XML 46 R35.htm IDEA: XBRL DOCUMENT v3.23.1
Property and Equipment - Schedule of Property and Equipment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Property, Plant and Equipment [Line Items]      
Property and equipment at cost $ 1,392   $ 1,392
Less: accumulated depreciation (1,324)   (1,316)
Property and equipment, net 68   76
Depreciation 8 $ 44  
Equipment      
Property, Plant and Equipment [Line Items]      
Property and equipment at cost $ 1,061   1,061
Equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 3 years    
Equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 15 years    
Tooling      
Property, Plant and Equipment [Line Items]      
Property and equipment at cost $ 190   190
Tooling | Minimum      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 2 years    
Tooling | Maximum      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 5 years    
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property and equipment at cost $ 141   $ 141