Note 1 - Organization and Business Operations (Details Textual) - $ / shares	Jun. 30, 2023	Dec. 31, 2022
Common Class B [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.0001	$ 0.0001
Sky Harbour LLC [Member] | Common Class B [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.0001
Sky Harbour LLC [Member]
Subsidiary, Ownership Percentage, Parent	26.20%
Sky Harbour LLC [Member] | LLC Interests and TRA Holders [Member]
Subsidiary, Ownership Percentage, Noncontrolling Owner	73.80%