Note 9 - Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Table Text Block]

			March 31, 2019											December 31, 2018
	Gross Value		Accumulated Currency Translation Adjustment			Impairment			Accumulated Amortization			Net Book Value		Accumulated Currency Translation Adjustment			Accumulated Amortization			Net Book Value		Useful Life
Developed technology	$	17,100	$	(2,929	)	$	(281	)	$	(8,927	)	$	4,963	$	(2,824	)	$	(8,672	)	$	5,604	15
In-process research & development		4,406		(1,232	)					-			3,174		(1,168	)		-			3,238	Indefinite
Distributor relationships		4,700		(415	)					(4,285	)		-		(415	)		(4,285	)		-	5
Patents		1,000		(176	)					(494	)		330		(169	)		(482	)		349	16
Elevess trade name		1,000		-						(1,000	)		-		-			(1,000	)		-	9
Total	$	28,206	$	(4,752	)	$	(281	)	$	(14,706	)	$	8,467	$	(4,576	)	$	(14,439	)	$	9,191