price Weighted Average Remaining Contractual Term (Years) Aggregate Intrinsic Value As of December 31, 2016 850,232 $ 8.06 5.78 $ 3,001 Granted 105,000 9.90 Expired and canceled (3,144 ) 10.29 Forfeited prior to vesting (8,996 ) 11.01 Exercised (178,662 ) 5.90 As of December 31, 2017 764,430 $ 8.78 6.48 $ 1,038 Granted — — Expired and canceled (106,108 ) 7.56 Forfeited prior to vesting (34,066 ) 10.79 Exercised — — As of December 31, 2018 624,256 $ 8.87 5.28 $ — Vested and Expected to Vest at December 31, 2017 764,430 $ 8.78 6.48 $ 1,038 Vested at December 31, 2017 529,669 $ 7.89 5.50 $ 1,033 Vested and Expected to Vest at December 31, 2018 624,256 $ 8.87 5.28 $ — Vested at December 31, 2018 548,045 $ 8.62 4.90 $ — The weighted average per share fair value of options granted during the years ending December 31, 2018 2017 $0 $3.31 December 31, 2018 2017 $0 $646 The total pre-tax compensation cost related to stock options recognized during the years ended December 31, 2018 2017 $463 $665, December 31, 2018 2017 $0. December 31, 2018, not $262, 1.17 Employee Stock Purchase Plan During the years ended December 31, 2018 2017, 2016 December 12, 2016. December 31, 2018 December 31, 2017, 442,994 466,783, 500,000 Jan 1 July 1, six not 5% During each offering period, each eligible employee may may 2,500 $25 85% 15% first Shares purchased and compensation expense associated with Employee Stock Purchase Plans were as follows: 2018 2017 Shares purchased under ESPP plan 23,789 9,110 Plan compensation expense $ 10 $ 13 Stock Repurchase Program and Cash Dividends On March 1, 2017, $10 twelve March 2018. During the twelve December 31, 2017, 551,936 $9.28 March 2016 March 2017. Before the program was terminated in March 2018, 17,549 $8.39 2018. Cash Dividends On February 21, 2018, $0.07 March 21, 2018 March 7, 2018. June 13, 2018, Issuance of Common Stock The Company raise additional capital through an oversubscribed subscription rights offering (the "Rights Offering") which closed on December 4, 2018 $9,883 one one $1.20 8,306,535 754,868

Note 10 - Significant Customers

Note 10 - Significant Customers	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	10. Sales to significant customers that represented more than 10 Year ended December 31, 2018 2017 Customer A * 16.1 % Total — 16.1 % The following table summarizes the percentage of total gross accounts receivable from significant customers: As of December 31, 2018 2017 Customer A * 20.3 % Customer B 14.5 % 11.0 % Customer C 11.8 % Total 26.3 % 31.3 % * Sales to Customer A (Starin Marketing) in 2018 not 10% 2018.

Note 11 - Fair Value Measuremen

Note 11 - Fair Value Measurements	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Fair Value Disclosures [Text Block]	11. The fair value of the Company’s financial instruments reflects the amounts that the Company estimates it will receive in connection with the sale of an asset or pay in connection with the transfer of a liability in an orderly transaction between market participants at the measurement date (exit price). The fair value hierarchy prioritizes the use of inputs used in valuation techniques into the following three Level 1 Level 2 not not Level 3 The substantial majority of the Company’s financial instruments are valued using quoted prices in active markets or based on other observable inputs. The following tables set forth the fair value of the financial instruments re-measured by the Company as of December 31, 2018 2017: Level 1 Level 2 Level 3 Total December 31, 2018 Corporate bonds and notes $ — $ 2,881 $ — $ 2,881 Municipal bonds — 1,834 — 1,834 Total $ — $ 4,715 $ — $ 4,715 December 31, 2017 Corporate bonds and notes $ — $ 8,428 $ — $ 8,428 Municipal bonds — 4,610 — 4,610 Total $ — $ 13,038 $ — $ 13,038

Note 12 - Income Taxes

Note 12 - Income Taxes	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Income Tax Disclosure [Text Block]	12. Consolidated income before taxes for domestic and foreign operations consisted of the following: Year ended December 31, 2018 2017 Domestic $ (7,751 ) $ (12,630 ) Foreign (2,496 ) (3,263 ) Total $ (10,247 ) $ (15,893 ) The Company’s (provision) for income taxes consisted of the following: Year ended December 31, 2018 2017 Current: Federal $ (71 ) $ 577 State 37 (66 ) Foreign 117 (682 ) Total current 83 (171 ) Deferred: Federal 2,233 1,497 State 667 480 Foreign 495 748 Total 3,395 2,725 Change in valuation allowance (9,918 ) (833 ) Total deferred (6,523 ) 1,892 Benefit/(provision) for income taxes $ (6,440 ) $ 1,721 The income tax benefit (provision) differs from that computed at the federal statutory corporate income tax rate as follows: Year ended December 31, 2018 2017 Tax benefit (provision) at federal statutory rate $ 2,152 $ 5,403 State income tax benefit (provision), net of federal benefit 413 439 Research and development tax credits 250 411 Subpart F inclusion — (370 ) Foreign earnings or losses taxed at different rates 12 (540 ) Tax rate change 23 (3,161 ) Other 628 372 Change in valuation allowance (9,918 ) (833 ) Tax benefit (provision) $ (6,440 ) $ 1,721 The tax effects of significant temporary differences representing net deferred tax assets and liabilities consisted of the following: 2018 2017 Deferred revenue $ 50 $ 738 Basis difference in intangible assets 3,283 3,403 Inventory reserve 2,235 2,089 Net operating loss carryforwards 4,067 1,627 Research and development tax credits 794 163 Accrued expenses 143 75 Stock-based compensation 362 327 Allowance for sales returns and doubtful accounts 160 119 Difference in property and equipment basis (185 ) (212 ) Other 551 438 Total net deferred income tax asset 11,460 8,767 Less: Valuation allowance (11,460 ) (2,236 ) Net deferred income tax asset (liability) $ — $ 6,531 The Company has not 740, Accounting for Income Taxes not The Company routinely evaluates the likelihood of realizing the benefit of its deferred tax assets and may not not December 31, 2018, $11.5 ● sufficient taxable income within the allowed carryback or carryforward periods; ● future reversals of existing taxable temporary differences, including any tax planning strategies that could be utilized; ● nature or character (e.g., ordinary vs. capital) of the deferred tax assets and liabilities; and ● future taxable income exclusive of reversing temporary differences and carryforwards. Based on the foregoing criteria, the Company determined that it no not” September 30, 2018, December 31, 2018. The Company has federal and state net operating loss (“NOL”) carryforwards of approximately $ 8.4 $7.5 not Effective July 1, 2007, two not” 50 The total amount of unrecognized tax benefits at December 31, 2018 2017, $679 $647, December 31, 2018 2017, $15 $14, Although we believe our estimates are reasonable, we can make no not A reconciliation of the beginning and ending amount of liabilities associated with uncertain tax positions is as follows: Year ended December 31, 2018 2017 Balance - beginning of year $ 652 $ 1,189 Additions based on tax positions related to the current year 58 67 Additions for tax positions of prior years 118 520 Reductions for tax positions of prior years (53 ) - Settlements - (165 ) Lapse in statutes of limitations (96 ) (959 ) Uncertain tax positions, ending balance $ 679 $ 652 The Company’s U.S. federal income tax returns for 2015 2018 no 2015. 2012 2013 2017. no The Inland Revenue Department of Hong Kong, a Special Administrative Region (the “IRD”), commenced an examination of the Company’s Hong Kong profits tax returns for 2009 2011 fourth 2012, December 31, 2017. no twelve

