Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

General (Details)

v3.8.0.1
General (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Nov. 16, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
General (Textual)        
Ownership interest percentage   82.00%    
Deferred payments   $ 5,000    
Converted shares of exchange ratio   4.145    
Percentage of outstanding shares of common stock 8.00%      
Net loss   $ (4,993)    
Negative cash flows from operating activities   (9,546)    
NIS [Member]        
General (Textual)        
Capital gain amount $ 1,853      
Net loss   (17,311) $ (27,009) $ (19,770)
Negative cash flows from operating activities   $ (33,099) $ (34,340) $ (18,159)