Quarterly report pursuant to Section 13 or 15(d)

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

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Note 6 - Other Comprehensive Income (Loss) - Changes in Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Balance $ 305,399   $ 147,582 $ 123,429 $ 147,582 $ 103,825
Other comprehensive income (34)     (235) 1,630 (960)
Balance 311,934 $ 305,399   136,774 311,934 136,774
Balance 311,934 305,399   136,774 311,934 136,774
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]            
Balance (886) (1,083) (1,224)   (1,224)  
Other comprehensive income 15 197 141      
Balance (871) (886) (1,083)   (871)  
Balance (871) (886) (1,083)   (871)  
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]            
Balance 652 350 (674)   (674)  
Other comprehensive income (49) 302 1,024      
Balance 603 652 350   603  
Balance 603 652 350   603  
AOCI Attributable to Parent [Member]            
Balance (234) (733) (1,898) (725) (1,898) 0
Other comprehensive income (34) 499 1,165      
Balance (268) (234) (733) (960) (268) (960)
Balance $ (268) $ (234) $ (733) $ (960) $ (268) $ (960)