FAIR VALUE MEASUREMENTS - Changes in Fair Value of Contingent Earnout Liabilities Measured at Fair Value on Recurring Basis Utilizing Level 1 and Level 3 Assumptions (Details) - Recurring [Member] - Contingent Earnout Liabilities [Member] - Level 1 and Level 3 [Member] - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
FAIR VALUE MEASUREMENTS [Abstract]
Balance at beginning of year	$ 3,381	$ 2,330
Fair value of contingent consideration recorded in connection with business combinations	1,005	1,017
Earnout payment	(1,078)	(740)
Fair value adjustment of contingent earnout liabilities	434	774
Total	$ 3,742	$ 3,381