Note 13 - Geographic Sales Info

Note 13 - Geographic Sales Information	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	13. The United States was the only country to contribute more than 10 Year ended December 31, 2018 2017 United States $ 14,783 $ 24,569 All other countries 13,373 17,235 Total $ 28,156 $ 41,804

Significant Accounting Policies

Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2018
Accounting Policies [Abstract]
Fiscal Period, Policy [Policy Text Block]	Fiscal Year 10 December 31, 2018 2017 2018 2017.
Consolidation, Policy [Policy Text Block]	Consolidation
Use of Estimates, Policy [Policy Text Block]	Use of Estimates
Foreign Currency Transactions and Translations Policy [Policy Text Block]	Foreign Currency Translation
Concentration Risk, Credit Risk, Policy [Policy Text Block]	Concentration Risk third may no second
Cash and Cash Equivalents, Policy [Policy Text Block]	Cash Equivalents three may
Marketable Securities, Policy [Policy Text Block]	Marketable Securities - A decline in the market value of any available-for-sale security below cost that is deemed other than temporary results in a charge to earnings and establishes a new cost basis for the security. Losses are charged against “Other income” when a decline in fair value is determined to be other than temporary. We review several factors to determine whether a loss is other than temporary. These factors include, but are not no December 31, 2018 2017.
Trade and Other Accounts Receivable, Policy [Policy Text Block]	Accounts Receivable not may The allowance for doubtful accounts is the Company’s best estimate of the amount of probable credit losses in the Company’s existing accounts receivable. Management regularly analyzes accounts receivable including current aging, historical write-off experience, customer concentrations, customer creditworthiness, and current economic trends when evaluating the adequacy of the allowance for doubtful accounts. We review customer accounts quarterly by first not may The Company’s allowance for doubtful accounts activity for the years ended December 31, 2018 2017 Year Ended December 31, 201 8 201 7 Balance at beginning of the year $ 472 $ 187 Allowance increase (decrease) 159 287 Write offs, net of recoveries - (2 ) Balance at end of the year $ 631 $ 472
Inventory, Policy [Policy Text Block]	Inventories first first not Distributor channel inventories include products that have been delivered to customers for which revenue recognition criteria have not The inventory also includes advance replacement units (valued at cost) provided by the Company to end-users to service defective products under warranty. The value of advance replacement units included in the inventory was $184 $76, December 31, 2018 2017, The inventory consists of current inventory of $13,228 $8,953. 12
Property, Plant and Equipment, Policy [Policy Text Block]	Property and Equipment two ten
Goodwill and Intangible Assets, Policy [Policy Text Block]	Goodwill and Intangible Assets – three ten not Impairment of Goodwill - 350, Intangibles – Goodwill and Other fourth We assess the recoverability of our one not not not two Note 3 one In the first not no second The second During the third September 30, 2017, $12,724, no December 31, 2018.
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]	Impairment of Long-Lived Assets - may not During the twelve December 31, 2017 $769
Change in Accounting Policy [Policy Text Block]	Adoption of New Revenue Standard: January 1, 2018, No. 2014 09 606 2014 09” No. 2015 14 606 2015 14” No. 2016 08 606 2016 08” No. 2016 10 606 2016 10” No. 2016 12 606 2016 12” No. 2016 20 606, 2016 20” Change in Accounting Policy: January 1, 2018, $2,783, $4,338 $1,555 not not Prior to our change in accounting policy, revenue from product sales to distributors was not not After the change in the accounting policy, substantially all of the Company’s revenue is recognized following the transfer of control of the products to the customer, which typically occurs upon shipment or delivery depending on the terms of the underlying contracts. During the 12 months ended December 31, 2018, $1,252
Revenue Recognition, Policy [Policy Text Block]	Revenue Recognition Policy: five 1 2 3 4 5 Sales agreements with customers are renewable periodically and contain terms and conditions with respect to payment, delivery, warranty and supply, but typically do not In determining the transaction price, the Company evaluates whether the price is subject to refund or adjustment to determine the net consideration to which the Company expects to be entitled. Sales to distributors, are typically made pursuant to agreements that provide return rights with respect to discontinued or slow-moving products, referred to as stock rotation. Sales to distributors can also be subject to price adjustment on certain products, primarily for distributors with drop-shipping rights. Although payment terms vary, most distributor agreements require payment within 45 The Company recognizes revenue when it satisfies a performance obligation. The Company recognizes revenue from sales agreements upon transferring control of a product to the customer. This typically occurs when products are shipped or delivered, depending on the delivery terms, or when products that are consigned at customer locations are sold to dealers or end users. Revenue recognized during the twelve December 31, 2018 $27,369, $787. Frequently, the Company receives orders with multiple delivery dates that may 45 30 one not The Company has elected to record freight and handling costs associated with outbound freight after control over a product has transferred to a customer as a fulfillment cost and include it in cost of