XML 31 R6.htm IDEA: XBRL DOCUMENT v3.20.4
STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Best Offering [Member]      
Issuance expenses, amount $ 1,056 $ 686  
Registered Direct [Member]      
Issuance expenses, amount 1,019 1,125  
Private Placement [Member]      
Issuance expenses, amount $ 993    
Warrant Exercise [Member]      
Issuance expenses, amount   $ 1,019  
Investment Agreement [Member]      
Issuance expenses, amount     $ 830
Atm Offering Program [Member]      
Issuance expenses, amount     236
Follow-on Public Offering [Member]      
Issuance expenses, amount     $ 1,505