Note 5 - Lease Right-to-use (Details Textual)	Apr. 30, 2022
Casino, Hangar, and Office Space, Three [Member]
Lessee, Finance Lease, Term of Contract (Year)	50 years
Casino, Hangar, and Office Space, One [Member]
Lessee, Finance Lease, Term of Contract (Year)	2 years
Casino, Hangar, and Office Space, Two [Member]
Lessee, Finance Lease, Term of Contract (Year)	5 years