Note 4 - Leases (Details Textual) - USD ($)	1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 29, 2024	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2021
Lessee, Operating Lease, Rent Escalations, Percentage				2.50%
Lease Termination Fee, Period of Rent (Month)	2 months
Increase (Decrease) in Operating Lease Liability		$ (49,016)	$ (50,304)
Gain (Loss) on Termination of Lease	$ 6,419	$ 6,419	0
Operating Lease, Weighted Average Remaining Lease Term (Year)		7 years
Operating Lease, Weighted Average Discount Rate, Percent		4.50%
Operating Lease, Expense		$ 38,719	$ 38,053
Fairfax Lease [Member]
Increase (Decrease) in Right-of-use Assets	165,721,000
Increase (Decrease) in Operating Lease Liability	$ 172,140,000
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Month)				37 months
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Month)				67 months