CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Revenues	$ 113,427	$ 91,694
Cost of revenues	35,833	28,457
Gross profit	77,594	63,237
Operating expenses:
Research and development	13,849	9,853
Sales, general and administrative	101,714	72,640
Litigation-related	8,549	5,683
Amortization of intangible assets	698	738
Transaction-related		1,550
Gain on settlement		(6,168)
Restructuring	60	1,381
Total operating expenses	124,870	85,677
Operating loss	(47,276)	(22,440)
Other expense:
Other expense, net	(9,865)	(7,139)
Loss on debt extinguishment		(590)
Total other expense	(9,865)	(7,729)
Loss from continuing operations before taxes	(57,141)	(30,169)
Income tax benefit	(239)	(1,361)
Loss from continuing operations	(56,902)	(28,808)
Loss from discontinued operations, net of applicable taxes	(100)	(167)
Net loss	(57,002)	(28,975)
Recognition of beneficial conversion feature - Series B Preferred Stock		(13,488)
Net loss attributable to common shareholders	$ (57,002)	$ (42,463)
Loss per share, basic and diluted:
Continuing operations	$ (1.09)	$ (0.82)
Net loss per share, basic and diluted	$ (1.09)	$ (1.20)
Shares used in calculating basic and diluted net loss per share	52,234	35,315
United States Product
Revenues:
Revenues	$ 108,242	$ 83,656
International Supply Agreement
Revenues:
Revenues	$ 5,185	$ 8,038