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ACQUISITION - Accrued liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 07, 2021	Dec. 31, 2020
Fair values assigned to the assets acquired and liabilities assumed as of the acquisition date
Goodwill	$ 12,317		$ 11,112
Forsake
Fair values assigned to the assets acquired and liabilities assumed as of the acquisition date
Accounts receivable, net	143
Inventories	619
Prepaid expenses and other current assets	72
Property, plant and equipment, net	17
Goodwill	1,205	$ 1,200
Trademark	1,900
Accrued liabilities	(48)
Total	$ 3,908