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Taxes (Details Textual) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2012
Income Taxes [Line Items] |  |  |  |  |
Unrecognized Tax Benefits |  | $ 1,184,000 | $ 1,207,000 | $ 1,760,000 |
Income Tax Examination, Penalties and Interest Accrued |  | 500,000 | 500,000 |  |
Foreign Income Tax Expense (Benefit), Continuing Operations | $ 300,000 |  |  |  |
Deferred Foreign Income Tax Expense (Benefit) |  | (176,000) | (133,000) | (413,000) |
Income Tax Expense (Benefit) |  | 1,126,000 | 1,203,000 | 406,000 |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  | 700,000 | 300,000 | 1,500,000 |
Undistributed Earnings of Foreign Subsidiaries |  | 31,600,000 |  |  |
Income Tax Holiday, Aggregate Dollar Amount |  | 200,000 | 100,000 | $ 200,000 |
Deferred Tax Assets, Valuation Allowance |  | 10,556,000 | $ 9,887,000 |  |
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount |  | 7,000,000 |  |  |
Dividends, Total |  | 4,200,000 |  |  |
Percentage for Subsidiary Service Tax |  |  | 14.50% |  |
Subsidiary Revenue |  | 16,800,000 |  |  |
Accounting Standards Update 2016-9 [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  | 1,800,000 |  |  |
Windfall [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Operating Loss Carryforwards |  | 5,200,000 |  |  |
Domestic Tax Authority [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Operating Loss Carryforwards |  | 24,500,000 |  |  |
Foreign Tax Authority [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Operating Loss Carryforwards |  | 26,100,000 |  |  |
Indian Bureau Of Taxation [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Foreign Income Tax Expense (Benefit), Continuing Operations |  | 309,000 |  |  | $ 1,000,000
Tax Adjustments, Settlements, and Unusual Provisions |  | 493,000 |  |  |
Deferred Foreign Income Tax Expense (Benefit) |  | 158,000 |  |  |
Income Tax Expense (Benefit) |  | 493,000 |  |  |
Philippine Bureau Of Taxation [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Income Tax Expense (Benefit) |  | 224,000 |  |  |
MediaMiser [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Operating Loss Carryforwards |  | 4,000,000 |  |  |
Tax Credit Carryforward, Amount |  | 200,000 | $ 300,000 |  |
MediaMiser [Member] | Research Tax Credit Carryforward [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Tax Credit Carryforward, Amount |  | $ 1,700,000 |  |  |

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