Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Total revenue, net	$ 73,278	$ 43,919
Less: Cost of goods sold	17,140	10,648
Gross margin	56,138	33,271
Operating expenses:
Selling, general and administrative	71,633	43,407
Research and development	7,242	11,762
Total operating expenses	78,875	55,169
Operating loss	(22,737)	(21,898)
Interest expense, net	(1,697)	(2,252)
Other income, net	3	55
Loss from operations before taxes	(24,431)	(24,095)
Net loss	$ (24,431)	$ (24,095)
Loss per share:
Basic	$ (0.07)	$ (0.08)
Diluted	$ (0.07)	$ (0.08)
Weighted average shares:
Basic	328,712	285,207
Diluted	328,712	285,207
Product Revenue, Net
Total revenue, net	$ 72,731	$ 43,777
Licensing Revenue
Total revenue, net	$ 547	$ 142