Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Income Tax Contingency [Line Items]
Additions to valuation allowance	$ 1,152,000	$ 1,506,000
Operating loss carryforwards, annual utilization limits	$ 800,000
Operating loss carryforwards, utilization limit, percent	80.00%
Previous accrual of uncertain tax positions		$ 1,004,000
Maximum
Income Tax Contingency [Line Items]
Operating loss carry forwards expiration year	2035
Minimum
Income Tax Contingency [Line Items]
Operating loss carry forwards expiration year	2032
Federal
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 10,000,000
Net operating loss carryforwards with indefinite carryforward period	$ 69,400,000
Number of years open for tax examinations	3 years
Foreign Tax Authority
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 0
Tax credit carryforwards	$ 1,800,000
Foreign Tax Authority | Maximum
Income Tax Contingency [Line Items]
Number of years open for tax examinations	5 years
Tax credit carry forwards expiration year	2034
Foreign Tax Authority | Minimum
Income Tax Contingency [Line Items]
Number of years open for tax examinations	3 years
Tax credit carry forwards expiration year	2030
State Jurisdiction
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 16,700,000
State Jurisdiction | Maximum
Income Tax Contingency [Line Items]
Number of years open for tax examinations	5 years
State Jurisdiction | Minimum
Income Tax Contingency [Line Items]
Number of years open for tax examinations	3 years
Research and Development | Federal
Income Tax Contingency [Line Items]
Tax credit carryforwards	$ 500,000
Research and Development | Federal | Maximum
Income Tax Contingency [Line Items]
Tax credit carry forwards expiration year	2043
Research and Development | Federal | Minimum
Income Tax Contingency [Line Items]
Tax credit carry forwards expiration year	2029