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Interim Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - shares
Jun. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Common stock, shares authorized 15,000,000  
Common stock, shares issued 7,946,658 7,997,247
Common stock, shares held in Rabbi Trust 82,474 59,162