Note 7 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Useful life		December 31,
	(years)		201 7		2016
Cost:
Technology (completion of the development of in-process R&D)		6		7,702		7,702
Distribution agreement		5		2,086		2,086
Non-competition agreement		3		519		519
				10,307		10,307
Accumulated amortization:
Technology (completion of the development of in-process R&D)				6,418		5,134
Distribution agreement				591		174
Non-competition agreement				519		519
				7,528		5,827
Amortized cost			$	2,779	$	4,480

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year ending December 31,
201 8	$	1,701
201 9		417
20 20		417
202 1		244
	$	2,779