v3.26.1
Description of Business, Basis of Presentation and Summary of Significant Accounting Policies - Intangible Assets (Details) - USD ($)
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Intangible assets      
Carrying value $ 13,848,000 $ 13,848,000  
Accumulated amortization (10,858,000) (10,561,000)  
Net book value 2,990,000 3,287,000  
Amortization expense 298,000 $ 315,000 $ 337,000
Future amortization expense      
2027 283,000    
2028 269,000    
2029 210,000    
2030 202,000    
2031 $ 202,000    
Weighted average remaining period 13 years 3 months 18 days 14 years 1 month 6 days  
Customer relationships      
Intangible assets      
Carrying value $ 9,800,000 $ 9,800,000  
Accumulated amortization (9,644,000) (9,549,000)  
Net book value 156,000 251,000  
Trade name      
Intangible assets      
Carrying value 4,048,000 4,048,000  
Accumulated amortization (1,214,000) (1,012,000)  
Net book value $ 2,834,000 $ 3,036,000