Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Revenues	$ 44,322	$ 37,273
Cost of sales	35,637	29,241
Gross Profit	8,685	8,032
Operating expenses:
Selling and marketing	2,153	2,193
General and administrative, includes $69 and $182 for share-based payment arrangements	4,004	3,687
Total operating expenses	6,157	5,880
Operating income	2,528	2,152
Other income (expense):
Interest expense	(881)	(1,102)
Other income	21	14
Total other income (expense)	(860)	(1,088)
Income before income taxes	1,668	1,064
Income tax expense	634	363
Net income	$ 1,034	$ 701
Net income per common share - basic	$ 0.04	$ 0.03
Net income per common share - diluted	$ 0.04	$ 0.03
Weighted average number of shares outstanding - basic	23,780,814	22,373,773
Weighted average number of shares outstanding - diluted	24,803,047	23,723,650