PROPERTY AND EQUIPMENT, NET (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 721 $ 1,748 $ 291
Property and equipment 4,576 4,304  
Accumulated depreciation 3,358 2,666  
Cost 1,218 1,638 $ 888
Computers and peripheral equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 2,629 2,539  
Accumulated depreciation 2,385 1,978  
Office furniture and equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 774 801  
Accumulated depreciation 627 580  
Trade Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 35 35  
Accumulated depreciation 2 2  
Leasehold improvements [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 427 427  
Accumulated depreciation 139 77  
Equipment in lease [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 711 473  
Accumulated depreciation 205 0  
Vehicles [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 0 29  
Accumulated depreciation $ 0 $ 29