Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Revenue	$ 5,346	$ 8,036	$ 21,362	$ 36,773
Cost of goods sold	9,237	17,496	35,517	61,001
Gross loss	(3,891)	(9,460)	(14,155)	(24,228)
Operating expenses:
General and administrative	3,037	2,949	7,293	7,534
Sales and marketing	287	337	979	1,136
Research and development	558	446	1,594	1,413
Long-lived asset impairment charges	39,597		39,597
Loss on disposal of assets		680	22	665
Loss from operations	(47,370)	(13,872)	(63,640)	(34,976)
Other income:
Interest income	15	22	52	66
Interest expense	(29)	(24)	(76)	(71)
Realized (loss) gain on foreign currency translation	(1,475)	(137)	(2,036)	98
Total other (expense) income	(1,489)	(139)	(2,060)	93
Loss before income taxes	(48,859)	(14,011)	(65,700)	(34,883)
Income tax benefit	663	298	576	292
Net loss	$ (48,196)	$ (13,713)	$ (65,124)	$ (34,591)
Net loss per common share
Basic	$ (1.84)	$ (0.53)	$ (2.49)	$ (1.35)
Diluted	$ (1.84)	$ (0.53)	$ (2.49)	$ (1.35)
Weighted average common shares outstanding used in computing net loss per common share	26,160,308	26,110,651	26,143,948	25,711,532