Quarterly report pursuant to Section 13 or 15(d)

4. Inventories (Details)

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4. Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]    
Finished goods $ 437 $ 412
Work in process 110 240
Raw materials 345 354
Total $ 892 $ 1,006