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Inventories (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Inventory Disclosure [Abstract]          
Current finished goods do not include distributor channel inventories amount $ 1,511   $ 1,511   $ 1,530
Losses incurred on valuation of inventory and write-off of obsolete inventory $ 55 $ 11 $ 55 $ 130