Note 17 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($)		1 Months Ended
Nov. 01, 2023	Oct. 30, 2023
Sky Harbour Group Corporation [Member] \| Private Placement [Member]
Stock Issued During Period, Shares, New Issues (in shares)	6,586,154
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	1,141,600
Proceeds from Issuance or Sale of Equity	$ 42,800,000
Sky Harbour Group Corporation [Member] \| Additional PIPE Offering [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	400,000
Equity Offering, Maximum Shares (in shares)	2,307,692
Equity Offering, Maximum Amount	$ 15,000,000
SunRiver Fiber Network [Member] \| FIF St George, LLC [Member]
Business Combination, Consideration Transferred		$ 4,375,000

The maximum amount of equity offering.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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Number of new stock issued during the period.

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