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Inventory
12 Months Ended
Dec. 31, 2018
Inventory [Abstract]  
Inventory

Note 4 - Inventory

 

Inventory as of December 31, 2018 and December 31, 2017 consisted of the following (in thousands):

 

  As of December 31, 
  2018  2017 
Raw materials $143  $220 
Finished goods  425   563 
Total Inventory $568  $783