Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Stock Based Compensation - Stock Option Activity (Details)

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Note 8 - Stock Based Compensation - Stock Option Activity (Details) - $ / shares
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Non-Exercisable, balance (in shares) 175,952 263,928
Non-Exercisable, weighted average price (in dollars per share) $ 24.00 $ 24.00
Granted, shares (in shares) 0  
Exercisable, shares (in shares) 0 (87,976)
Exercisable, weighted average exercise price (in dollars per share) $ 0 $ 0
Non-Exercisable, balance (in shares) 175,952 175,952
Non-Exercisable, weighted average price (in dollars per share) $ 24.00 $ 24.00