CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Total revenue, net	$ 19,866	$ 12,251
Cost of goods sold	4,687	2,715
Gross profit	15,179	9,536
Operating expenses:
Selling, general and administrative	42,407	57,189
Research and development	2,050	3,269
Total operating expenses	44,457	60,458
Loss from operations	(29,278)	(50,922)
Other (expense) income:
Interest expense and other financing costs	(10,227)	(6,262)
Other income, net	122	335
Other (expense), net	(10,105)	(5,927)
Loss before income taxes	(39,383)	(56,849)
Provision for income taxes	0	0
Net loss	$ (39,383)	$ (56,849)
Loss per share, basic and diluted:
Loss per common share, basic and diluted	$ (0.11)	$ (0.21)
Weighted average common shares, basic and diluted	347,219	271,460
Product [Member]
Total revenue, net	$ 19,632	$ 12,251
License [Member]
Total revenue, net	$ 234