CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Revenue from product sales	$ 5,998	$ 16,269
Cost of sales for product sales	6,175	17,573
Inventory adjustment for lower of cost or market	0	791
Impairment loss, property and equipment	0	637
Total cost of sales	6,175	19,001
Selling, general and administrative expenses	1,199	946
Loss before other income (expense)	(1,376)	(3,678)
Other income (expense)
Interest expense, including loan fee amortization	(59)	(162)
Gain (loss) on sale of assets	0	424
Other income (expense), net	11	13
Total other income (expense)	(48)	275
Loss before income taxes	(1,424)	(3,403)
Income tax provision	1	8
Net loss from continuing operations	(1,425)	(3,411)
Income from discontinued operations, net of tax	0	310
Net loss	$ (1,425)	$ (3,101)
Continuing operations, Basic (in dollars per share)	$ (0.18)	$ (0.43)
Discontinued operations, Basic (in dollars per share)	0.00	0.04
Continuing operations, Diluted (in dollars per share)	(0.18)	(0.43)
Discontinued operations, Diluted (in dollars per share)	$ 0.00	$ 0.04
Weighted average shares outstanding:
Basic (in Shares)	8,019	7,965
Diluted (in Shares)	8,019	7,965