Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Sep. 30, 2025
Assets:
Cash equivalents		$ 6
Marketable securities	$ 53,046	54,625
Total		54,631
Cash deposits		134,100
Active Markets for Identical Instruments (Level 1)
Assets:
Cash equivalents		6
Marketable securities	$ 53,046	54,625
Total		$ 54,631