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 [Line Items]    
Property and equipment $ 1,218 $ 1,218
Less: accumulated depreciation and amortization (520) (495)
Property and equipment, net 698 723
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 940 940
Machinery and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Life 3 years  
Machinery and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Life 10 years  
Office furniture and equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 50 50
Office furniture and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Life 3 years  
Office furniture and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Life 10 years  
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Useful Life 6 years  
Property and equipment $ 228 $ 228
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 0