Note 4 - Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	Package						Industrial Analyzers
	Testing			Permeation			& Other		Total
Balance as of December 31, 2013	$	6,196,572		$	2,227,977		$	609,930	$	9,034,479
Foreign currency translation		(443,512	)		(147,967	)		-		(591,479	)
Balance as of September 30, 2014	$	5,753,060		$	2,080,010		$	609,930	$	8,443,000

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	As of September 30, 2014
			Accumulated
	Cost		Amortization			Net
Patents	$	1,684,874	$	(406,601	)	$	1,278,273
Trademarks and trade names		3,827,361		(616,845	)		3,210,516
Developed technology		7,139,760		(1,983,267	)		5,156,493
Customer relationships		834,960		(231,933	)		603,027
Internally developed software		949,792		(22,900	)		926,892
Other intangibles		255,119		(88,616	)		166,503
	$	14,691,866	$	(3,350,162	)	$	11,341,704

	As of December 31, 2013
			Accumulated
	Cost		Amortization			Net
Patents	$	1,624,590	$	(408,656	)	$	1,215,934
Trademarks and trade names		4,121,170		(495,897	)		3,625,273
Developed technology		7,730,550		(1,503,163	)		6,227,387
Customer relationships		904,050		(175,787	)		728,263
Internally developed software		716,800		-			716,800
Other intangibles		245,118		(40,572	)		204,546
	$	15,342,278	$	(2,624,075	)	$	12,718,203

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Estimated Expense
2014	$	281,600
2015		1,289,694
2016		1,269,760
2017		1,235,769
2018		1,205,000
2019 & Thereafter		5,313,357
	$	10,595,180