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Taxes (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2015
Apr. 30, 2015
Dec. 31, 2015
Sep. 30, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2008
Mar. 31, 2006
Mar. 31, 2005
Dec. 31, 2003
Income Taxes [Line Items]                      
Unrecognized Tax Benefits     $ 1,207,000   $ 1,207,000 $ 1,760,000 $ 2,245,000        
Income Tax Examination, Penalties and Interest Accrued     500,000   500,000 600,000          
Foreign Income Tax Expense (Benefit), Continuing Operations   $ 300,000                  
Deferred Foreign Income Tax Expense (Benefit)         (133,000) (413,000) (493,000)        
Income Tax Expense (Benefit)         1,203,000 406,000 5,451,000        
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount       $ 7,100,000 300,000 1,500,000 8,100,000        
Valuation Allowance Deferred Tax Asset From Unrealized Losses On Foreign Currency         700,000            
Undistributed Earnings of Foreign Subsidiaries     35,400,000   35,400,000            
Income Tax Holiday, Aggregate Dollar Amount         100,000 200,000 $ 100,000        
Deferred Tax Assets, Valuation Allowance     9,887,000   9,887,000 9,627,000          
Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount     1,000,000                
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount         $ 3,000,000            
Dividends, Total     4,000,000                
Percentage for Subsidiary Service Tax         14.50%            
Subsidiary Revenue         $ 16,500,000            
Windfall [Member]                      
Income Taxes [Line Items]                      
Operating Loss Carryforwards     5,200,000   5,200,000            
Domestic Tax Authority [Member]                      
Income Taxes [Line Items]                      
Operating Loss Carryforwards     24,600,000   24,600,000            
Foreign Tax Authority [Member]                      
Income Taxes [Line Items]                      
Operating Loss Carryforwards     26,100,000   26,100,000            
Indian Bureau Of Taxation [Member]                      
Income Taxes [Line Items]                      
Foreign Income Tax Expense (Benefit), Continuing Operations         260,000     $ 1,000,000 $ 300,000 $ 284,000  
Tax Adjustments, Settlements, and Unusual Provisions         477,000            
Deferred Foreign Income Tax Expense (Benefit)         152,000            
Income Tax Expense (Benefit) $ 278,000       $ 477,000           $ 260,000
Operating Loss Carryforwards Expiration Date1         These net operating loss carryforwards expire at various times through the year 2035            
Philippine Bureau Of Taxation [Member]                      
Income Taxes [Line Items]                      
Income Tax Expense (Benefit)         $ 284,000            
MediaMiser [Member]                      
Income Taxes [Line Items]                      
Operating Loss Carryforwards     2,000,000   2,000,000            
Tax Credit Carryforward, Amount     300,000   $ 300,000 $ 200,000          
Operating Loss Carryforwards, Expiration Date         Dec. 31, 2028            
MediaMiser [Member] | Research Tax Credit Carryforward [Member]                      
Income Taxes [Line Items]                      
Tax Credit Carryforward, Amount     $ 1,300,000   $ 1,300,000