Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Sep. 30, 2024
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,387	$ 5,519
Accumulated depreciation	(4,156)	(4,228)
Property and equipment, net	1,231	1,291
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,603	1,697
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,480	1,480
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,294	2,312
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 10	$ 30