INVENTORIES (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Inventory [Line Items]
Raw materials	$ 9,036	$ 10,520
Work in process	371	527
Finished Goods	19,759	21,909
Total inventory	29,166	32,956
Finished goods, consigned	$ 1,500	2,100
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Inventory [Line Items]
Total inventory		$ 5,700