Note 8 - Leases (Details Textual)	Dec. 31, 2024
Lessee, Operating Lease, Renewal Term (Year)	5 years
Minimum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	1 year
Maximum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	6 years
Oakwood Offices [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	11 years 7 months 6 days
Lessee, Operating Lease, Renewal Term (Year)	5 years
Oxford Offices [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	34 years 6 months