Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues
Total revenues	$ 2,619,765	$ 10,459,084
Operating expenses
Cost of sales and supportive services	109,094	915,367
Selling, general and administrative	3,176,024	3,166,566
Research and development	3,150,105	3,997,281
Patent expenses	182,597	187,916
Total operating expenses	6,617,820	8,267,130
Operating (loss) income	(3,998,055)	2,191,954
(Loss) gain from change in fair value of warrant liability	(16,065)	3,136,265
Loss on extinguishment of Term Loan	(4,981,461)
Interest expense	(3,016,817)	(3,928,418)
Other income, net	412,363	736,129
(Loss) income before income taxes	(11,600,035)	2,135,930
Benefit (provision) for income taxes	2,702,506	(506,153)
Net and comprehensive (loss) income	$ (8,897,529)	$ 1,629,777
Basic (loss) income per share (in dollars per share)	$ (0.11)	$ 0.02
Diluted (loss) per share (in dollars per share)	$ (0.11)	$ (0.02)
Weighted average shares outstanding: basic (in shares)	81,240,105	80,913,320
Weighted average shares outstanding: diluted (in shares)	81,240,105	82,139,108
Product Sales and Supportive Services [Member]
Revenues
Total revenues	$ 113,009	$ 7,142,400
Research and Development [Member]
Revenues
Total revenues	$ 2,506,756	$ 3,316,684