Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Total revenue, net	$ 112,408	$ 55,323	$ 286,478	$ 151,884
Less: Cost of goods sold	25,444	13,541	65,354	37,035
Gross margin	86,964	41,782	221,124	114,849
Operating expenses:
Selling, general and administrative	82,559	49,960	227,598	147,310
Research and development	8,923	14,072	23,295	43,993
Total operating expenses	91,482	64,032	250,893	191,303
Operating loss	(4,518)	(22,250)	(29,769)	(76,454)
Interest income (expense), net	1,146	(2,163)	238	(6,188)
Other expense, net	(90)	(58)	(182)	(134)
Loss from operations before taxes	(3,462)	(24,471)	(29,713)	(82,776)
Net loss	$ (3,462)	$ (24,471)	$ (29,713)	$ (82,776)
Loss per share:
Basic	$ (0.01)	$ (0.08)	$ (0.09)	$ (0.28)
Diluted	$ (0.01)	$ (0.08)	$ (0.09)	$ (0.28)
Weighted average shares:
Basic	350,994	295,595	336,938	291,526
Diluted	350,994	295,595	336,938	291,526
Product Revenue, Net
Total revenue, net	$ 112,250	$ 54,973	$ 285,347	$ 151,286
Licensing Revenue
Total revenue, net	$ 158	$ 350	$ 1,131	$ 598