INCOME TAXES - Significant Components of Net Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Deferred tax assets:
Stock-based compensation	$ 2,357	$ 1,793
Net operating loss carryforwards	11,548	6,656
Research credit carryforwards	4,336	7,747
Lease liability	1,185	859
Intangibles	4,606	0
Other, net	852	1,117
Total deferred assets	24,884	18,172
Deferred tax liabilities:
Right of use asset	(1,032)	(633)
Intangibles	(15,914)	(14,139)
Total deferred liabilities	(16,946)	(14,772)
Valuation allowance for net deferred tax assets	(2,769)	(2,868)
Net deferred tax asset	$ 5,169	$ 532