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