Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Operations

v3.19.1
Consolidated Statements of Operations - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Statement [Abstract]    
Net sales $ 763,173 $ 10,038,460
Cost of sales 7,981,413 24,399,363
Warranty expense 7,972,152 117,500
Gross loss (15,190,392) (14,478,403)
Operating expenses    
Selling, general and administrative 11,485,482 8,820,211
Research and development 7,391,693 17,737,737
Total operating expenses 18,877,175 26,557,948
Interest expense, net 2,434,749 180,437
Net loss (36,502,316) (41,216,788)
Deemed dividend - September 2017 Warrants 765,179
Net loss attributable to common stockholders $ (37,267,495) $ (41,216,788)
Net loss attributable to common stockholders per share - basic and diluted $ (0.74) $ (1.06)
Weighted average number of common shares outstanding 50,377,909 38,755,796