revenues. Taxes assessed by government authorities on revenue-producing transactions, including value-added and excise taxes, are presented on a net basis (excluded from revenues) in the consolidated statements of operations and comprehensive income. The details of deferred revenue and associated cost of goods sold and gross profit are as follows: As of December 31, 2018 2017 Deferred revenue $ 283 $ 4,635 Deferred cost of goods sold - 1,555 Deferred gross profit $ 283 $ 3,080 The Company offers rebates and market development funds to certain of its distributors, dealers/resellers, and end-users based upon the volume of product purchased by them. The Company records rebates as a reduction of revenue in accordance with GAAP. The Company provides, at its discretion, advance replacement units to end-users on defective units of certain products under warranty. Since the purpose of these units is not The following table disaggregates the Company’s revenue into primary product groups: Twelve months ended December 31, 2018 Twelve months ended December 31, 2017 Audio Conferencing $ 13,946 $ 21,078 Microphones 9,012 13,430 Video products 5,198 7,296 $ 28,156 $ 41,804 The following table disaggregates the Company’s revenue into major regions: Twelve months ended December 31, 2018 Twelve months ended December 31, 2017 North and South America $ 16,534 $ 26,310 Asia (including Middle East) and Australia 7,924 11,087 Europe and Africa 3,698 4,407 $ 28,156 $ 41,804
Standard Product Warranty, Policy [Policy Text Block]	Warranty Costs The details of changes in the Company’s warranty accrual are as follows: Year Ended December 31, 2018 2017 Balance at the beginning of year $ 245 $ 246 Accruals/additions 288 399 Usage/claims (339 ) (400 ) Balance at end of year $ 194 $ 245
Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block]	Advertising December 31, 2018 2017 $1,037 $1,079,
Research and Development Expense, Policy [Policy Text Block]	Research and Product Development Costs ● sufficient taxable income within the allowed carryback or carryforward periods; ● future reversals of existing taxable temporary differences, including any tax planning strategies that could be utilized; ● nature or character (e.g., ordinary vs. capital) of the deferred tax assets and liabilities; and ● future taxable income exclusive of reversing temporary differences and carryforwards.
Income Tax, Policy [Policy Text Block]	Income Taxes not may not 2018, three not not December 31, 2018, no Recent changes: December 22, 2017, January 1, 2018, not 1 35 21 2 3 4 5 6 7 one 8 50 9 December 31, 2017. Shortly after enactment, the Securities and Exchange Commission issued Staff Accounting Bulletin No. 118 118" December 31, 2017. may not may 12 118. The Transition Tax is based on the Company's post- 1986 not The reduction in the corporate tax rate to 21 January 1, 2018. $3.3 $3.3 December 31, 2017. The impact of the Tax Act may 12 may may The Company follows the provisions contained in ASC Topic 740, Income Taxes. not
Earnings Per Share, Policy [Policy Text Block]	Earnings Per Share Year Ended December 31, 2018 2017 Numerator: Net loss $ (16,687 ) $ (14,172 ) Denominator: Basic weighted average shares 8,942,629 8,576,588 Dilutive common stock equivalents using treasury stock method - - Diluted weighted average shares 8,942,629 8,576,588 Basic loss per common share: $ (1.87 ) $ (1.65 ) Diluted loss per common share: $ (1.87 ) $ (1.65 ) Weighted average options outstanding 713,331 815,870 Anti-dilutive options not included in the computation 713,331 815,870
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]	Share-Based Payment
New Accounting Pronouncements, Policy [Policy Text Block]	Recent Accounting Pronouncements - February 2016, No. 2016 02, 842 12 December 15, 2018 December 15, 2018. August 2018, 2018 11, 842, not 842, January 1, 2019 2018 11. one In August 2016, No. 2016 15, eight 2016 15 January 1, 2018. 2016 15 no In May 2017, No. 2017 09, 718 1 2 718, January 1, 2018. 2017 09 not

Note 1 - Business Description_2

Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	Year Ended December 31, 201 8 201 7 Balance at beginning of the year $ 472 $ 187 Allowance increase (decrease) 159 287 Write offs, net of recoveries - (2 ) Balance at end of the year $ 631 $ 472
Schedule of Deferred Revenue and Associated Cost of Goods Sold and Gross Profit [Table Text Block]	As of December 31, 2018 2017 Deferred revenue $ 283 $ 4,635 Deferred cost of goods sold - 1,555 Deferred gross profit $ 283 $ 3,080
Disaggregation of Revenue [Table Text Block]	Twelve months ended December 31, 2018 Twelve months ended December 31, 2017 Audio Conferencing $ 13,946 $ 21,078 Microphones 9,012 13,430 Video products 5,198 7,296 $ 28,156 $ 41,804 Twelve months ended December 31, 2018 Twelve months ended December 31, 2017 North and South America $ 16,534 $ 26,310 Asia (including Middle East) and Australia 7,924 11,087 Europe and Africa 3,698 4,407 $ 28,156 $ 41,804
Schedule of Product Warranty Liability [Table Text Block]	Year Ended December 31, 2018 2017 Balance at the beginning of year $ 245 $ 246 Accruals/additions 288 399 Usage/claims (339 ) (400 ) Balance at end of year $ 194 $ 245
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Year Ended December 31, 2018 2017 Numerator: Net loss $ (16,687 ) $ (14,172 ) Denominator: Basic weighted average shares 8,942,629 8,576,588 Dilutive common stock equivalents using treasury stock method - - Diluted weighted average shares 8,942,629 8,576,588 Basic loss per common share: $ (1.87 ) $ (1.65 ) Diluted loss per common share: $ (1.87 ) $ (1.65 ) Weighted average options outstanding 713,331 815,870 Anti-dilutive options not included in the computation 713,331 815,870

