XML 13 R3.htm IDEA: XBRL DOCUMENT v3.21.2
Interim Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - shares
Sep. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Common stock, shares authorized 15,000,000  
Common stock, shares issued 7,926,610 7,997,247
Common stock, shares held in Rabbi Trust 93,759 59,162