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Property and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Schedule of property and equipment, net

(Dollar Amounts in Thousands)  

  December 31,
2021
   December 31,
2020
 
Computer and office equipment  $473   $128 
Furniture and fixtures   385    16 
Leasehold improvements   841    10 
Machinery and equipment   898    868 
Software   174    
 
Vehicles   143    62 
Research and development laboratory equipment   163    
 
Leased equipment at customer   619    
 
Trade show assets   80    
 
Total property and equipment, gross   3,776    1,084 
Accumulated depreciation   (780)   (211)
Construction in progress   3,236    
 
Property and equipment, net  $6,232   $873