Quarterly report pursuant to Section 13 or 15(d)

PROPERTY AND EQUIPMENT, NET (Details)

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PROPERTY AND EQUIPMENT, NET (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment    
Property and equipment, gross $ 28,920 $ 27,280
Less accumulated depreciation (20,426) (19,930)
Property and equipment, net 8,494 7,350
Tooling and equipment    
Property, Plant and Equipment    
Property and equipment, gross 13,674 13,530
Furniture and other equipment    
Property, Plant and Equipment    
Property and equipment, gross $ 9,107 7,928
Useful life (in years) 5 years  
Computer software    
Property, Plant and Equipment    
Property and equipment, gross $ 2,160 1,998
Useful life (in years) 5 years  
Leasehold improvements    
Property, Plant and Equipment    
Property and equipment, gross $ 3,787 3,632
Equipment under capital lease    
Property, Plant and Equipment    
Property and equipment, gross $ 192 $ 192
Useful life (in years) 5 years  
Minimum | Tooling and equipment    
Property, Plant and Equipment    
Useful life (in years) 7 years  
Minimum | Leasehold improvements    
Property, Plant and Equipment    
Useful life (in years) 3 years  
Maximum | Tooling and equipment    
Property, Plant and Equipment    
Useful life (in years) 15 years  
Maximum | Leasehold improvements    
Property, Plant and Equipment    
Useful life (in years) 6 years