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Note 14 - Leases (Details Textual) - USD ($)
Mar. 31, 2024
Jul. 01, 2023
Mar. 31, 2023
Jan. 31, 2023
Lessee, Operating Lease, Term of Contract (Month)   66 months    
Operating Lease, Liability, Current $ 93,000   $ 139,000  
Finance Lease, Liability, Current 300   1,000  
Operating Lease, Liability, Noncurrent 198,000   62,000  
Finance Lease, Liability, Noncurrent 0      
Operating Lease, Right-of-Use Asset 282,000   200,000  
Finance Lease, Right-of-Use Asset, after Accumulated Amortization 200   $ 1,000  
Corporate Headquarters [Member]        
Operating Lease, Right-of-Use Asset       $ 248,000
Vigers Appraisal And Consulting Ltd [Member]        
Operating Lease, Liability, Current 62,000      
Operating Lease, Liability, Noncurrent 0      
Operating Lease, Right-of-Use Asset $ 61,000      
Maximum [Member]        
Lessee, Operating Lease, Term of Contract (Month) 57 months