Debt (Credit Agreement Interest Expense) (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
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| Debt [Abstract] | ||||
| Amortization of discounts | $ 782,169 | $ 922,144 | $ 2,488,747 | $ 3,187,972 |
| Accretion of residual royalty agreement | 369,138 | 147,223 | 928,835 | 363,520 |
| Amortization of deferred issuance costs | 18,385 | 21,909 | 58,497 | 76,479 |
| Interest expense | $ 1,169,692 | $ 1,091,276 | $ 3,476,079 | $ 3,627,971 |
| X | ||||||||||
- Definition Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of amortization expense attributable to debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of amortization expense attributable to debt discount (premium) and debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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