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ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Sep. 30, 2022
Changes in foreign currency translation      
Beginning accumulated foreign currency translation $ 222 $ 262  
Change in cumulative translation adjustment before reclassifications 2 (25)  
Income taxes 0 0  
Net current period other comprehensive income (loss) 2 (25)  
Ending accumulated foreign currency translation 224 237  
Changes in retirement plans      
Beginning accumulated retirement plans benefit income (cost) 1,072 (230)  
Amortization of net actuarial gain (20) 0  
Income taxes 0 0  
Net current period other comprehensive loss (20) 0  
Ending accumulated retirement plans benefit income (cost) 1,052 (230)  
Accumulated other comprehensive income, net of taxes $ 1,276 $ 7 $ 1,294