Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Stock-based Incentive Plans - Restricted Stock Activity (Details)

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Note 8 - Stock-based Incentive Plans - Restricted Stock Activity (Details) - $ / shares
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Vested (in shares) (55,826) (55,826)
Restricted Stock [Member]    
Balance (in shares) 186,245  
Balance, weighted avg. price (in dollars per share) $ 7.08  
Vested (in shares) (186,245)  
Vested, wtd. avg. price (in dollars per share) $ 7.08  
Balance (in shares) 0  
Balance, weighted avg. price (in dollars per share) $ 0