Leases - Summary of Operating Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023
Assets:
Operating lease assets, net	$ 1,089	$ 1,436
Liabilities:
Current operating lease liabilities	573	773
Long-term operating lease liabilities	516	663
Total lease liabilities	$ 1,089	$ 1,436