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Income Taxes (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Apr. 30, 2015
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2015
Dec. 31, 2012
Dec. 31, 2016
Income Taxes [Line Items]            
Unrecognized Tax Benefits   $ 1,241,000       $ 1,184,000
Income Tax Examination, Penalties and Interest Accrued   600,000       $ 500,000
Foreign Income Tax Expense (Benefit), Continuing Operations $ 300,000          
Income Tax Expense (Benefit)   445,000 $ 518,000      
Percentage for Subsidiary Service Tax       14.50%    
Subsidiary Revenue   4,200,000        
Indian Bureau Of Taxation [Member]            
Income Taxes [Line Items]            
Foreign Income Tax Expense (Benefit), Continuing Operations   328,000     $ 1,000,000  
Tax Adjustments, Settlements, and Unusual Provisions   525,000        
Deferred Foreign Income Tax Expense (Benefit)   207,000        
Income Tax Expense (Benefit)   525,000        
Philippine Bureau Of Taxation [Member]            
Income Taxes [Line Items]            
Income Tax Expense (Benefit)   181,000        
Asian Operating Subsidiaries [Member]            
Income Taxes [Line Items]            
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount   7,000,000        
Deferred Income Tax Expense (Benefit)   $ 6,200,000