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

Short-Term Investment (Details)

v3.21.1
Short-Term Investment (Details) - Wize Pharma Inc. [Member] - shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Short-Term Investment (Details) [Line Items]    
Number of shares hold by company 356,803 356,803
Percentage of outstanding shares 1.06% 2.20%