CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Revenue from product sales	$ 9,896	$ 9,591	$ 26,015	$ 39,629
Cost of sales for product sales	9,810	9,887	25,391	41,459
Inventory adjustment for lower of cost or market	0	319	0	1,110
Impairment loss, property and equipment	0	0	0	637
Total cost of sales	9,810	10,206	25,391	43,206
Selling, general and administrative expenses	1,095	862	3,485	2,877
Loss before other income (expense)	(1,009)	(1,477)	(2,861)	(6,454)
Other income (expense)
Interest expense, including loan fee amortization	(129)	(105)	(302)	(414)
Gain (loss) on sale of assets	0	0	0	322
Other income (expense), net	237	(7)	250	21
Total other income (expense)	108	(112)	(52)	(71)
Loss before income taxes	(901)	(1,589)	(2,913)	(6,525)
Income tax provision	37	7	77	15
Net loss from continuing operations	(938)	(1,596)	(2,990)	(6,540)
Income from discontinued operations, net of tax	0	409	0	1,052
Net loss	$ (938)	$ (1,187)	$ (2,990)	$ (5,488)
Net income (loss) per share of common stock:
Continuing operations, Basic (in dollars per share)	$ (0.12)	$ (0.20)	$ (0.37)	$ (0.82)
Discontinued operations, Basic (in dollars per share)	0.00	0.05	0.00	0.13
Continuing operations, Diluted (in dollars per share)	(0.12)	(0.20)	(0.37)	(0.82)
Discontinued operations, Diluted (in dollars per share)	$ 0.00	$ 0.05	$ 0.00	$ 0.13
Weighted average shares outstanding:
Basic (in Shares)	8,067	8,000	8,042	7,979
Diluted (in Shares)	8,067	8,000	8,042	7,979