Note 2 - Marketable Securities

Note 2 - Marketable Securities (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]	Amortized cost Gross unrealized holding gains Gross unrealized holding losses Estimated fair value December 31, 201 8 Available-for-sale securities: Corporate bonds and notes $ 2,911 $ 1 $ (31 ) $ 2,881 Municipal bonds 1,849 — (15 ) 1,834 Total available-for-sale securities $ 4,760 $ 1 $ (46 ) $ 4,715 December 31, 201 7 Available-for-sale securities: Corporate bonds and notes $ 8,458 $ 19 $ (49 ) $ 8,428 Municipal bonds 4,637 1 (28 ) 4,610 Total available-for-sale securities $ 13,095 $ 20 $ (77 ) $ 13,038
Available-for-sale Securities, Debt Maturities [Table Text Block]	Amortized Estimated cost fair value Due within one year $ 955 $ 951 Due after one year through five years 3,805 3,764 Total available-for-sale securities $ 4,760 $ 4,715
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]	Less than 12 months More than 12 months Total Estimated fair value Gross unrealized holding losses Estimated fair value Gross unrealized holding losses Estimated fair value Gross unrealized holding losses As of December 31, 201 8 Corporate bonds and notes $ — $ — $ 2,881 $ 31 $ 2,881 $ 31 Municipal bonds — — 1,834 15 1,834 15 $ — $ — $ 4,715 $ 46 $ 4,715 $ 46

Note 3 - Business Combination_2

Note 3 - Business Combinations, Goodwill and Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]	Estimated useful lives As of December 31, (in years) 201 8 201 7 Tradename 5 to 7 $ 555 $ 555 Patents and technological know-how 10 13,377 8,578 Proprietary software 3 to 15 2,981 2,981 Other 3 to 5 323 323 Total intangible assets, gross 17,236 12,437 Accumulated amortization (6,987 ) (5,894 ) Total intangible assets, net $ 10,249 $ 6,543
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	Years ending December 31, 2019 $ 1,226 2020 1,048 2021 1,048 2022 1,048 2023 866 Thereafter 5,013 Total $ 10,249

Note 4 - Inventories (Tables)

Note 4 - Inventories (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedule of Inventory Current and Noncurrent [Table Text Block]	As of December 31, 2018 2017 Current: Raw materials $ 1,795 $ 197 Finished goods 11,433 14,218 Total $ 13,228 $ 14,415 Long-term: Raw materials $ 2,165 $ 2,682 Finished goods 6,788 6,026 Total $ 8,953 $ 8,708

Note 5 - Property and Equipme_2

Note 5 - Property and Equipment (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Property, Plant and Equipment [Table Text Block]	Estimated useful lives As of December 31, in years 201 8 201 7 Office furniture and equipment 3 to 10 $ 5,041 $ 4,904 Leasehold improvements 1 to 6 1,570 1,509 Vehicles 5 to 10 206 160 Manufacturing and test equipment 2 to 10 2,633 2,577 9,450 9,150 Accumulated depreciation and amortization (8,062 ) (7,601 ) Property and equipment, net $ 1,388 $ 1,549

Note 6 - Leases and Deferred _2

Note 6 - Leases and Deferred Rent (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]	Years ending December 31, 2019 $ 809 2020 700 2021 646 2022 595 2023 606 Thereafter 375 Total minimum lease payments $ 3,731

Note 7 - Accrued Liabilities (T

Note 7 - Accrued Liabilities (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	As of December 31, 201 8 201 7 Accrued salaries and other compensation $ 882 $ 1,072 Sales and marketing programs 537 435 Product warranty 194 245 Other accrued liabilities 383 91 Total $ 1,996 $ 1,843

Note 9 - Share-based Payments (

Note 9 - Share-based Payments (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Year ended December 31, 2018 2017 Risk-free interest rate, average — 2.21 Expected option life, average (in years) — 7.9 Expected price volatility, average — 40.71 Expected dividend yield — 2.83
Share-based Compensation, Stock Options, Activity [Table Text Block]	Number of Shares Weighted Average Exercise Price Weighted Average Remaining Contractual Term (Years) Aggregate Intrinsic Value As of December 31, 2016 850,232 $ 8.06 5.78 $ 3,001 Granted 105,000 9.90 Expired and canceled (3,144 ) 10.29 Forfeited prior to vesting (8,996 ) 11.01 Exercised (178,662 ) 5.90 As of December 31, 2017 764,430 $ 8.78 6.48 $ 1,038 Granted — — Expired and canceled (106,108 ) 7.56 Forfeited prior to vesting (34,066 ) 10.79 Exercised — — As of December 31, 2018 624,256 $ 8.87 5.28 $ — Vested and Expected to Vest at December 31, 2017 764,430 $ 8.78 6.48 $ 1,038 Vested at December 31, 2017 529,669 $ 7.89 5.50 $ 1,033 Vested and Expected to Vest at December 31, 2018 624,256 $ 8.87 5.28 $ — Vested at December 31, 2018 548,045 $ 8.62 4.90 $ —
Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block]	2018 2017 Shares purchased under ESPP plan 23,789 9,110 Plan compensation expense $ 10 $ 13

Note 10 - Significant Custome_2

Note 10 - Significant Customers (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]	Year ended December 31, 2018 2017 Customer A * 16.1 % Total — 16.1 % As of December 31, 2018 2017 Customer A * 20.3 % Customer B 14.5 % 11.0 % Customer C 11.8 % Total 26.3 % 31.3 %

