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Income Taxes (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Deferred (benefit) provision:        
Income tax expense $ 3,284,658 $ 176,090 $ 2,615,484 $ 911,874
Reconciliation of the statutory federal rate to the Company's effective income tax rate        
Effective tax rates (as a percent) 1328.10% 26.00% 380.80% 28.00%
Unfavorable impact of deferred tax asset valuation allowance $ 3,300,000