v3.26.3
Note 4 - Leases (Details Textual)
12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jan. 29, 2025
USD ($)
a
Finance Lease, Right-of-Use Asset, Amortization $ 125,000 $ 126,000  
Lessee, Operating Lease, Liability, to be Paid 2,653,000    
Operating Lease, Payments 347,000 170,000  
Finance Lease, Principal Payments $ 24,000 $ 94,000  
Austin, Texas [Member] | Metric Facility [Member]      
Area of Real Estate Property (Acre) | a     17,628
Lessee, Operating Lease, Term of Contract (Month)     89 months
Lessee, Operating Lease, Liability, to be Paid     $ 3,000,000
Lessee, Operating Leases, Tenant Allowance     $ 317,300