Note 11 - Fair Value Measurem_2

Note 11 - Fair Value Measurements (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Level 1 Level 2 Level 3 Total December 31, 2018 Corporate bonds and notes $ — $ 2,881 $ — $ 2,881 Municipal bonds — 1,834 — 1,834 Total $ — $ 4,715 $ — $ 4,715 December 31, 2017 Corporate bonds and notes $ — $ 8,428 $ — $ 8,428 Municipal bonds — 4,610 — 4,610 Total $ — $ 13,038 $ — $ 13,038

Note 12 - Income Taxes (Tables)

Note 12 - Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]	Year ended December 31, 2018 2017 Domestic $ (7,751 ) $ (12,630 ) Foreign (2,496 ) (3,263 ) Total $ (10,247 ) $ (15,893 )
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	Year ended December 31, 2018 2017 Current: Federal $ (71 ) $ 577 State 37 (66 ) Foreign 117 (682 ) Total current 83 (171 ) Deferred: Federal 2,233 1,497 State 667 480 Foreign 495 748 Total 3,395 2,725 Change in valuation allowance (9,918 ) (833 ) Total deferred (6,523 ) 1,892 Benefit/(provision) for income taxes $ (6,440 ) $ 1,721
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	Year ended December 31, 2018 2017 Tax benefit (provision) at federal statutory rate $ 2,152 $ 5,403 State income tax benefit (provision), net of federal benefit 413 439 Research and development tax credits 250 411 Subpart F inclusion — (370 ) Foreign earnings or losses taxed at different rates 12 (540 ) Tax rate change 23 (3,161 ) Other 628 372 Change in valuation allowance (9,918 ) (833 ) Tax benefit (provision) $ (6,440 ) $ 1,721
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	2018 2017 Deferred revenue $ 50 $ 738 Basis difference in intangible assets 3,283 3,403 Inventory reserve 2,235 2,089 Net operating loss carryforwards 4,067 1,627 Research and development tax credits 794 163 Accrued expenses 143 75 Stock-based compensation 362 327 Allowance for sales returns and doubtful accounts 160 119 Difference in property and equipment basis (185 ) (212 ) Other 551 438 Total net deferred income tax asset 11,460 8,767 Less: Valuation allowance (11,460 ) (2,236 ) Net deferred income tax asset (liability) $ — $ 6,531
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]	Year ended December 31, 2018 2017 Balance - beginning of year $ 652 $ 1,189 Additions based on tax positions related to the current year 58 67 Additions for tax positions of prior years 118 520 Reductions for tax positions of prior years (53 ) - Settlements - (165 ) Lapse in statutes of limitations (96 ) (959 ) Uncertain tax positions, ending balance $ 679 $ 652

Note 13 - Geographic Sales In_2

Note 13 - Geographic Sales Information (Tables)	12 Months Ended
	Dec. 31, 2018
Notes Tables
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]	Year ended December 31, 2018 2017 United States $ 14,783 $ 24,569 All other countries 13,373 17,235 Total $ 28,156 $ 41,804

Note 1 - Business Description_3

Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2018
Inventory, Net, Total			$ 13,228	$ 14,415
Inventory, Noncurrent, Total			$ 8,953	8,708
Number of Reporting Units			1
Goodwill, Impairment Loss		$ 12,724	$ 0	12,724
Cumulative Effect of New Accounting Principle in Period of Adoption				2,782
Contract with Customer, Liability, Current			283	4,635
Retail Related Inventory, Total				1,555
Revenue from Contract with Customer, Including Assessed Tax			28,156	41,804
Advertising Expense			$ 1,037	$ 1,079
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	35.00%
Increase (Decrease) of Net Deferred Tax Assets				$ (3,300)
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability				3,300
Equipment Sales [Member]
Revenue from Contract with Customer, Including Assessed Tax			$ 27,369
Software and Licenses [Member]
Revenue from Contract with Customer, Including Assessed Tax			$ 787
Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption				2,782
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Contract with Customer, Liability, Current					$ (4,338)
Retail Related Inventory, Total					(1,555)
Revenue from Contract with Customer, Including Assessed Tax	$ 1,252
Accounting Standards Update 2014-09 [Member] | Retained Earnings [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption					$ 2,783
Customer Relationships [Member]
Impairment of Intangible Assets, Finite-lived				769
Minimum [Member]
Property, Plant and Equipment, Useful Life			2 years
Finite-Lived Intangible Asset, Useful Life			3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life			10 years
Finite-Lived Intangible Asset, Useful Life			10 years
Advance Replacement Units [Member]
Inventory, Net, Total			$ 184	$ 76

Note 1 - Business Description_4

Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Allowance for Doubtful Accounts Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Balance at beginning of the year	$ 472	$ 187
Allowance increase (decrease)	159	287
Write offs, net of recoveries		(2)
Balance at end of the year	$ 631	$ 472

Note 1 - Business Description_5

Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Deferred Revenue and Associated Costs of Goods Sold and Gross Profit (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred revenue	$ 283	$ 4,635
Deferred cost of goods sold		1,555
Deferred gross profit	$ 283	$ 3,080

Note 1 - Business Description_6

Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Revenue by Product Group (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenue from Contract with Customer, Including Assessed Tax	$ 28,156	$ 41,804
Americas [Member]
Revenue from Contract with Customer, Including Assessed Tax	16,534	26,310
Asia Middle East and Australia [Member]
Revenue from Contract with Customer, Including Assessed Tax	7,924	11,087
Europe and Africa [Member]
Revenue from Contract with Customer, Including Assessed Tax	3,698	4,407
Audio Conferencing [Member]
Revenue from Contract with Customer, Including Assessed Tax	13,946	21,078
Microphones [Member]
Revenue from Contract with Customer, Including Assessed Tax	9,012	13,430
Video Products [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 5,198	$ 7,296

Note 1 - Business Description_7

Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Warranty Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Balance at the beginning of year	$ 245	$ 246
Accruals/additions	288	399
Usage/claims	(339)	(400)
Balance at end of year	$ 194	$ 245

