CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Revenues	$ 144,861	$ 113,427
Cost of revenues	42,360	35,833
Gross profit	102,501	77,594
Operating expenses:
Research and development	18,745	13,849
Sales, general and administrative	129,156	101,714
Litigation-related	8,552	8,549
Amortization of acquired intangible assets	688	698
Transaction-related	4,223
Restructuring		60
Total operating expenses	161,364	124,870
Operating loss	(58,863)	(47,276)
Interest and other expense, net:
Interest expense, net	(12,374)	(9,865)
Loss on debt extinguishment	(7,612)
Total interest and other expense, net	(19,986)	(9,865)
Loss from continuing operations before taxes	(78,849)	(57,141)
Income tax provision (benefit)	145	(239)
Loss from continuing operations	(78,994)	(56,902)
Loss from discontinued operations, net of applicable taxes		(100)
Net loss	$ (78,994)	$ (57,002)
Loss per share, basic and diluted:
Continuing operations	$ (1.18)	$ (1.09)
Discontinued operations	0	0
Net loss per share, basic and diluted	$ (1.18)	$ (1.09)
Shares used in calculating basic and diluted net loss per share	67,020	52,234
United States Product
Revenues:
Revenues	$ 141,079	$ 108,242
International Supply Agreement
Revenues:
Revenues	$ 3,782	$ 5,185