Quarterly report pursuant to Section 13 or 15(d)

Inventories, net (Details)

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Inventories, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Raw materials $ 1,632 $ 1,562
Work in progress 211 0
Finished goods 990 1,463
Inventories, net $ 2,833 $ 3,025