Quarterly report [Sections 13 or 15(d)]

Note 6 - Other Comprehensive Income (Loss) - Changes in Other Comprehensive Income (Loss) (Details)

v3.26.1
Note 6 - Other Comprehensive Income (Loss) - Changes in Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2026
Jun. 30, 2025
Balance $ 242,807   $ 256,163 $ 265,899   $ 275,763 $ 256,163 $ 275,763
Other comprehensive income (loss) (195)     1,135     (2,070) 642
Other comprehensive income (loss) (195)     1,135     (2,070) 642
Balance 245,920 $ 242,807   264,476 $ 265,899   245,920 264,476
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]                
Balance (144) 163 58 (8) (59) 66 58 66
Other comprehensive income (loss) (195) (307) 105 9 51 (125)    
Other comprehensive income (loss) (195) (307) 105 9 51 (125)    
Balance (339) (144) 163 1 (8) (59) (339) 1
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]                
Balance 0 0 1,673 594 42 1,013 1,673 1,013
Other comprehensive income (loss) 0 0 (1,673) 1,126 552 (971)    
Other comprehensive income (loss) 0 0 (1,673) 1,126 552 (971)    
Balance 0 0 0 1,720 594 42 0 1,720
AOCI Attributable to Parent [Member]                
Balance (144) 163 1,731 586 (17) 1,079 1,731 1,079
Other comprehensive income (loss) (195) (307) (1,568) 1,135 603 (1,096)    
Other comprehensive income (loss) (195) (307) (1,568) 1,135 603 (1,096)    
Balance $ (339) $ (144) $ 163 $ 1,721 $ 586 $ (17) $ (339) $ 1,721