Income Taxes (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) Subsidiary	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Income (Loss) from Continuing Operations [Abstract]
Domestic	$ 1,580	$ 2,873
Foreign	(1,176)	(1,101)
Income before income taxes	404	1,772
Current: [Abstract]
Federal	459	0
State	47	6
Foreign	19	221
Subtotal	525	227
Deferred [Abstract]
Federal	(4,694)	127
State (Terse)	(942)	19
Foreign	131	(23)
Subtotal	(5,505)	123
Total	$ (4,980)	$ 350
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Federal corporate income tax rate	34.00%	34.00%
State income taxes, net of federal tax benefit	(184.90%)	1.30%
Effect of foreign operations	55.60%	8.60%
Change in valuation allowance	(2045.30%)	(46.90%)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	619.10%	0.00%
Uncertain tax positions	338.60%	11.80%
Effective Income Tax Rate Reconciliation Worthless Stock Deduction	(257.60%)	0.00%
Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Percent	(51.70%)	0.20%
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent	117.50%	(0.40%)
Meals and entertainment	37.80%	7.70%
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent	46.20%	0.00%
Other	5.70%	(0.60%)
Effective tax rate	(1232.70%)	19.80%
Effective Income Tax Rate Reconciliation 162 (m) compensation limit	52.30%	4.10%
Deferred Tax Assets, Net [Abstract]
Net operating loss carryforwards	$ 5,009	$ 7,868
Capital loss carryforwards	383	549
Accruals	487	183
Reserves	514	514
Alternative minimum tax credit carryforwards	299	203
Stock-based compensation expense	1,002	1,224
Intangibles	433	391
Undistributed earnings of foreign subsidiary	0	37
Other	135	71
Total deferred tax asset	8,262	11,040
Valuation allowance	(1,095)	(10,477)
Total deferred tax assets less valuation allowance	7,167	563
Deferred Tax Liabilities: [Abstract]
Undistributed earnings of foreign subsidiaries	(149)	0
Software development costs	(188)	(382)
Fixed Assets	(91)	(161)
Indefinite-lived intangibles	(337)	(316)
Other	(45)	(27)
Total deferred tax liabilities	(810)	(886)
Net deferred tax asset (liability)	6,357	(323)
Change in valuation allowance	9,382
Deferred Tax Liabilities, Goodwill	337	316
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	5,000
Operating loss carryforwards	18,600
Operating Loss Carryforwards, expiration dates [Line Items]
Valuation allowance	1,095	10,477
Unrecognized tax benefits from stock option exercises	5,600
Income Tax Examination [Line Items]
Cash and cash equivalents	19,111	21,747	$ 11,084
Undistributed earnings of foreign subsidiaries	$ (149)	0
India [Member]
Income Tax Examination [Line Items]
Number of foreign subsidiaries | Subsidiary	1
China and United Kingdom [Member]
Income Tax Examination [Line Items]
Number of foreign subsidiaries | Subsidiary	2
U.K., Sweden, and China [Member]
Deferred Tax Assets, Net [Abstract]
Valuation allowance	$ (721)
Operating Loss Carryforwards, expiration dates [Line Items]
Valuation allowance	$ 721
Maximum [Member]
Operating Loss Carryforwards, expiration dates [Line Items]
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2035
Minimum [Member]
Operating Loss Carryforwards, expiration dates [Line Items]
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2020
Foreign Tax Authority [Member]
Income Tax Examination [Line Items]
Cash and cash equivalents	$ 5,400	$ 4,200
Foreign earnings repatriate impact on income tax	331
Foreign Tax Authority [Member] | India [Member]
Deferred Tax Liabilities: [Abstract]
Undistributed earnings of foreign subsidiaries
Income Tax Examination [Line Items]
Undistributed earnings of foreign subsidiaries
Foreign Tax Authority [Member] | Sweden [Member]
Deferred Tax Liabilities: [Abstract]
Undistributed earnings of foreign subsidiaries	(109)
Income Tax Examination [Line Items]
Undistributed earnings of foreign subsidiaries	$ (109)