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BALANCE SHEET COMPONENTS (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Finished goods held by customer $ 4,800 $ 4,500
In-transit inventory 2,200 6,300
Provision for inventory reserves $ 311 $ 275