CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net sales	$ 51,703	$ 42,798	$ 149,890	$ 109,480
Cost of sales	43,293	36,236	124,419	90,454
Gross profit	8,410	6,562	25,471	19,026
Operating expenses:
Research & development and engineering	2,010	1,260	5,545	3,268
Selling and service	1,315	1,608	4,600	4,775
General and administrative	2,212	1,351	6,024	3,777
Total operating expenses	5,537	4,219	16,169	11,820
Operating income	2,873	2,343	9,302	7,206
Other (income) expense:
Interest expense	249	195	766	1,125
Loss on debt extinguishment				485
Other (income) expense, net	(199)	(591)	(562)	67
Total other (income) expense	50	(396)	204	1,677
Income before income taxes	2,823	2,739	9,098	5,529
Income tax provision	977	838	3,141	2,053
Net income	1,846	1,901	5,957	3,476
Undistributed earnings	1,846	1,901	5,957	3,476
Undistributed earnings allocable to shares	1,846	786	5,957	595
Weighted-average shares outstanding:
Basic	9,068,024	4,072,968	9,065,699	1,571,549
Diluted	9,068,024	4,072,968	9,065,699	1,571,549
Common shares [Member]
Other (income) expense:
Undistributed earnings allocable to shares	1,846	786	5,957	595
Weighted-average shares outstanding:
Basic	9,068,024	4,072,968	9,065,699	1,571,549
Diluted	9,068,024	4,072,968	9,065,699	1,571,549
Undistributed earnings per share - basic
Undistributed earnings per share - basic	$ 0.20	$ 0.19	$ 0.66	$ 0.38
Undistributed earnings per share - diluted
Undistributed earnings per share - diluted	$ 0.20	$ 0.19	$ 0.66	$ 0.38
Series A convertible preferred shares [Member]
Other (income) expense:
Undistributed earnings allocable to shares		$ 1,115		$ 2,881