STOCKHOLDERS’ EQUITY - RSU Activity (Details) - RSUs	9 Months Ended
	Jun. 30, 2025 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	2,453,630
Granted (in shares) | shares	1,597,068
Settled (in shares) | shares	(793,133)
Canceled (in shares) | shares	(154,125)
Outstanding at end of period (in shares) | shares	3,103,440
Weighted-Average Fair Market Value Per Share
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 11.25
Granted (in dollars per share) | $ / shares	8.91
Settled (in dollars per share) | $ / shares	11.44
Canceled (in dollars per share) | $ / shares	11.03
Outstanding at end of period (in dollars per share) | $ / shares	$ 10.00