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	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 0.7	$ 0.3	$ 2.2	$ 1.1
Intrinsic value of options outstanding	$ 0.1		$ 0.1
Average remaining life of option outstanding			8 years 7 months 6 days
Maximum contractual term of company's exercisable options			10 years
Unvested stock options (in shares)	100,000		100,000
Compensation expense unrecognized	$ 0.3		$ 0.3
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate fair value of restricted common stock vested			1.3	$ 0.3
Restricted Stock and Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 1.5		$ 1.5
Unrecognized compensation expense, period for recognition (in years)			1 year 1 month 6 days
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, period for recognition (in years)			1 year
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period (in years)			1 year
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period (in years)			3 years