Note 4 - Goodwill and Intangible Assets (Details) - Other Intangible Assets (USD $)	Sep. 30, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Cost	$ 14,691,866	$ 15,342,278
Accumulated Amortization	(3,350,162)	(2,624,075)
Net	11,341,704	12,718,203
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	1,684,874	1,624,590
Accumulated Amortization	(406,601)	(408,656)
Net	1,278,273	1,215,934
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	3,827,361	4,121,170
Accumulated Amortization	(616,845)	(495,897)
Net	3,210,516	3,625,273
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	7,139,760	7,730,550
Accumulated Amortization	(1,983,267)	(1,503,163)
Net	5,156,493	6,227,387
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	834,960	904,050
Accumulated Amortization	(231,933)	(175,787)
Net	603,027	728,263
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	949,792	716,800
Accumulated Amortization	(22,900)
Net	926,892	716,800
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	255,119	245,118
Accumulated Amortization	(88,616)	(40,572)
Net	$ 166,503	$ 204,546