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Inventories (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]      
Current finished goods do not include distributor channel inventories amount $ 1,530 $ 1,628  
Losses incurred on valuation of inventory and write-off of obsolete inventory $ 653 $ 496 $ 946