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Note 13 - Business Segments (Tables)

9 Months Ended

Sep. 30, 2014

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended September 30, 2014				Nine Months Ended September 30, 2014
	Trade Revenue		Segment Operating Income		Trade Revenue		Segment Operating Income
Permeation	$	5,729,373	$	1,228,580	$	16,621,767	$	2,923,453
Package Testing		7,342,007		992,763		21,320,444		1,701,658
Industrial Analyzers and Other		3,578,247		265,862		9,595,087		768,599
Total	$	16,649,627	$	2,487,205	$	47,537,298	$	5,393,710

	Three Months Ended September 30, 2013					Nine Months Ended September 30, 2013
	Trade Revenue		Segment Operating Income (Loss)			Trade Revenue		Segment Operating Income
Permeation	$	5,596,470	$	1,325,605		$	15,550,031	$	2,630,193
Package Testing		6,328,402		674,797			18,976,020		1,183,960
Industrial Analyzers and Other		2,265,001		(85,434	)		7,799,015		265,383
Total	$	14,189,873	$	1,914,968		$	42,325,066	$	4,079,536

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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