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Income Taxes (Narrative) (Details) - USD ($)
3 Months Ended
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Net operating loss carryforwards   $ 172,900,000  
Valuation allowance   $ 46,781,461 $ 45,985,851
Tax cuts and jobs act of 2017, provisional income tax expense $ 27,300,000