v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
Jun. 30, 2025
Sep. 30, 2024
Accounting Policies [Abstract]        
Cash and cash equivalents $ 33,955 $ 591 $ 931  
Restricted cash in other noncurrent assets 1,157 1,058 1,058  
Cash, cash equivalents and restricted cash $ 35,112 $ 1,649 $ 1,989 $ 1,612