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OPERATING LEASE - Narrative (Details)
$ in Thousands
Mar. 13, 2019
USD ($)
ft²
Jun. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Operating Lease      
Operating lease right-of-use assets   $ 1,225 $ 1,583
Operating lease terms   3 years  
Lien on marketable securities to secure lease agreements   $ 600  
ISRAEL      
Operating Lease      
Operating lease terms   1 year  
Original Space | Bridgewater, New Jersey      
Operating Lease      
Facility space leased | ft² 10,000    
Operating lease right-of-use assets $ 700    
Additional Space | Bridgewater, New Jersey      
Operating Lease      
Facility space leased | ft² 4,639    
Operating lease right-of-use assets $ 300