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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) | Sep. 30, 2020 | Sep. 30, 2019
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Income Tax Disclosure [Abstract] |  |
Deferred Tax Assets: Net operating loss carryforwards | $ 15,136,466 | $ 15,473,774
Deferred Tax Assets: Inventory | 1,475,593 | 1,121,788
Deferred Tax Assets: Prepaid expenses | 74,149 |
Deferred Tax Assets: Allowance for bad debt | 52,168 | 121,485
Deferred Tax Assets: Depreciation | 331,924 | 341,093
Deferred Tax Assets: Non-qualified stock options | 393,191 | 393,518
Deferred Tax Assets: Warrants (interest expense) | 78,557 | 78,622
Deferred Tax Assets: Accrued compensation | 623,996 | 327,487
Deferred Tax Assets: Warranty Reserve | 100,926 | 101,010
Deferred Tax Assets: Unearned revenue | 109,013 | 113,111
Deferred Tax Assets: Other | 61 | 638,022
Deferred Tax Assets: Total gross deferred taxes | 18,376,044 | 18,709,910
Deferred Tax Assets: Valuation allowance | (17,168,322) | (15,292,817)
Net deferred tax assets | 1,207,722 | 3,417,093
Deferred Tax Liabilities: Accrued vacation |  | (1,804)
Deferred Tax Liabilities: Inventory | (41,526) |
Deferred Tax Liabilities: Prepaid expenses | (45,563) | (25,305)
Deferred Tax Liabilities: Goodwill amortization | (163,839) | (112,800)
Deferred Tax Liabilities: Research and development expenses | (42,274) | (42,216)
Deferred Tax Liabilities: Depreciation | (807,096) | (821,440)
Deferred Tax Liabilities: Gain/loss on fixed asset disposal | (106,753) | (130,661)
Deferred Tax Liabilities: Other | (671) |
Total deferred tax liabilities | (1,207,722) | (1,134,226)
Total deferred tax assets (liabilities) |  | $ 2,282,867

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