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Note 14 - Stock Based Compensation - Summary of Activity for Restricted Stock Units Outstanding (Details) - Restricted Stock Units (RSUs) [Member]
12 Months Ended
Dec. 31, 2021
$ / shares
shares
Outstanding at January 1, 2021 (in shares) | shares 18,989
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 28.20
Granted (in shares) | shares 19,575
Granted, weighted average grant date fair value (in dollars per share) | $ / shares $ 28.50
Vested (in shares) | shares 0
Vested, weighted average grant date fair value (in dollars per share) | $ / shares
Forfeited (in shares) | shares (2,880)
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares $ 28.20
Outstanding, ending balance (in shares) | shares 35,684
Outstanding, ending balance, weighted average grant date fair value (in dollars per share) | $ / shares $ 28.36