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Income Taxes - Reconciliation of Income Taxes (Details)
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Income Tax Disclosure [Abstract]      
Income taxes computed at the federal statutory rate 35.00% 35.00% 0.00%
Permanent items 0.00% 0.10% 0.02%
Net income attributable to non-controlling interest (21.37%) (29.87%) 0.00%
Foreign taxes 0.00% 0.00% 3.67%
State taxes, net of federal benefit 3.09% 0.67% 0.01%
Change in valuation allowance 0.00% 0.00% (1.01%)
Total 16.72% 5.90% 2.69%