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SUPPLEMENTAL BALANCE SHEET INFORMATION - Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Sep. 30, 2021
Inventories    
Raw materials $ 1,896 $ 513
Work in progress 156 37
Finished goods 4,976 192
Research Model Inventory 53,366  
Total 60,394 742
Less: Obsolescence reserve (3,619) (140)
Inventories, net $ 56,775 $ 602