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DEBT (Tables)
 6 Months Ended
Mar. 31, 2025
Debt Disclosure [Abstract]  
Schedule of Long-Term Debt and Effective Interest Rates
Long-term debt as of March 31, 2025 and September 30, 2024 is detailed in the table below.

March 31, 2025September 30, 2024
Seller Note – Bolder BioPath (Related party)$263 $376 
Seller Note – Preclinical Research Services— 464 
Seller Payable - Orient BioResource Center3,235 3,700 
Seller Note – Histion (Related party)12 84 
Second Lien Notes20,485 17,846 
Convertible Senior Notes113,124 109,979 
Term Loan Facility, DDTL and Incremental Term Loans271,864 272,840 
Total debt before unamortized debt issuance costs$408,983 $405,289 
Less: Debt issuance costs not amortized(9,443)(11,950)
Total debt, net of unamortized debt issuance costs$399,540 $393,339 
Less: Current portion(7,146)(3,538)
Total Long-term debt$392,394 $389,801 
Below are the weighted-average effective interest rates for the loans available under the Credit Agreement:

Three Months Ended
March 31,		Six Months Ended
March 31,
2025202420252024
Effective interest rates:
Term Loan11.52 %11.06 %11.62 %11.30 %
Initial DDTL11.51 %11.05 %11.60 %11.29 %
Additional DDTL11.63 %11.17 %11.73 %11.42 %