Note 4 - Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	Package						Industrial
	Testing			Permeation			Analyzers & Other		Total
Balance as of December 31, 2013	$	6,196,570		$	2,227,979		$	609,930	$	9,034,479
Foreign currency translation		(47,183	)		(16,563	)		-		(63,746	)
Balance as of June 30, 2014	$	6,149,387		$	2,211,416		$	609,930	$	8,970,733

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

	As of June 30, 2014
			Accumulated
	Cost		Amortization			Net
Patents	$	1,680,720	$	(392,970	)	$	1,287,750
Trademarks and trade names		4,094,622		(598,487	)		3,496,135
Developed technology		7,667,700		(1,916,925	)		5,750,775
Customer relationships		896,700		(224,175	)		672,525
Internally developed software		934,792		-			934,792
Other intangibles		255,118		(72,046	)		183,072
	$	15,529,652	$	(3,204,603	)	$	12,325,049

	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	$	633,525
2015		1,270,031
2016		1,253,430
2017		1,221,105
2018		1,190,337
2019 & Thereafter		5,080,326
	$	10,648,754