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Note 10 - Distributions (Details Textual) - $ / shares	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.30	$ 0.30	$ 0.90	$ 0.90	$ 1.25
Earnings Per Share, Basic, Total (in dollars per share)	0.43	$ 0.40	$ 1.06	$ 1.02
Earnings Per Share, Basic, Undistributed (in dollars per share)	$ 0.67

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The earnings attributable to each security on the basis that all of the earnings for the period had been distributed (to the extent that each security may share in earnings). This is the earnings amount which reflects the participation rights in undistributed earnings of each security.

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