Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Income Statement [Abstract]
NET SALES	$ 12,808	$ 9,585
Cost of sales	9,618	7,494
GROSS MARGIN	3,190	2,091
Technical services and research and development	82	66
Selling, general and administrative expenses	1,224	1,159
OPERATING INCOME	1,884	866
OTHER EXPENSE:
Interest expense	(142)	(96)
Gain (loss) on foreign currency exchange rate	23	(48)
INCOME BEFORE INCOME TAX	1,765	722
Income tax expense	369	47
NET INCOME	1,396	675
Less: Preferred Stock Dividends		15
Basic Income Available to Common Shareholders	1,396	660
Plus: 6% Convertible Debenture Interest Expense	22	22
Plus: Preferred Stock Dividends		15
Diluted Income Available to Common Shareholders	$ 1,418	$ 697
Income per common share:
Basic (in dollars per share)	$ 0.58	$ 0.34
Diluted (in dollars per share)	$ 0.41	$ 0.22
Weighted average common shares outstanding:
Basic (in shares)	2,402	1,941
Diluted (in shares)	3,439	3,149