STOCKHOLDERS' EQUITY - ESTIMATED FAIR VALUE OF EQUITY-CLASSIFIED AWARDS - STOCK OPTIONS (Details) - Equity-classified share options - $ / shares		12 Months Ended
	Feb. 09, 2021	Sep. 30, 2023
Share-based compensation
Number of shares granted (in shares)	665,000	0
Share-based Payment Arrangement, >10% Owner-Employee
Share-based compensation
Number of shares granted (in shares)		60,000
Expected volatility		127.40%
Expected dividends		0.00%
Expected term		3 years 6 months
Risk-free interest rate		0.19%
Expected forfeitures		0.00%
Fair value per share (in dollars per share)		$ 2.51
Share-based Payment Arrangement, Others
Share-based compensation
Number of shares granted (in shares)		605,000
Expected volatility		105.80%
Expected dividends		0.00%
Expected term		6 years
Risk-free interest rate		0.82%
Expected forfeitures		0.00%
Fair value per share (in dollars per share)		$ 2.70