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
Revenues:
Total revenues	$ 14,595	$ 4,469	$ 47,045	$ 11,827
Expenses:
Cost of goods sold	7,099	5,303	15,446	14,406
Research and development	1,580	2,043	4,879	7,653
Selling, general and administrative	16,666	19,394	58,948	61,740
Gain on foreign currency translation	(3,807)	(728)	(4,495)	(3,107)
Total expenses	23,374	26,012	80,290	80,692
Loss from operations	(8,779)	(21,543)	(33,245)	(68,865)
Other (expense) income:
Interest income	220	144	794	305
Interest expense on notes	(4,126)	(993)	(5,283)	(4,496)
Interest expense on promissory notes	(1,162)	(1,074)	(3,351)	(3,234)
Gain (loss) on extinguishment of debt	3,529	(712)	3,529	(765)
Other income (expense)	(52)	10	(84)	71
Total other expense	(1,591)	(2,625)	(4,395)	(8,119)
Loss before provision for income taxes	(10,370)	(24,168)	(37,640)	(76,984)
Provision for income taxes				(240)
Net loss	$ (10,370)	$ (24,168)	$ (37,640)	$ (77,224)
Net loss per share - basic and diluted	$ (0.05)	$ (0.16)	$ (0.20)	$ (0.56)
Shares used to compute basic and diluted net loss per share	199,906	153,597	191,786	138,307
Commercial product sales
Revenues:
Total revenues	$ 6,402	$ 4,387	$ 17,543	$ 11,542
Collaborations and services
Revenues:
Total revenues	8,193	$ 82	29,502	232
Expenses:
Cost of revenue	$ 1,836		$ 5,512
Revenue - other
Revenues:
Total revenues				$ 53