Quarterly report pursuant to Section 13 or 15(d)

Inventories, net (Details)

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Inventories, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 1,530 $ 1,724
Work in progress 279 18
Finished goods 345 236
Inventories, net $ 2,154 $ 1,978