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Taxes (Details Textual) - USD ($)	1 Months Ended				12 Months Ended
	Oct. 31, 2016	Sep. 30, 2015	Jan. 31, 2012	Oct. 31, 2010	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent					21.00%	(34.00%)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount					$ 25,800,000
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount					2,300,000
Undistributed Earnings of Foreign Subsidiaries					21,000,000
Unrecognized Tax Benefits					2,424,000	$ 2,177,000	$ 2,063,000
Income Tax Examination, Penalties and Interest Accrued					100,000	300,000
Deferred Tax Assets, Valuation Allowance					6,098,000	5,437,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount					700,000	5,100,000
Tax Adjustments, Settlements, and Unusual Provisions			$ 343,000	$ 329,000
Subsidiary Revenue		$ 67,000,000
Reversal of Service Tax Refund	$ 160,000
Service Tax Credit Receivable	$ 1,000,000
Income Tax Expense (Benefit)					1,808,000	285,000
Canadian Subsidiaries [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards					9,300,000
Canadian Subsidiaries [Member] | Research Tax Credit Carryforward [Member]
Income Taxes [Line Items]
Tax Credit Carryforward, Amount					1,500,000
MediaMiser [Member]
Income Taxes [Line Items]
Tax Credit Carryforward, Amount					100,000	$ 100,000
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards					14,800,000
Philippine Bureau Of Taxation [Member]
Income Taxes [Line Items]
Income Tax Expense (Benefit)					$ 181,000
Global Intangible Low-Taxed Income [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent					13.125%	10.50%
Maximum [Member]
Income Taxes [Line Items]
Percentage for Subsidiary Service Tax		15.00%
Minimum [Member]
Income Taxes [Line Items]
Percentage for Subsidiary Service Tax		12.36%

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