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

Operating Leases (Details Textual)

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Operating Leases (Details Textual)
₪ in Thousands
1 Months Ended 12 Months Ended
Mar. 31, 2019
USD ($)
Mar. 24, 2019
USD ($)
Nov. 15, 2018
USD ($)
Nov. 15, 2018
ILS (₪)
Jul. 31, 2017
USD ($)
Jul. 31, 2017
ILS (₪)
Jul. 28, 2016
ILS (₪)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Operating Leases (Textual)                  
Expired date     April 2024 April 2024          
Monthly payments $ 15,000 $ 8,500 $ 25,000   $ 3,000        
Reimbursed building adjustments costs     $ 689,000            
Restricted deposit               $ 12,000 $ 154,000
Operating leases cost               619,000  
Lease agreement, description         The Company signed a lease agreement for land in Yessod Hamaala that was previously leased. The new lease agreement is for four years, commencing May 1, 2017, with an option to extend for an additional six years, with a monthly rental amount of NIS 10 thousand (approximately $3). The Company signed a lease agreement for land in Yessod Hamaala that was previously leased. The new lease agreement is for four years, commencing May 1, 2017, with an option to extend for an additional six years, with a monthly rental amount of NIS 10 thousand (approximately $3).      
Rent expense               296,000 $ 331,000
Variable lease payments               $ 9,000  
NIS [Member]                  
Operating Leases (Textual)                  
Monthly payments | ₪       ₪ 89   ₪ 10 ₪ 30