Note 1 - Business Description_8

Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net loss	$ (16,687)	$ (14,172)
Basic weighted average shares outstanding (in shares)	8,942,629	8,576,588
Dilutive common stock equivalents using treasury stock method (in shares)
Diluted weighted average shares outstanding (in shares)	8,942,629	8,576,588
Basic loss per common share: (in dollars per share)	$ (1.87)	$ (1.65)
Diluted loss per common share: (in dollars per share)	$ (1.87)	$ (1.65)
Weighted average options outstanding (in shares)	713,331	815,870
Anti-dilutive options not included in the computation (in shares)	713,331	815,870

Note 2 - Marketable Securitie_2

Note 2 - Marketable Securities - Available-for-sale Securities by Major Security Type (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Amortized cost	$ 4,760	$ 13,095
Gross unrealized holding gains	1	20
Gross unrealized holding losses	(46)	(77)
Available-for-sale securities	4,715	13,038
Corporate Debt Securities [Member]
Amortized cost	2,911	8,458
Gross unrealized holding gains	1	19
Gross unrealized holding losses	(31)	(49)
Available-for-sale securities	2,881	8,428
US States and Political Subdivisions Debt Securities [Member]
Amortized cost	1,849	4,637
Gross unrealized holding gains		1
Gross unrealized holding losses	(15)	(28)
Available-for-sale securities	$ 1,834	$ 4,610

Note 2 - Marketable Securitie_3

Note 2 - Marketable Securities - Maturities of Available-for-sale Securities (Details) $ in Thousands	Dec. 31, 2018USD ($)
Due within one year, amortized cost	$ 955
Due within one year, estimated fair value	951
Due after one year through five years, amortized cost	3,805
Due after one year through five years, estimated fair value	3,764
Total available-for-sale securities, amortized cost	4,760
Total available-for-sale securities, estimated fair value	$ 4,715

Note 2 - Marketable Securitie_4

Note 2 - Marketable Securities - Available-for-sale Marketable Securities in Gross Unrealized Loss Position (Details) $ in Thousands	Dec. 31, 2018USD ($)
Estimated fair value, less than 12 months
Gross unrealized holding losses, less than 12 months
Estimated fair value, more than 12 months	4,715
Gross unrealized holding losses, more than 12 months	46
Estimated fair value	4,715
Gross unrealized holding losses	46
Corporate Debt Securities [Member]
Estimated fair value, less than 12 months
Gross unrealized holding losses, less than 12 months
Estimated fair value, more than 12 months	2,881
Gross unrealized holding losses, more than 12 months	31
Estimated fair value	2,881
Gross unrealized holding losses	31
US States and Political Subdivisions Debt Securities [Member]
Estimated fair value, less than 12 months
Gross unrealized holding losses, less than 12 months
Estimated fair value, more than 12 months	1,834
Gross unrealized holding losses, more than 12 months	15
Estimated fair value	1,834
Gross unrealized holding losses	$ 15

Note 3 - Business Combination_3

Note 3 - Business Combinations, Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2018	Dec. 31, 2017
Goodwill, Period Increase (Decrease), Total			$ (12,724)
Goodwill, Impairment Loss	$ 12,724	$ 0	12,724
Capitalized Legal Expenses, Net of Amortization, Related to Defense of Patents from Infringement		6,627,000
Amortization of Intangible Assets, Total		$ 1,093	$ 932

Note 3 - Business Combination_4

Note 3 - Business Combinations, Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Intangible assets, gross	$ 17,236	$ 12,437
Accumulated amortization	(6,987)	(5,894)
Total	$ 10,249	6,543
Minimum [Member]
Estimated useful lives (Year)	3 years
Maximum [Member]
Estimated useful lives (Year)	10 years
Trade Names [Member]
Intangible assets, gross	$ 555	555
Trade Names [Member] | Minimum [Member]
Estimated useful lives (Year)	5 years
Trade Names [Member] | Maximum [Member]
Estimated useful lives (Year)	7 years
Patents and Technological Know-how [Member]
Estimated useful lives (Year)	10 years
Intangible assets, gross	$ 13,377	8,578
Proprietary Software [Member]
Intangible assets, gross	$ 2,981	2,981
Proprietary Software [Member] | Minimum [Member]
Estimated useful lives (Year)	3 years
Proprietary Software [Member] | Maximum [Member]
Estimated useful lives (Year)	15 years
Other Intangible Assets [Member]
Intangible assets, gross	$ 323	$ 323
Other Intangible Assets [Member] | Minimum [Member]
Estimated useful lives (Year)	3 years
Other Intangible Assets [Member] | Maximum [Member]
Estimated useful lives (Year)	5 years

Note 3 - Business Combination_5

Note 3 - Business Combinations, Goodwill and Intangible Assets - Estimated Future Amortization Expense of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
2019	$ 1,226
2020	1,048
2021	1,048
2022	1,048
2023	866
Thereafter	5,013
Total	$ 10,249	$ 6,543

Note 4 - Inventories (Details T

Note 4 - Inventories (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Distributor Channel Inventories	$ 0	$ 1,555,000
Inventory Write-down	$ 787,000	$ 649,000

Note 4 - Inventories - Inventor

Note 4 - Inventories - Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Raw materials	$ 1,795	$ 197
Finished goods	11,433	14,218
Total	13,228	14,415
Raw materials	2,165	2,682
Finished goods	6,788	6,026
Total	$ 8,953	$ 8,708

Note 5 - Property and Equipme_3

Note 5 - Property and Equipment (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Depreciation, Total	$ 497	$ 599
Property, Plant and Equipment, Disposals		$ 128

Note 5 - Property and Equipme_4

Note 5 - Property and Equipment - Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment, Gross	$ 9,450	$ 9,150
Accumulated Depreciation and Amortization	(8,062)	(7,601)
Property, Plant and Equipment, Net	1,388	1,549
Office Furniture and Equipment [Member]
Property, Plant and Equipment, Gross	5,041	4,904
Leasehold Improvements [Member]
Property, Plant and Equipment, Gross	1,570	1,509
Vehicles [Member]
Property, Plant and Equipment, Gross	206	160
Manufacturing and Test Equipment [Member]
Property, Plant and Equipment, Gross	$ 2,633	$ 2,577
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	2 years
Minimum [Member] | Office Furniture and Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Minimum [Member] | Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	1 year
Minimum [Member] | Vehicles [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Minimum [Member] | Manufacturing and Test Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	2 years
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Maximum [Member] | Office Furniture and Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Maximum [Member] | Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	6 years
Maximum [Member] | Vehicles [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Maximum [Member] | Manufacturing and Test Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years

