Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues:
Total Revenues:	$ 39,443	$ 30,306	$ 114,304	$ 79,752
Cost of sales	5,376	5,350	16,371	14,325
Expenses:
Selling, general and administrative	22,461	23,360	77,408	62,304
Total Expenses:	22,461	23,360	77,408	62,304
Income from operations	11,606	1,596	20,525	3,123
Interest expense, net	(2,010)	(1,234)	(4,997)	(17,732)
Other (expense)/income, net	(2)	(3)	6	5
Income/(loss) before income taxes	9,594	359	15,534	(14,604)
Income tax provision	(211)	(5)	(19)	(5)
Net income/(loss) attributable to common stockholders	$ 9,383	$ 354	$ 15,515	$ (14,609)
Basic
Weighted average common stock shares outstanding (in shares)	101,031,317	89,649,922	99,377,748	81,612,112
Basic earnings/(loss) per share (in usd per share)	$ 0.09	$ 0	$ 0.16	$ (0.18)
Diluted
Weighted average common stock shares outstanding (in shares)	105,783,568	105,138,894	104,836,493	81,612,112
Basic earnings/(loss) per share (in usd per share)	$ 0.09	$ 0	$ 0.15	$ (0.18)
Product sales, net
Revenues:
Total Revenues:	$ 38,785	$ 29,623	$ 112,946	$ 77,438
Product royalty revenues
Revenues:
Total Revenues:	658	683	1,358	2,154
Contract revenues
Revenues:
Total Revenues:	$ 0	$ 0	$ 0	$ 160