Acquired Intangible Assets - Intangible assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Impaired Intangible Assets [Abstract]
Net	$ 46
Customer list
Impaired Intangible Assets [Abstract]
Weighted Average Remaining Amortization Period	1 year	2 years
Gross	$ 90	$ 90
Accumulated amortization	(89)	(80)
Net	$ 1	10
Patent
Impaired Intangible Assets [Abstract]
Weighted Average Remaining Amortization Period	9 years
Gross	$ 51	0
Accumulated amortization	(6)	0
Net	$ 45	$ 0