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Note 2 - Condensed Financial Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Chem Free [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |
Net sales | $ 2,902 | $ 10,398
Operating income | 197 | 2,021
Net income before income taxes | 6 | 1,146
Income taxes | 9 | 35
Net income (loss) from discontinued operations | (3) | 1,111
Net income (loss) from discontinued operations | $ (3) | $ 1,211

X
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