Income Taxes (Reconciliation of Income Tax Expense (Benefit)) (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Income Taxes [Abstract] | ||
| Income tax (benefit) expense at U.S. federal statutory rates | $ (1,315,724) | $ 3,634,260 |
| State income tax (benefit) expense, net of federal (benefit) expense | (101,875) | 281,396 |
| Non-deductible expenses | 257,196 | |
| Effect of stock options exercised | (23,350) | (64,290) |
| Effect of common stock purchase warrants exercised | (2,038,919) | |
| Effect of Paycheck Protection Program funds | (95,886) | |
| U.S. research and development tax credit | (1,963,430) | |
| Effect of foreign income tax rates | (29,761) | (32,570) |
| Effect of global intangible low taxed income | 88,267 | 125,145 |
| Change in valuation allowance | 3,089,596 | (1,732,786) |
| Other, net | 113,736 | 1,952 |
| Income tax expense | $ 114,655 | $ 78,302 |
| Tax Rate, Income tax expense (benefit) at U.S. federal statutory rates | 21.00% | |
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition CARES Act, Effective Income Tax Rate Reconciliation, Effect Of Paycheck Protection Program Funds No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Effect Of Warrants Exercised No definition available.
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- Definition Income Tax Reconciliation, Effect Of Global Intangible Low Taxed Income No definition available.
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