Annual report pursuant to Section 13 and 15(d)

Short-Term Deposits (Details)

v3.22.1
Short-Term Deposits (Details)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Short-Term Deposits (Details) [Line Items]    
Short-term deposits, description Short-term deposits represent time deposits placed with banks with original maturities of greater than three months but less than one year.  
Minimum [Member]    
Short-Term Deposits (Details) [Line Items]    
Fixed annual interest   0.51%
Maximum [Member]    
Short-Term Deposits (Details) [Line Items]    
Fixed annual interest   1.58%