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Note 11 - Equity Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Sky Incentive Units [Member] \| Sky Harbour LLC and Subsidiaries (Sky) [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 500		$ 500
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 9 months 18 days
Sky Incentive Units [Member] \| Sky Harbour LLC and Subsidiaries (Sky) [Member] \| General and Administrative Expense [Member]
Share-Based Payment Arrangement, Expense		$ 81	$ 85	$ 166	$ 171
The 2022 Incentive Award Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value (in dollars per share)		$ 6.61		$ 6.61
Share-Based Payment Arrangement, Expense		$ 499	$ 160	$ 892	$ 160
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)		1,004,938		1,004,938
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 6,300		$ 6,300
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				3 years 2 months 12 days
The 2022 Incentive Award Plan [Member] \| Restricted Stock Units (RSUs) [Member] \| Share-Based Payment Arrangement, Employee [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	545,522
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value (in dollars per share)	$ 5.75
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	4 years