12. Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues
North America	$ 53,999	$ 35,832	$ 113,080	$ 43,711
India	3,196	11,521	4,780	23,062
Total revenues	57,195	47,353	117,860	66,773
Cost of goods sold
North America	42,713	34,724	86,122	43,142
India	3,129	8,878	4,761	19,633
Total cost of goods sold	45,842	43,602	90,883	62,775
Gross profit/(loss)
North America	11,286	1,108	26,958	569
India	67	2,643	19	3,429
Total gross profit/(loss)	$ 11,353	$ 3,751	$ 26,977	$ 3,998