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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Revenues        
Revenues $ 8,111,324 $ 471,075,324 $ 22,478,019 $ 475,484,474
Operating expenses        
Cost of sales and supportive services 737,274 95,166,271 1,652,641 95,166,271
Selling, general and administrative 3,196,370 3,114,678 9,755,165 9,051,617
Research and development 3,343,521 3,723,198 9,379,125 10,043,205
Patent expenses 173,580 186,028 543,806 582,833
Total operating expenses 7,450,745 102,190,175 21,330,737 114,843,926
Operating income 660,579 368,885,149 1,147,282 360,640,548
Gain (loss) from change in fair value of warrant liability 981,923 (2,328,674) 4,774,711 (5,271,503)
Interest expense (3,971,952) (3,924,124) (11,871,401) (11,516,103)
Other income, net 759,881 5,067 2,233,588 151,454
(Loss)/income before income taxes (1,569,569)   (3,715,820)  
Pre tax loss   362,637,418   344,004,396
Benefit for income taxes 363,742 25,412,995 977,278 25,412,498
Net and comprehensive (loss)/income $ (1,205,827) $ 388,050,413 $ (2,738,542) $ 369,416,894
Basic (loss)/income per share $ (0.01) $ 4.85 $ (0.03) $ 4.64
Diluted (loss)/income per share $ (0.03) $ 4.71 $ (0.09) $ 4.53
Weighted average shares outstanding: basic 81,064,927 80,023,044 80,988,813 79,650,373
Weighted average shares outstanding: diluted 82,181,858 82,929,476 82,148,333 82,744,227
Product sales and supportive services        
Revenues        
Revenues $ 3,915,335 $ 468,865,229 $ 11,057,735 $ 468,865,229
Research and development        
Revenues        
Revenues $ 4,195,989 $ 2,210,095 $ 11,420,284 $ 6,619,245