STOCKHOLDERS’ EQUITY - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Number of Shares
Outstanding, beginning balance (in shares)	461,710	651,269	781,092
Granted (in shares)	0	0	0
Exercised (in shares)	(294,006)	(189,559)	(98,952)
Canceled (in shares)	(9,115)	0	(30,871)
Outstanding, ending balance (in shares)	158,589	461,710	651,269	781,092
Weighted- Average Exercise Price
Outstanding, beginning balance (in dollars per share)	$ 8.00	$ 7.37	$ 7.46
Granted (in dollars per share)	0	0	0
Exercised (in dollars per share)	7.44	5.82	7.44
Canceled (in dollars per share)	3.82	0	9.49
Outstanding, ending balance (in dollars per share)	$ 9.28	$ 8.00	$ 7.37	$ 7.46
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Vested (in shares)	158,589
Exercisable (in shares)	158,589
Vested, weighted-average exercise price (in dollars per share)	$ 9.28
Exercisable, weighted-average exercise price (in dollars per share)	$ 9.28
Outstanding, weighted-average remaining contractual terms (in years)	4 years 9 months 18 days	2 years 8 months 12 days	3 years 7 months 6 days	3 years 8 months 12 days
Vested, weighted-average remaining contractual term (in years)	4 years 9 months 18 days
Exercisable, weighted-average remaining contractual term (in years)	4 years 9 months 18 days
Outstanding, aggregate intrinsic value	$ 204	$ 1,183	$ 2,185	$ 1,512
Exercised, aggregate intrinsic value	734	$ 976	$ 338
Vested, aggregate intrinsic value	204
Exercisable, aggregate intrinsic value	$ 204