ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Foreign currency translation:
Balance at beginning of period	$ 220	$ 222
Change in cumulative translation adjustment before reclassifications	0	(2)
Income taxes	0	0
Net current period other comprehensive loss	0	(2)
Balance at end of the period	220	220
Retirement plans:
Balance at beginning of period	1,884	1,072
Amortization of net actuarial gain	(85)	(79)
Net actuarial (loss) gain arising during the period	(76)	891
Income taxes	0	0
Net current period other comprehensive (loss) income	(161)	812
Balance at end of the period	1,723	1,884
Accumulated other comprehensive income, net	$ 1,943	$ 2,104