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GENERAL (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jul. 31, 2019
Jan. 31, 2018
Dec. 31, 2016
Loss from sale of subsidiary $ (115) $ (159)      
Percentage of consideration received from transaction   100.00%        
Proceeds from sale of discontinued operations, net     730      
Accumulated deficit 73,351 $ 78,991        
Cash and cash equivalents $ 36,289 $ 13,754 $ 20,814      
CACS [Member]            
Ownership percentage           80.00%
Percentage on ownership acquired     100.00%      
Decrease of additional paid in capital     $ 254      
Proceeds from noncontrolling interests     1,500      
Loss from sale of subsidiary     $ 159      
RADA Sensors Inc [Member]            
Ownership percentage 100.00%       75.00%  
RADA Technologies LLC [Member]            
Ownership percentage       25.00%    
RADA Innovations LLC [Member]            
Ownership percentage   100.00%