v3.7.0.1
Other Investments (Schedule of Other Investments) (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Sep. 30, 2016
Other Assets:          
Investment in unconsolidated affiliate $ 5,704,091   $ 5,704,091   $ 3,496,404
Current Liabilities:          
Capital contributions payable 402,589   402,589   $ 287,794
Income Statement Location of Other Investments:          
Equity in earnings of unconsolidated affiliate $ 111,626 $ 40,562 $ 289,791 $ 95,945