v3.20.1

Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Accrued expenses and reserves | $ 802,526 | $ 850,857
Warranty reserve | 1,275,047 | 1,539,765
Non-qualified stock options | 961,919 | 1,034,261
Property, plant and equipment | 202,755 | 183,917
Disallowed interest expense | 0 | 1,118,212
Other temporary differences | (88,200) | 0
Net operating losses | 30,213,192 | 24,818,785
Total Deferred Tax Assets | 33,367,239 | 29,545,797
Valuation Allowance | (33,367,239) | (29,545,797)
Total Deferred Tax Assets, net of valuation allowance | $ 0 | $ 0

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