DEBT - Schedule of long-term debt (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Sep. 30, 2023
DEBT
Total debt before unamortized debt issuance costs	$ 394,070	$ 389,142
Less: Debt issuance costs not amortized	(11,623)	(11,397)
Total debt, net of unamortized debt issuance costs	382,447	377,745
Less: Current portion	(378,550)	(7,950)
Total Long-term debt	3,897	369,795
Seller Note – Bolder BioPath (Related party)
DEBT
Total debt before unamortized debt issuance costs	432	602
Seller Note – Preclinical Research Services
DEBT
Total debt before unamortized debt issuance costs	484	541
Seller Payable - Orient BioResource Center
DEBT
Total debt before unamortized debt issuance costs	3,690	3,649
Seller Note – Histion (Related party)
DEBT
Total debt before unamortized debt issuance costs	120	229
Seller Note – Protypia (Related party)
DEBT
Total debt before unamortized debt issuance costs	0	400
Economic Injury Disaster Loan
DEBT
Total debt before unamortized debt issuance costs	0	140
Convertible Senior Notes
DEBT
Total debt before unamortized debt issuance costs	115,296	110,651
Term Loan Facility, DDTL and Incremental Term Loans
DEBT
Total debt before unamortized debt issuance costs	$ 274,048	$ 272,930

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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