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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Accounting Policies [Abstract]        
Cash and cash equivalents $ 2,407 $ 1,107 $ 1,259  
Restricted cash in other noncurrent assets 461 345 1,294  
Cash, cash equivalents and restricted cash $ 2,868 $ 1,452 $ 2,553 $ 6,043