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Inventory (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Components of Inventory Inventory consists of the following as of December 31, 2021 and 2020 (in thousands):

 

 

 

December 31,

 

 

 

2021

 

 

2020

 

 

 

 

 

 

 

 

Raw materials

 

$

105

 

 

$

634

 

Work-in-progress

 

 

1,324

 

 

 

1,247

 

Tools inventory

 

 

365

 

 

 

312

 

Finished goods

 

 

239

 

 

 

101

 

Total

 

$

2,033

 

 

$

2,294