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Note 17 - Subsequent Events (Details Textual) - USD ($)			1 Months Ended
	May 09, 2024	Apr. 02, 2024	Apr. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Apr. 25, 2022
Common Stock, Par or Stated Value Per Share (in dollars per share)						$ 0.001
Common Class A [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share)				$ 0.001	$ 0.001
Common Class B [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share)				$ 0.001	$ 0.001
Subsequent Event [Member]
Release of Restricted Cash			$ 10,500,000
Subsequent Event [Member] | Separation Agreement [Member]
Severance Costs	$ 960,000
Deferred Compensation Arrangement with Individual, Recorded Liability	75,000
Compensation Expense, Excluding Cost of Good and Service Sold	250,000
Stock Issued During Period, Value, Repurchase of Equity	9,175,600
Payments for Repurchase of Equity	$ 8,800,480
Stock Issued During Period, Shares, Repurchase of Equity (in shares)	36,705
Subsequent Event [Member] | Separation Agreement [Member] | Warrants for Common Class B Stock [Member]
Class of Warrant or Right, Repurchased During the Period (in shares)	51,994
Subsequent Event [Member] | Separation Agreement [Member] | Sky Harbour Group Corporation Class A Common Stock [Member]
Deferred Compensation Arrangement with Individual, Shares Issued (in shares)	200,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.0001
Subsequent Event [Member] | Separation Agreement [Member] | Common Class A [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001
Stock Repurchased During Period, Shares (in shares)	210,000
Subsequent Event [Member] | Separation Agreement [Member] | Common Class B [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001
Stock Repurchased During Period, Shares (in shares)	527,780
Subsequent Event [Member] | Boulderado [Member] | Separation Agreement [Member]
Payments for Repurchase of Equity	$ 7,960,890.9
Securities Repurchase Agreement, Consideration Transferred	$ 9,951,113.62
Subsequent Event [Member] | Boulderado [Member] | Separation Agreement [Member] | Sky Harbour Group Corporation Class A Common Stock [Member]
Securities Repurchase Agreement, Equity Issued (in shares)	194,738
Subsequent Event [Member] | Equity of FIF Utah [Member]
Ownership Interest Percentage		100.00%
Subsequent Event [Member] | Equity of FIF Utah [Member] | Chief Executive Officer at Boston Omaha Broadband [Member]
Business Acquisition, Percentage of Voting Interests Acquired		17.00%
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)		275,611
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 4,400,000
Subsequent Event [Member] | FIF St George, LLC [Member]
Business Acquisition, Percentage of Voting Interests Acquired		20.00%
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)		563,750
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 9,000,000
Ownership Interest Percentage		100.00%

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- Definition

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- Definition

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+ References

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+ References

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- Definition

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No definition available.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Face amount or stated value per share of common stock.

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan. Excludes compensation cost in cost of good and service sold.

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X

- Definition

The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.

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The cash outflow to reacquire common and preferred stock.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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