SUBSEQUENT EVENTS (Details Textual) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jul. 03, 2018
Jun. 30, 2018
Dec. 31, 2017
Subsequent Event [Line Items]      
Proceeds from Grantors   $ 9,050 $ 7,050
Cash, Cash Equivalents, and Short-term Investments   $ 18,200  
Subsequent Event [Member] | Israel Innovation Authority [Member]      
Subsequent Event [Line Items]      
Proceeds from Grantors $ 800