v3.26.1
Note 5 - Leases (Details Textual)
Jun. 30, 2026
Lessee, Operating Lease, Renewal Term (Year) 5 years
Administrative Offices in San Jose [Member]  
Lessee, Operating Lease, Renewal Term (Year) 5 years
Redwood City Loan Production Office Lease [Member]  
Lessee, Operating Lease, Renewal Term (Year) 5 years
Minimum [Member]  
Lessee, Operating Lease, Term of Contract (Year) 16 years
Maximum [Member]  
Lessee, Operating Lease, Term of Contract (Year) 47 years