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Note 2 - Discontinued Operations - Operating Results for Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net sales		$ 13	$ 9	$ 6,869
Cost of sales	457	829	1,469	8,262
Gross loss	(457)	(816)	(1,460)	(1,393)
Selling, general and administrative expense	(1)	(6)	(1)	257
Operating loss	(456)	(810)	(1,459)	(1,650)
Interest expense				(3)
Loss before income taxes	(456)	(810)	(1,459)	(1,653)
Income tax expense (benefit)	26	(117)	(4)	(124)
Net loss	$ (482)	$ (693)	$ (1,455)	$ (1,529)

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Amount of general and administrative expense (benefit) attributable to disposal group, including, but not limited to, discontinued operation.

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