Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Total revenues	$ 16,235	$ 17,448
Expenses:
Cost of goods sold	4,164	4,020
Research and development	1,755	1,667
Selling, general and administrative	14,350	25,673
Impairment of commitment asset	1,521
Gain on foreign currency translation	(1,796)	(1,935)
Total expenses	23,356	30,962
Loss from operations	(7,121)	(13,514)
Other (expense) income:
Interest income	133	318
Interest expense on notes	(1,071)	(593)
Interest expense on promissory notes	(1,259)	(1,080)
Other expense	(4)	(14)
Total other expense	(2,201)	(1,369)
Loss before provision for income taxes	(9,322)	(14,883)
Net loss	$ (9,322)	$ (14,883)
Net loss per share - basic and diluted	$ (0.04)	$ (0.08)
Shares used to compute basic and diluted net loss per share	212,467	187,434
Commercial product sales
Revenues:
Total revenues	$ 8,000	$ 5,076
Collaborations and services
Revenues:
Total revenues	8,235	12,372
Expenses:
Cost of revenue	$ 3,362	$ 1,537