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Note 2 - Condensed Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Chem Free [Member] | Discontinued Operations, Disposed of by Sale [Member]
Net sales		$ 2,902
Operating loss		(3)
Net income (loss) before income taxes		6
Income taxes		9
Net loss from discontinued operations		$ (3)

X

- Definition

Amount before tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until its disposal.

+ References

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