Basis of Presentation, Restatement of Financials and Accounting Principles (Summary of Effect of Error Correction on All Affected Line Items of Previously Issued Statements of Stockholders' Equity) (Details) - USD ($)	3 Months Ended				6 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019	Sep. 30, 2018
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net income (loss)	$ (20,454,814)	$ 1,892,114	$ (1,931,334)	$ 12,735,940	$ (18,562,700)	$ 10,804,606
Balances at March 31, 2020	60,051,137	80,108,933	134,832,789	139,252,713	60,051,137	134,832,789	$ 79,309,533	$ 128,765,205
Retained Earnings [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net income (loss)	(20,454,814)	1,892,114	(1,931,334)	12,735,940
Balances at March 31, 2020	61,965,702	$ 82,420,516	$ 134,723,381	$ 136,655,096	61,965,702	$ 134,723,381	$ 81,848,301	$ 125,266,945
As Reported [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net income (loss)	(19,973,170)				(18,081,056)
Balances at March 31, 2020	60,532,781				60,532,781
As Reported [Member] | Retained Earnings [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net income (loss)	(19,973,170)
Balances at March 31, 2020	62,447,346				62,447,346
Adjustments [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net income (loss)	(481,644)				(481,644)
Balances at March 31, 2020	(481,644)				(481,644)
Adjustments [Member] | Retained Earnings [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net income (loss)	(481,644)
Balances at March 31, 2020	$ (481,644)				$ (481,644)