XML 15 R3.htm IDEA: XBRL DOCUMENT v3.21.2
Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 25,000,000 25,000,000
Common stock, shares issued 9,411,028 9,363,717
Common stock, shares outstanding 9,411,028 9,363,717