CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Condensed Consolidated Statements Of Operations
Revenues	$ 9,391	$ 8,568	$ 22,168	$ 21,946
Cost of sales:
Cost of sales	5,894	5,574	13,230	15,316
Depreciation expense	334	305	969	896
Total cost of sales	6,228	5,879	14,199	16,212
Gross profit	3,163	2,689	7,969	5,734
Operating expenses:
Selling, general and administrative	1,966	1,969	5,948	5,974
Depreciation and amortization	140	155	432	522
Total operating expenses	2,106	2,124	6,380	6,496
Operating income (loss)	1,057	565	1,589	(762)
Interest expense, net	(34)	(84)	(120)	(232)
Equity in net loss of joint venture	(39)	(124)	(179)	(440)
Other, net	60	150	112	166
Total other income (expense)	(13)	(58)	(187)	(506)
Income (loss) before income taxes	1,044	507	1,402	(1,268)
Income tax (expense) benefit	(74)	99	(93)	69
Net income (loss)	$ 970	$ 606	$ 1,309	$ (1,199)
Net income (loss) per share, basic and diluted	$ 0.1	$ 0.06	$ 0.13	$ (0.12)
Weighted-average common shares outstanding, basic and diluted	10,161	10,302	10,196	10,318