Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Inventory Disclosure [Abstract]
Raw materials and supplies	$ 2,710	$ 1,684
Work-in-process	6,548	4,061
Finished goods	3,172	3,108
Total inventories, net	$ 12,430	$ 8,853