Note 8 - Acquired Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure Text Block [Abstract]

Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Table Text Block]

			December 31, 2014								December 31, 2013
	Gross Value		Currency Translation Adjustment			Accumulated Amortization			Net Book Value		Net Book Value		Useful Life
Developed technology	$	16,700,000	$	(2,255,722	)	$	(5,034,341	)	$	9,409,937	$	11,753,003		15
In-process research & development		5,502,686		(849,812	)		-			4,652,874		5,286,127	Indefinite
Distributor relationships		4,700,000		(415,344	)		(4,284,656	)		-		863,655		5
Patents		1,000,000		(134,315	)		(284,486	)		581,199		719,574		16
Elevess trade name		1,000,000		-			(749,300	)		250,700		376,050		9
Total	$	28,902,686	$	(3,655,193	)	$	(10,352,783	)	$	14,894,710	$	18,998,409

Schedule of Goodwill [Table Text Block]

	December 31,
	2014			2013
Balance, beginning	$	9,443,894		$	9,065,891
Effects of foreign currency adjustments		(1,105,195	)		378,003
Balance, ending	$	8,338,699		$	9,443,894