XML 21 R7.htm IDEA: XBRL DOCUMENT v3.22.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Par value, common stock $ 0.10 $ 0.10
Common shares, authorized 25,000,000 25,000,000
Common shares, issued 9,411,028 9,363,717
Common shares, outstanding 9,411,028 9,363,717