Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Stockholders' Equity - Common Dividends, Dividend Equivalents and Distributions Declared (Details)

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Note 11 - Stockholders' Equity - Common Dividends, Dividend Equivalents and Distributions Declared (Details) - USD ($)
6 Months Ended
Jun. 15, 2022
Mar. 15, 2022
Jun. 16, 2021
Mar. 15, 2021
Feb. 27, 2021
Jun. 30, 2022
Jun. 30, 2021
Amount per Share (in dollars per share) $ 0.35 $ 0.33 $ 0.24 $ 0.08 $ 0.15 $ 0.68 $ 0.47
Dividends, Dividend Equivalents and Distributions Paid Date Jul. 15, 2022 Apr. 14, 2022 Jul. 15, 2021 Mar. 29, 2021 Mar. 22, 2021    
Dividends, Dividend Equivalents and Distributions Amount $ 7,640,568 $ 7,200,400 $ 4,276,968 $ 809,665 $ 1,518,070 $ 14,840,968 $ 6,604,703