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4. Inventory
3 Months Ended
Mar. 31, 2017
Inventory Disclosure [Abstract]  
4. Inventory

Note 4. Inventory

Inventories are stated at the lower of cost or market. Inventories consist of the following (in thousands):

      March 31,     December 31,
      2017     2016
Raw materials   $ 1,975    $ 2,365 
Work-in-process     -       -  
Finished goods     6,735      7,393 
Inventory, gross     8,710      9,758 
Reserve for obsolescence     (1,266)     (1,983)
     Inventory, net   $ 7,444    $ 7,775