Quarterly report pursuant to Section 13 or 15(d)

Inventories, net (Details)

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Inventories, net (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 2,041 $ 2,208
Work in progress 29 29
Finished goods 314 252
Inventories, net $ 2,384 $ 2,489