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Income Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Sep. 30, 2015
Deferred provision (benefit):          
Income tax expense (benefit) $ 429,766 $ (258,454) $ 375,906 $ (669,174)  
Income tax benefit from retroactive benefit of R&D tax credit         $ 0
Reconciliation of the statutory federal rate to the Company's effective income tax rate          
Effective tax rates (as a percent) 21.40% (42.00%) 21.60% (152.00%)  
Change in valuation allowance $ (306,000)   $ (306,000)