ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Foreign currency translation:
Balance at beginning of period	$ 220	$ 220
Change in cumulative translation adjustment before reclassifications	75	0
Income taxes	0	0
Net current period other comprehensive income	75	0
Balance at end of the period	295	220
Retirement plans:
Balance at beginning of period	1,723	1,884
Amortization of net actuarial gain	0	(85)
Net actuarial gain (loss) arising during the period	624	(76)
Income taxes	0	0
Net current period other comprehensive income (loss)	624	(161)
Balance at end of the period	2,347	1,723
Accumulated other comprehensive income, net	$ 2,642	$ 1,943