Note 9 - Leases (Details Textual) - USD ($) $ in Millions	Mar. 12, 2024	Mar. 31, 2024
Estimated Construction Costs	$ 835
Lessee, Finance Lease, Term of Contract (Year)		5 years
Finance Lease, Liability, to be Paid		$ 1,100
Finance Lease, Liability, to be Paid, Year One		35
Finance Lease, Liability, to be Paid, Year Two		103
Finance Lease, Liability, to be Paid, Year Three		99
Finance Lease, Liability, to be Paid, Year Four		96
Finance Lease, Liability, to be Paid, after Year Four		$ 780