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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Total revenue, net $ 49,646,937 $ 16,099,460 $ 16,777,713
Cost of goods sold 6,334,585 2,737,652 2,636,943
Gross profit 43,312,352 13,361,808 14,140,770
Operating expenses:      
Sales, general, and administrative 174,112,612 115,988,954 57,703,370
Research and development 19,792,212 27,299,138 33,852,993
Depreciation and amortization 612,786 293,886 213,117
Total operating expenses 194,517,610 143,581,978 91,769,480
Operating loss (151,205,258) (130,220,170) (77,628,710)
Other (expense) income      
Loss on extinguishment of debt (10,057,632)
Miscellaneous income 2,500,106 2,280,844 695,631
Interest expense (17,382,215) (4,677,834)
Accreted interest 7,699
Total other (expense) income (24,939,741) (2,396,990) 703,330
Loss before income taxes (176,144,999) (132,617,160) (76,925,380)
Provision for income taxes
Net loss $ (176,144,999) $ (132,617,160) $ (76,925,380)
Loss per share, basic and diluted:      
Net loss per share, basic and diluted $ (0.72) $ (0.59) $ (0.37)
Weighted average number of common shares outstanding, basic and diluted 246,353,318 225,026,300 205,523,288
Product [Member]      
Total revenue, net $ 34,140,537 $ 16,099,460 $ 16,777,713
License and Service [Member]      
Total revenue, net $ 15,506,400