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Incentive Plans - Additional Information (Details)
 12 Months Ended
Jun. 30, 2025
USD ($)
plan
shares
Jun. 30, 2024
USD ($)
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of share-based compensation plans | plan 4  
Compensation cost | $ $ 543,000 $ 240,000
Stock options | Equity Incentive Plans    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Maximum term for stock awards 10 years  
Term used to calculate expected volatility 84 months  
Unrecognized share-based compensation expense, stock options | $ $ 266,000 $ 231,000
Share-based compensation cost not yet recognized, weighted average period for recognition (less than) 3 years 8 months 12 days 3 years 6 months
Forfeiture rate for equity incentive plans 15.00% 15.00%
Stock options | 2013 Equity Incentive Plan ("2013 Plan")    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of shares authorized for Equity Incentive Plan 300,000  
Annual limitation on awards granted to an individual under Equity Incentive Plan 60,000  
Stock options | 2022 Equity Incentive Plan ("2022 Plan")    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of shares authorized for Equity Incentive Plan 175,000  
Annual limitation on awards granted to an individual under Equity Incentive Plan 35,000  
Number of shares available for grant 45,000 77,000
Stock options | 2010 Equity Incentive Plan ("2010 Plan")    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of shares authorized for Equity Incentive Plan 586,250  
Stock options | 2006 Equity Incentive Plan ("2006 Plan")    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of shares authorized for Equity Incentive Plan 365,000  
Restricted stock | Equity Incentive Plans    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Award vesting period 2 years 9 months 18 days 3 years 6 months
Forfeiture rate for equity incentive plans 15.00% 15.00%
Restricted stock, Fair value of shares vested and distributed | $ $ 315,000 $ 24,000
Unrecognized share-based compensation expense, restricted stock | $ $ 1,300,000 $ 1,800,000
Restricted stock | 2013 Equity Incentive Plan ("2013 Plan")    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of shares authorized for Equity Incentive Plan 300,000  
Annual limitation on awards granted to an individual under Equity Incentive Plan 45,000  
Restricted stock | 2022 Equity Incentive Plan ("2022 Plan")    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of shares authorized for Equity Incentive Plan 200,000  
Annual limitation on awards granted to an individual under Equity Incentive Plan 30,000  
Number of shares available for grant 74,000 69,000
Restricted stock | 2010 Equity Incentive Plan ("2010 Plan")    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of shares authorized for Equity Incentive Plan 288,750  
Restricted stock | 2006 Equity Incentive Plan ("2006 Plan")    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of shares authorized for Equity Incentive Plan 185,000