CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
Revenues	$ 60,435	$ 25,143
Cost of goods sold	43,343	17,620
Gross margin	17,092	7,523
Operating costs and expenses:
Selling	2,110	1,293
General and administrative	6,216	2,942
Engineering and development	3,517	1,747
Amortization of intangible assets	678	84
Total operating costs and expenses	12,521	6,066
Operating income	4,571	1,457
Other expense (income):
Interest expense	1,638	9
Other (income) expense, net	(352)	36
Total other expense, net	1,286	45
Income before income taxes	3,285	1,412
Provision for income taxes	(1,137)	(452)
Net income	2,148	960
Foreign currency translation adjustment	7	(460)
Change in accumulated loss on derivatives	(9)
Comprehensive income	$ 2,146	$ 500
Basic earnings per share:
Earnings per share (in dollars per share)	$ 0.24	$ 0.11
Basic weighted average common shares (in shares)	9,130	8,733
Diluted earnings per share:
Earnings per share (in dollars per share)	$ 0.24	$ 0.11
Diluted weighted average common shares (in shares)	9,130	8,733