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

Share-Based Payment Transactions (Details Textual)

v3.20.1
Share-Based Payment Transactions (Details Textual)
1 Months Ended 12 Months Ended
Nov. 11, 2019
shares
Mar. 11, 2019
shares
Jan. 31, 2019
Number / Employees
Number / SeniorOfficer
shares
Dec. 31, 2019
$ / shares
Dec. 31, 2018
$ / shares
Dec. 31, 2017
$ / shares
Share-Based Payment Transactions (Textual)            
Options exercisable to ordinary shares | shares 500,000 400,000 340,000      
Grant period 4 years 4 years 4 years      
Number of employees | Number / Employees     2      
Number of senior officer | Number / SeniorOfficer     1      
Description of Exercise price Exercise price of NIS 0.28 per share (USD 0.08 per share, respectively, based on the exchange rate reported by the Bank of Israel on December 31, 2019). Exercise price of NIS 2.344 per share (USD 0.68 per share, respectively, based on the exchange rate reported by the Bank of Israel on December 31, 2019). Exercise price of NIS 2.344 per shares (USD 0.68 per share, respectively, based on the exchange rate reported by the Bank of Israel on December 31, 2019).      
Weighted average remaining contractual life       7 years 11 months 4 days 7 years 7 months 21 days 8 years 4 months 17 days
Range of exercise prices for shares | $ / shares       $ .08 $ .08 $ 4.66