Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Stockholders' Equity - Treasury Stock Activity (Details)

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Note 15 - Stockholders' Equity - Treasury Stock Activity (Details) - USD ($)
1 Months Ended 9 Months Ended
May 31, 2022
Mar. 31, 2022
Feb. 28, 2022
Aug. 31, 2022
Number of shares (in shares) 729,709 754,081 296,168 1,779,958
Cost of shares $ 4,999,993 $ 7,346,422 $ 2,653,571 $ 14,999,986
Average cost per share (in dollars per share) $ 6.9 $ 9.7 $ 9.0 $ 8.4