CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total revenue, net	$ 86,951	$ 64,872	$ 49,647
Cost of goods sold	18,838	15,975	6,335
Gross profit	68,113	48,897	43,312
Operating expenses:
Selling and marketing	108,195	117,052	114,231
General and administrative	92,602	76,954	60,494
Research and development	7,086	10,432	19,792
Total operating expenses	207,883	204,438	194,517
Loss from operations	(139,770)	(155,541)	(151,205)
Other (expense) income:
Loss on extinguishment of debt			(10,058)
Interest expense and other financing costs	(32,917)	(28,581)	(17,382)
Other income, net	272	598	2,500
Total other expense, net	(32,645)	(27,983)	(24,940)
Loss before income taxes	(172,415)	(183,524)	(176,145)
Net loss	$ (172,415)	$ (183,524)	$ (176,145)
Loss per common share, basic and diluted	$ (0.43)	$ (0.67)	$ (0.72)
Weighted average common shares, basic and diluted	397,992	275,649	246,353
Comprehensive loss:
Net loss	$ (172,415)	$ (183,524)	$ (176,145)
Comprehensive loss	(172,415)	(183,524)	(176,145)
Product [Member]
Total revenue, net	85,780	62,872	34,141
License [Member]
Total revenue, net	$ 1,171	$ 2,000	$ 15,506