CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Revenues	$ 9,165	$ 6,147	$ 19,489	$ 18,516
Cost of sales:
Cost of sales	5,498	3,829	11,835	12,225
Depreciation expense	370	402	982	1,139
Total cost of sales	5,868	4,231	12,817	13,364
Gross profit	3,297	1,916	6,672	5,152
Operating expenses:
Selling, general and administrative	2,210	2,465	7,376	6,895
Depreciation and amortization	113	27	313	131
Total operating expenses	2,323	2,492	7,689	7,026
Operating income (loss)	974	(576)	(1,017)	(1,874)
Other income (expense):
Interest income (expense), net	10	(75)	(51)	(200)
Equity in net income of joint venture	0	0	0	133
Gain on disposal of property, plant and equipment	0	0	1,070	0
Other, net	0	9	0	(18)
Total other income (expense)	10	(66)	1,019	(85)
Income (loss) before income taxes	984	(642)	2	(1,959)
Income tax (expense) benefit	(5)	3	(16)	(11)
Net income (loss)	$ 979	$ (639)	$ (14)	$ (1,970)
Net income (loss) per share:
Basic	$ .06	$ (.04)	$ 0.00	$ (.13)
Fully diluted	$ 0.06	$ (0.04)	$ 0.00	$ (0.13)
Weighted-average shares outstanding:
Basic	15,493	15,032	15,534	15,091
Fully diluted	15,493	15,032	15,534	15,091