v3.26.3
Note 8 - Business Risk and Credit Risk Concentration Involving Cash (Details Textual)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Number Of Customers     3 3
Revenue from Contract with Customer, Including Assessed Tax $ 913 $ 1,049 $ 913 $ 1,049
Cash, Uninsured Amount $ 7,800   $ 7,800  
Revenue Benchmark [Member] | Customer Concentration Risk [Member]        
Number Of Customers     3  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer One [Member]        
Revenue from Contract with Customer, Including Assessed Tax     $ 265  
Concentration Risk, Percentage     29.00%  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Two [Member]        
Revenue from Contract with Customer, Including Assessed Tax     $ 219  
Concentration Risk, Percentage     24.00%  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Three [Member]        
Revenue from Contract with Customer, Including Assessed Tax     $ 201  
Concentration Risk, Percentage     22.00%  
Accounts Receivable [Member] | Customer Concentration Risk [Member]        
Number Of Customers     4 2