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Note 19 - Subsequent Events (Details Textual) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Mar. 20, 2023	Jan. 01, 2023
Stock Issued During Period, Value, New Issues			$ 205,389	$ 62,850,213
Subsequent Event [Member] | Logic Commercial Real Estate [Member]
Equity Method Investment, Ownership Percentage						9.00%
Subsequent Event [Member] | Logic Commercial Real Estate [Member] | Brendan Keating LLC [Member]
Equity Method Investment, Shares Distributed, Percentage of Investment						60.00%
Common Class A [Member] | Subsequent Event [Member] | Sky Harbour Group Corporation [Member]
Share Price (in dollars per share)					$ 8.36
Common Class A [Member] | Subsequent Event [Member] | Sky Harbour Group Corporation [Member] | Minimum [Member]
Share Price (in dollars per share)					2.66
Common Class A [Member] | Subsequent Event [Member] | Sky Harbour Group Corporation [Member] | Maximum [Member]
Share Price (in dollars per share)					$ 8.90
At The Market Offering [Member] | Common Class A [Member]
Stock Issued During Period, Shares, New Issues (in shares)	7,887
Stock Issued During Period, Value, New Issues	$ 205,389
At The Market Offering [Member] | Common Class A [Member] | Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues (in shares)		1,097,824
Stock Issued During Period, Value, New Issues		$ 27,300,000

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