INCOME TAXES, VALUATION ALLOWANCE (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Valuation Allowance [Line Items]
Valuation allowance		$ 9,028	$ 9,745
Mexico [Member]
Valuation Allowance [Line Items]
Valuation allowance		2,500	2,700
Norway [Member]
Valuation Allowance [Line Items]
Valuation allowance		0	100
Sweden [Member]
Valuation Allowance [Line Items]
Valuation allowance		100	100
Switzerland [Member]
Valuation Allowance [Line Items]
Valuation allowance		1,000	1,200
Taiwan [Member]
Valuation Allowance [Line Items]
Valuation allowance		1,200	1,200
United States [Member]
Valuation Allowance [Line Items]
Valuation allowance		4,000	4,300
Ukraine [Member]
Valuation Allowance [Line Items]
Valuation allowance	[1]	100	100
Other Jurisdiction [Member]
Valuation Allowance [Line Items]
Valuation allowance		$ 100	$ 0

[1] On March 21, 2014, the Company suspended operations in the Ukraine.