DEBT - Schedule of long-term debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
DEBT
Long-term debt	$ 389,917	$ 389,142
Less: Current portion	(8,411)	(7,950)
Less: Debt issuance costs not amortized	(10,575)	(11,397)
Total Long-term debt	370,931	369,795
Seller Note – Bolder BioPath (Related party)
DEBT
Long-term debt	545	602
Seller Note – Preclinical Research Services
DEBT
Long-term debt	522	541
Seller Payable - Orient BioResource Center
DEBT
Long-term debt	3,664	3,649
Seller Note – Histion (Related party)
DEBT
Long-term debt	193	229
Seller Note – Protypia (Related party)
DEBT
Long-term debt	400	400
Economic Injury Disaster Loan
DEBT
Long-term debt	0	140
Convertible Senior Notes
DEBT
Long-term debt	112,174	110,651
Term Loan Facility, DDTL and Incremental Term Loans
DEBT
Long-term debt	$ 272,419	$ 272,930

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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