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

Operating Leases (Details)

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Operating Leases (Details)
₪ in Thousands
1 Months Ended 12 Months Ended
Mar. 31, 2019
USD ($)
Jul. 31, 2017
USD ($)
Jul. 31, 2017
ILS (₪)
Jul. 28, 2016
USD ($)
Jul. 28, 2016
ILS (₪)
Nov. 15, 2015
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
ASU 2016-02 Transition [Abstract]                  
Monthly payments $ 15,000 $ 3,000 ₪ 10 $ 8,500 ₪ 30 $ 25,000      
Reimbursed building adjustments costs           $ 689,000      
Restricted deposit             $ 181,000    
Rent expense             $ 633,000 $ 619,000 $ 331,000
Variable lease payments               $ 9,000