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The number of additional shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Exercise price per share or per unit of warrants or rights outstanding.

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Face amount or stated value per share of common stock.

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Per share weighted-average price paid for shares purchased on open market for issuance under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Note 11 - Share-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended			5 Months Ended	9 Months Ended	12 Months Ended
	May 31, 2019	Jan. 23, 2018	May 31, 2019	Jun. 30, 2016	May 31, 2014	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	May 17, 2019	May 31, 2016	May 05, 2008
Common Stock, Par or Stated Value Per Share		$ 0.01				$ 0.01	$ 0.01	$ 0.01	$ 0.01
Warrant Contra Revenue							$ (0)	$ 1,295	$ (0)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant								136,828
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value						$ 4.64		$ 4.57
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value						$ 845		$ 1,560
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Election Per Employee, Percent								10.00%
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent								85.00%
Stock Repurchase Program, Number of Shares Authorized to be Repurchased											400,000
Stock Repurchase Program, Number of Additional Shares Authorized to be Repurchased			150,000	100,000
Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award						21,076		34,027
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased						$ 5.51	$ 5.51	$ 6.08	$ 5.51
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance						$ 1.74	$ 1.74	$ 1.46	$ 1.74
Defined Contribution Plan, Employers Matching Contribution, Employee Requisite Service Period, Minimum								1 year
Defined Contribution Plan, Cost						$ 220		$ 502
Other Noncurrent Liabilities [Member] \| Pension Plan [Member] \| PHILIPPINES
Defined Benefit Plan, Benefit Obligation, Ending Balance								$ 141
The 401(k) Plan, First Three Percent of Participant's Contribution [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match								100.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay								3.00%
The 401(k) Plan, Next Two Percent of Participant's Contribution [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match								50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay								2.00%
Selling, General and Administrative Expenses [Member]
Share-based Payment Arrangement, Expense						$ 674		$ 1,516
Deferred Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period						3,494
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value						$ 23
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount								$ 1,163
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition								1 year 6 months 18 days
The 2008 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized												900,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant								478,638				274,298
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized			300,000	250,000	500,000
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award, Stock Options, Value of Award								$ 22,500
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award, Common Stock Award, Value of Award								22,500
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award, Equity Instruments Other than Options, Value of Award								$ 22,500
The 2008 Equity Incentive Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period								10 years
The 2008 Equity Incentive Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period								3 years
Share-based Compensation Arrangement by Share-based Payment Award, Performance Period								1 year
Employee Stock Purchase Plan [Member]
Share-based Payment Arrangement, Expense						$ 37		$ 50
Amazon Transaction Agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		4,000,000								4,002,964
Class of Warrant or Right, Vested During Period	212,766	425,532
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Expected Proceeds from Transaction Required for Vesting		$ 600,000
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 9.96								$ 9.95
Warrant Contra Revenue	$ 730							$ 565