Note 5 - Inventories (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule Of Inventory Current And Non Current [Table Text Block]

	December 31 ,
	201 7		201 6
Short-term inventories :
Raw material s	$	13,700	$	15,411
Work-in-proces s		1,268		1,235
Finished good s		464		40
Supplie s		1,623		1,959
Total short-term inventorie s		17,055		18,645
Long-term inventories :
Finished good s		820		773
Total inventorie s	$	17,875	$	19,418