Annual report pursuant to Section 13 and 15(d)

Income Taxes - Deferred Tax Assets and Liabilities (Details)

v3.20.4
Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Accrued expenses and reserves $ 853,199 $ 802,526
Warranty reserve 1,150,830 1,275,047
Non-qualified stock options 358,808 961,919
Property, plant and equipment (319,632)  
Property, plant and equipment   202,755
Fair value adjustment of investment in LMC (66,674,379) 0
Issuance fees on convertible notes 1,031,658 0
Other temporary differences 0 (88,200)
Net operating losses 47,344,755 30,213,192
Total Deferred Tax (Liabilities) Assets (16,254,761)  
Total Deferred Tax (Liabilities) Assets   33,367,239
Valuation Allowance (5,579,169) (33,367,239)
Total Deferred Tax Liabilities, net of valuation allowance $ (21,833,930) 0
Total Deferred Tax Liabilities, net of valuation allowance   $ 0