CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Statement [Abstract]
Revenues	$ 8,639	$ 9,391	$ 23,953	$ 22,168
Cost of sales:
Cost of sales	5,806	5,894	14,735	13,230
Depreciation expense	358	334	1,057	969
Total cost of sales	6,164	6,228	15,792	14,199
Gross profit	2,475	3,163	8,161	7,969
Operating expenses:
Selling, general and administrative	2,082	1,966	6,311	5,948
Depreciation and amortization	35	140	100	432
Total operating expenses	2,117	2,106	6,411	6,380
Operating income	358	1,057	1,750	1,589
Other income (expense):
Interest expense, net	(52)	(34)	(143)	(120)
Equity in net (loss) income of joint venture	0	(39)	1	(179)
Other, net	13	60	27	112
Total other income (expense)	(39)	(13)	(115)	(187)
Income before income taxes	319	1,044	1,635	1,402
Income tax expense	62	(74)	(8)	(93)
Net income	$ 381	$ 970	$ 1,627	$ 1,309
Net income per share:
Basic	$ 0.03	$ 0.1	$ 0.15	$ 0.13
Diluted	$ 0.03	$ 0.1	$ 0.15	$ 0.13
Weighted-average shares outstanding:
Basic	11,691	10,161	10,728	10,196
Diluted	11,739	10,161	10,729	10,196