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Income Taxes (Details) - USD ($)
1 Months Ended
Oct. 31, 2016
Sep. 30, 2015
Income Taxes    
Subsidiary revenue   $ 57,000,000.0
Reversal of service tax refund $ 121,000  
Service tax credit receivable $ 800,000  
Maximum    
Income Taxes    
Percentage for subsidiary service tax   15.00%
Minimum    
Income Taxes    
Percentage for subsidiary service tax   12.36%