INCOME TAXES - Valuation Allowance(Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Valuation Allowance [Line Items]
Valuation allowance	$ 7,934	$ 11,933
AUSTRALIA
Valuation Allowance [Line Items]
Valuation allowance	0	200
CHINA
Valuation Allowance [Line Items]
Valuation allowance	500	400
Mexico
Valuation Allowance [Line Items]
Valuation allowance	1,900	3,100
Norway
Valuation Allowance [Line Items]
Valuation allowance	100	100
Norway
Valuation Allowance [Line Items]
Valuation allowance	200	200
Switzerland
Valuation Allowance [Line Items]
Valuation allowance	500	500
Taiwan
Valuation Allowance [Line Items]
Valuation allowance	600	1,100
United Kingdom
Valuation Allowance [Line Items]
Valuation allowance	3,400	5,500
COLOMBIA
Valuation Allowance [Line Items]
Valuation allowance	500	600
CYPRUS
Valuation Allowance [Line Items]
Valuation allowance	$ 200	$ 200