Note 14 - Related Party Transactions (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Investment Income, Dividend	$ 273,154	$ 350,374	$ 546,308	$ 752,654
Orchid Island Capital [Member]
Investment Owned, Balance, Shares (in shares)	569,071		569,071		569,071
Equity Method Investment, Ownership Percentage	1.30%		1.30%		1.60%
Investment Income, Dividend	$ 300,000	$ 400,000	$ 600,000	$ 800,000