v3.20.1

Consolidated Statements of Operations - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Income Statement [Abstract] |  |
Net sales | $ 376,562 | $ 763,173
Cost of sales | 5,752,700 | 7,981,413
Warranty expense | 92,191 | 7,972,152
Gross loss | (5,468,329) | (15,190,392)
Operating expenses |  |
Selling, general and administrative | 10,199,534 | 11,485,482
Research and development | 8,199,074 | 7,391,693
Total operating expenses | 18,398,608 | 18,877,175
Total operating expenses | 15,849,800 | 0
Loss from operations | (8,017,137) | (34,067,567)
Interest expense, net | 29,145,690 | 2,434,749
Loss before provision for income taxes | (37,162,827) | (36,502,316)
Provision for income taxes | 0 | 0
Net loss | $ (37,162,827) | $ (36,502,316)
Income (loss) from continuing operations, per basic and diluted share (in usd per share) | $ (0.58) | $ (0.74)
Weighted average number of shares outstanding, basic and diluted (in shares) | 64,314,756 | 50,377,909

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