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NOTE 4 - PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Abstract]    
Leasehold improvements $ 376 $ 77
Equipment 4,449 4,482
Sales demonstration equipment 1,158 1,257
Property and equipment gross 5,983 5,816
Less accumulated depreciation 4,108 4,579
Property and equipment, net $ 1,875 $ 1,237