Note 4 - Goodwill and Intangible Assets (Details) - Other Intangible Assets (USD $)	Jun. 30, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Cost	$ 15,529,652	$ 15,342,278
Accumulated Amortization	(3,204,603)	(2,624,075)
Net	12,325,049	12,718,203
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	1,680,720	1,624,590
Accumulated Amortization	(392,970)	(408,656)
Net	1,287,750	1,215,934
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	4,094,622	4,121,170
Accumulated Amortization	(598,487)	(495,897)
Net	3,496,135	3,625,273
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	7,667,700	7,730,550
Accumulated Amortization	(1,916,925)	(1,503,163)
Net	5,750,775	6,227,387
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	896,700	904,050
Accumulated Amortization	(224,175)	(175,787)
Net	672,525	728,263
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	934,792	716,800
Net	934,792	716,800
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	255,118	245,118
Accumulated Amortization	(72,046)	(40,572)
Net	$ 183,072	$ 204,546