Note 6 - Leases and Deferred _3

Note 6 - Leases and Deferred Rent (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2018USD ($)ft²a	Dec. 31, 2017USD ($)
Operating Leases, Rent Expense, Total | $	$ 1,053	$ 999
Amortization of Deferred Charges, Total | $	$ 12	$ 44
Facility in Gainesville [Member]
Area of Real Estate Property	5,000
Lessee, Operating Lease, Renewal Term	10 years
Facility in Salt Lake City [Member]
Area of Real Estate Property	21,443
Lessee, Operating Lease, Renewal Term	5 years
Warehouse in Shenzhen, China [Member]
Area of Real Estate Property	10,700
Facility in Austin, Texas [Member[
Area of Real Estate Property	7,070
Facility in Zaragoza, Spain [Member]
Area of Real Estate Property | a	3,068
Facility in Chennai, India [Member]
Area of Real Estate Property | a	6,175
Warehouse in Salt Lake City, Utah [Member]
Area of Real Estate Property	40,000

Note 6 - Leases and Deferred _4

Note 6 - Leases and Deferred Rent - Future Minimum Lease Payments (Details) $ in Thousands	Dec. 31, 2018USD ($)
2019	$ 809
2020	700
2021	646
2022	595
2023	606
Thereafter	375
Total minimum lease payments	$ 3,731

Note 7 - Accrued Liabilities -

Note 7 - Accrued Liabilities - Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accrued salaries and other compensation	$ 882	$ 1,072
Sales and marketing programs	537	435
Product warranty	194	245
Other accrued liabilities	383	91
Total	$ 1,996	$ 1,843

Note 8 - Commitments and Cont_2

Note 8 - Commitments and Contingencies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Long-term Purchase Commitment, Amount	$ 1,247,000
Unrecognized Tax Benefits, Ending Balance	679,000	$ 652,000	$ 1,189,000
Other Accrued Liabilities, Noncurrent	0	152,000
Litigation for Intellectual Property Infringement [Member]
Litigation Settlement, Expense	0	1,111,000
Litigation Settlement, Expense Capitalized	$ 4,698,000	$ 2,289,000

Note 9 - Share-based Payments_2

Note 9 - Share-based Payments (Details Textual) - USD ($)	Dec. 04, 2018	Feb. 21, 2018	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2018	Mar. 01, 2017	Dec. 31, 2016	Dec. 12, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period			10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance			624,256	764,430			850,232
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 0	$ 3.31
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value			$ 0	$ 646,000
Allocated Share-based Compensation Expense, Total			463,000	665,000
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense			0	0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options			$ 262,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition			1 year 62 days
Stock Issued During Period, Value, Employee Stock Purchase Plan			$ 39,000	$ 66,000
Stock Repurchase Program, Additional Authorized Amount						$ 10,000,000
Stock Repurchased During Period, Shares				551,936	17,549
Share Repurchase Program, Average Purchase Price Per Share				$ 9.28	$ 8.39
Common Stock, Dividends, Per Share, Declared		$ 0.07
Proceeds from Issuance of Common Stock	$ 9,883,000		$ 9,883,000
Shares Issued, Price Per Share	$ 1.20
Number of Shares, Oversubscribed	754,868
Dividends Payable, Date to be Paid		Mar. 21, 2018
Dividends Payable, Date of Record		Mar. 7, 2018
Common Stock [Member]
Stock Issued During Period, Shares, Employee Stock Purchase Plans			23,789	9,110
Stock Issued During Period, Value, Employee Stock Purchase Plan
Stock Repurchased During Period, Shares			17,549	551,936
Stock Issued During Period, Shares, New Issues	8,306,535		8,306,535
Directors and Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
Other Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
The 2007 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized								2,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance			624,256
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares, Authorized and Unissued			870,838
The 2007 Equity Incentive Plan [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
The 2007 Equity Incentive Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
The 1998 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares, Authorized and Unissued			0
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant			442,994	466,783
ESPP Participation Criteria, Maximum Percentage of Voting Power			5.00%
Stock Issued During Period, Shares, Employee Stock Purchase Plans			23,789	9,110
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent			85.00%
Share-based Compensation Arrangement by Share-based Payment Award, Discount on Purchase Price of Common Stock, Percent			15.00%
Employee Stock Purchase Plan [Member] | Maximum [Member]
Stock Issued During Period, Shares, Employee Stock Purchase Plans			2,500
Stock Issued During Period, Value, Employee Stock Purchase Plan			$ 25,000

Note 9 - Share-based Payments -

Note 9 - Share-based Payments - Black-scholes Assumptions (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Risk-free interest rate, average		2.21%
Expected option life, average (Year)		7 years 328 days
Expected price volatility, average		40.71%
Expected dividend yield		2.83%

