CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Total revenue, net	$ 25,406,000	$ 19,342,000	$ 68,273,000	$ 42,294,000
Cost of goods sold	5,282,000	3,279,000	14,101,000	10,394,000
Total gross profit	20,124,000	16,063,000	54,172,000	31,900,000
Operating expenses:
Selling and marketing	30,005,000	22,373,000	86,193,000	91,056,000
General and administrative	28,435,000	16,637,000	66,691,000	53,740,000
Research and development	1,605,000	2,027,000	5,666,000	8,038,000
Total operating expenses	60,045,000	41,037,000	158,550,000	152,834,000
Loss from operations	(39,921,000)	(24,974,000)	(104,378,000)	(120,934,000)
Other (expense) income:
Interest expense and other financing costs	(7,518,000)	(7,680,000)	(25,341,000)	(20,969,000)
Other income, net	19,000	42,000	264,000	466,000
Total other (expense), net	(7,499,000)	(7,638,000)	(25,077,000)	(20,503,000)
Loss before income taxes	(47,420,000)	(32,612,000)	(129,455,000)	(141,437,000)
Provision for income taxes	0	0	0	0
Net loss	$ (47,420,000)	$ (32,612,000)	$ (129,455,000)	$ (141,437,000)
Loss per common share, basic and diluted	$ (0.11)	$ (0.12)	$ (0.33)	$ (0.52)
Weighted average common shares, basic and diluted	422,216	272,565	388,111	271,969
Product [Member]
Total revenue, net	$ 24,469,000	$ 17,342,000	$ 67,102,000	$ 40,294,000
License [Member]
Total revenue, net	$ 937,000	$ 2,000,000	$ 1,171,000	$ 2,000,000