Consolidated Condensed Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Product revenues	$ 148,090	$ 129,526
Cost of sales	109,039	97,022
Gross margin	39,051	32,504
Operating expenses:
Net research and development expenses	11,841	10,081
Acquisition transaction expenses	1,163
Selling, general and administrative	16,256	13,973
Total operating expenses	29,260	24,054
Operating income	9,791	8,450
Interest expense	(981)	(1,136)
Revaluation of derivatives	346	1,360
Foreign currency gain (loss)	987	(511)
Income (loss) from equity investment	225	(198)
Other income	336	277
Earnings before income tax	10,704	8,242
Income tax expense	795	2,145
Net income	9,909	6,097
Income attributable to non-controlling interest	(1,258)	(1,387)
Net income attributable to Gentherm, Inc.	8,651	4,710
Convertible preferred stock dividends	(923)	(2,165)
Net income attributable to common shareholders	$ 7,728	$ 2,545
Basic earnings per share	$ 0.24	$ 0.10
Diluted earnings per share	$ 0.24	$ 0.10
Weighted average number of shares - basic	31,606,986	24,461,056
Weighted average number of shares - diluted	32,083,549	25,150,643