XML 63 R52.htm IDEA: XBRL DOCUMENT v3.22.2
Note 9 - Basic and Diluted Earnings Per Common Share (Details Textual) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Share-Based Payment Arrangement, Option [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 43,445 42,752