Note 8 - Business Combinations (Tables)

12 Months Ended

Dec. 31, 2013

Business Combinations [Abstract]

Revenue Recognition, Milestone Method [Table Text Block]

Revenue milestones	Additional shares
$15.5 million in 2013		2,772,598
$16.0 million in 2014		1,584,342
$16.5 million in 2015		1,742,776
Total		6,099,716
Or, alternatively, if $33.0 million for 2013 and 2014 combined		6,099,716

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Net fair value of assets acquired	$	107
Intangible assets, net of tax		9,930
Goodwill		16,321
		26,358
Deferred tax liability		(1,766	)
	$	24,592

Definite-lived intangibles:
Customer relationships	$	6,400
Proprietary technology		800
Other intangibles		830
Indefinite-lived intangibles:
Tradename		1,900
	$	9,930

Business Acquisition, Pro Forma Information [Table Text Block]

	December 31,
	2013			2012
Net sales	$	53,281		$	45,024
Net loss		(8,282	)		(28,010	)
Net loss per share - basic and diluted	$	(0.28	)	$	(0.96	)