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2. Inventories (Tables)
12 Months Ended
Dec. 31, 2016
Schedule of Notes Payable  
Schedule of Inventories
   

December 31,

2016

   

December 31,

2015

 
Raw materials   $ 1,044     $ 1,787  
Work-in-progress     1,360       1,807  
Finished goods     837       1,210  
Total inventories   $ 3,241     $ 4,804