Note 9 - Share-based Payments_3

Note 9 - Share-based Payments - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Number of shares, outstanding at beginning of period (in shares)	764,430	850,232
Weighted average exercise price, beginning of period (in dollars per share)	$ 8.78	$ 8.06
Weighted average remaining contractual term (Year)	5 years 102 days	6 years 175 days	5 years 284 days
Aggregate intrinsic value		$ 1,038	$ 3,001
Number of shares, granted (in shares)		105,000
Weighted average exercise price, granted (in dollars per share)		$ 9.90
Number of shares, expired and canceled (in shares)	(106,108)	(3,144)
Weighted average exercise price, expired and canceled (in dollars per share)	$ 7.56	$ 10.29
Number of shares, forfeited prior to vesting (in shares)	(34,066)	(8,996)
Weighted average exercise price, forfeited prior to vesting (in dollars per share)	$ 10.79	$ 11.01
Number of shares, exercised (in shares)		(178,662)
Weighted average exercise price, exercised (in dollars per share)		$ 5.90
Number of shares, outstanding at end of period (in shares)	624,256	764,430	850,232
Weighted average exercise price, end of period (in dollars per share)	$ 8.87	$ 8.78	$ 8.06
Number of shares, vested and expected to vest (in shares)	624,256	764,430
Weighted average exercise price, vested and expected to vest (in dollars per share)	$ 8.87	$ 8.78
Weighted average remaining contractual term, vested and expected to vest (Year)	5 years 102 days	6 years 175 days
Aggregate intrinsic value, vested and expected to vest		$ 1,038
Number of shares, vested at end of period (in shares)	548,045	529,669
Weighted average exercise price, vested at end of period (in dollars per share)	$ 8.62	$ 7.89
Weighted average remaining contractual term, vested (Year)	4 years 328 days	5 years 182 days
Aggregate intrinsic value, vested		$ 1,033

Note 9 - Share-based Payments_4

Note 9 - Share-based Payments - Employee Stock Purchase Plans (Details) - Employee Stock Purchase Plan [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Shares purchased under ESPP plan (in shares)	23,789	9,110
Plan compensation expense	$ 10	$ 13

Note 10 - Significant Custome_3

Note 10 - Significant Customers - Concentration Risk by Risk Factor of Sales Revenue and Accounts Receivable (Details) - Customer Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2018		Dec. 31, 2017
Sales Revenue, Net [Member]
Concentration risk, percentage			16.10%
Sales Revenue, Net [Member] | Customer A [Member]
Concentration risk, percentage		[1]	16.10%
Accounts Receivable [Member]
Concentration risk, percentage	26.30%		31.30%
Accounts Receivable [Member] | Customer A [Member]
Concentration risk, percentage		[1]	20.30%
Accounts Receivable [Member] | Customer B [Member]
Concentration risk, percentage	14.50%		11.00%
Accounts Receivable [Member] | Customer C [Member]
Concentration risk, percentage	11.80%
[1]	Sales to Customer A (Starin Marketing) in 2018 did not exceed 10% of the revenue. Customer A ceased to be a ClearOne distributor in 2018.

Note 11 - Fair Value Measurem_3

Note 11 - Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Available-for-sale securities	$ 4,715	$ 13,038
Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities
Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities	4,715	13,038
Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities
Corporate Debt Securities [Member]
Available-for-sale securities	2,881	8,428
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities	2,881	8,428
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	1,834	4,610
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities	1,834	4,610
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities

Note 12 - Income Taxes (Details

Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Deferred Tax Assets, Gross, Noncurrent	$ 11,460	$ 8,767
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	679	647
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total	15	$ 14
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards, Total	8,400
State and Local Jurisdiction [Member]
Operating Loss Carryforwards, Total	8,400
Foreign Tax Authority [Member] | Tax Authority, Spain [Member]
Operating Loss Carryforwards, Total	$ 7,500
Foreign Tax Authority [Member] | Inland Revenue, Hong Kong [Member] | Earliest Tax Year [Member]
Income Tax Examination, Year under Examination	2009
Foreign Tax Authority [Member] | Inland Revenue, Hong Kong [Member] | Latest Tax Year [Member]
Income Tax Examination, Year under Examination	2011

Note 12 - Income Taxes - Consol

Note 12 - Income Taxes - Consolidated Income Before Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Domestic	$ (7,751)	$ (12,630)
Foreign	(2,496)	(3,263)
Loss before income taxes	$ (10,247)	$ (15,893)

Note 12 - Income Taxes - Provis

Note 12 - Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Federal	$ (71)	$ 577
State	37	(66)
Foreign	117	(682)
Total current	83	(171)
Federal	2,233	1,497
State	667	480
Foreign	495	748
Total	3,395	2,725
Change in valuation allowance	(9,918)	(833)
Total deferred	(6,523)	1,892
Tax benefit (provision)	$ (6,440)	$ 1,721

Note 12 - Income Taxes - Income

Note 12 - Income Taxes - Income Tax (Provision) for Federal Statutory Corporate Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Tax benefit (provision) at federal statutory rate	$ 2,152	$ 5,403
State income tax benefit (provision), net of federal benefit	413	439
Research and development tax credits	250	411
Subpart F inclusion		(370)
Foreign earnings or losses taxed at different rates	12	(540)
Tax rate change	23	(3,161)
Other	628	372
Change in valuation allowance	(9,918)	(833)
Tax benefit (provision)	$ (6,440)	$ 1,721

Note 12 - Income Taxes - Net De

Note 12 - Income Taxes - Net Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred revenue	$ 50	$ 738
Basis difference in intangible assets	3,283	3,403
Inventory reserve	2,235	2,089
Net operating loss carryforwards	4,067	1,627
Research and development tax credits	794	163
Accrued expenses	143	75
Stock-based compensation	362	327
Allowance for sales returns and doubtful accounts	160	119
Difference in property and equipment basis	(185)	(212)
Other	551	438
Total net deferred income tax asset	11,460	8,767
Less: Valuation allowance	(11,460)	(2,236)
Net deferred income tax asset (liability)		$ 6,531

Note 12 - Income Taxes - Reconc

Note 12 - Income Taxes - Reconciliation of Uncertain Tax Positions (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Balance - beginning of year	$ 652,000	$ 1,189,000
Additions based on tax positions related to the current year	58,000	67,000
Additions for tax positions of prior years	118,000	520,000
Reductions for tax positions of prior years	(53,000)
Settlements		(165,000)
Lapse in statutes of limitations	(96,000)	(959,000)
Uncertain tax positions, ending balance	$ 679,000	$ 652,000

Note 13 - Geographic Sales In_3

Note 13 - Geographic Sales Information - Revenue by Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenue	$ 28,156	$ 41,804
UNITED STATES
Revenue	14,783	24,569
All Other Countries [Member]
Revenue	$ 13,373	$ 17,235