Note 9 - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Jun. 30, 2016
Developed Technology Rights [Member]
Gross Value		$ 17,100
Accumulated Currency Translation Adjustment		(3,108)
Accumulated Amortization		(6,373)
Net Book Value	$ (7,959)	7,619
Net Book Value	$ 7,959	(7,619)
Useful Life	15 years
In Process Research and Development [Member]
Gross Value		4,406
Accumulated Currency Translation Adjustment		(1,286)
Net Book Value	$ (3,099)	3,120
Net Book Value	$ 3,099	(3,120)
Distribution Rights [Member]
Gross Value		4,700
Accumulated Currency Translation Adjustment		(415)
Accumulated Amortization		(4,285)
Useful Life	5 years
Patents [Member]
Gross Value		1,000
Accumulated Currency Translation Adjustment		(186)
Accumulated Amortization		(357)
Net Book Value	$ (473)	457
Net Book Value	$ 473	(457)
Useful Life	16 years
Elevess Trade Name [Member]
Gross Value		1,000
Accumulated Amortization		(937)
Net Book Value	$ (125)	63
Net Book Value	$ 125	(63)
Useful Life	9 years
Gross Value		28,206
Accumulated Currency Translation Adjustment		(4,995)
Accumulated Amortization		(11,952)
Net Book Value	$ 11,656	11,259
Net Book Value	$ (11,656)	$ (11,259)