Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 2,218 $ 2,061
Work in progress 308 145
Finished goods 246 36
Inventories $ 2,772 $ 2,242