Note 7 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	Useful life		December 31,
	(years)		201 8		201 7
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)				7,702		6,418
Distribution agreement				1,008		591
Non-competition agreement				519		519
				9,229		7,528
Amortized cost			$	1,078	$	2,779

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

Year ending December 31,
2019	$	417
2020		417
2021		244
	$	1,078