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) - Restricted Stock [Member]
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Balance (in shares) | shares 566,272
Balance, weighted avg. price (in dollars per share) | $ / shares $ 7.21
Vested (in shares) | shares (95,008)
Vested, wtd. avg. price (in dollars per share) | $ / shares $ 7.27
Balance (in shares) | shares 471,264
Balance, weighted avg. price (in dollars per share) | $ / shares $ 7.19