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SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
SIGNIFICANT ACCOUNTING POLICIES [Abstract]      
Bad debt expense $ 0 $ 0 $ 0
Inventory write offs 346 1,815 110
Additional inventory write-down   1,005  
Revenue from contract $ 622 2,205  
Percentage of marketing expenses for which entity receive grants 50.00%    
Grants received presented as a reduction in marketing expenses $ 215 $ 55 $ 150
Shares excluded from the calculation of diluted net income (loss) per share 1,349,414 1,368,220 1,353,372
Uncertain tax position, likelihood of being sustained, threshold for recognition 50.00%    
Years employment required for eligibility for severance pay 1 year    
Months severance salary payable per year of employment 1 month    
Severance pay expenses $ 485 $ 527 $ 537