Significant Accounting Policies (Details) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Sep. 30, 2024
Acquired Indefinite-lived Intangible Assets [Line Items]
Estimated useful live of intangible assets	10 years
Impairment loss of long-lived asset			$ 0.0
Uncertain tax positions	$ 0.0		0.0
Income tax interest expense	0.0	$ 0.0
Income tax penalties expense	0.0	$ 0.0
Allowance for doubtful accounts	$ 0.0		$ 0.0
Treasury stock held (in shares)	0		0
Preferred shares authorized (in shares)	5,000,000		5,000,000
Preferred stock issued (in shares)	0		0
Employee Stock Option | 2025 Plan
Acquired Indefinite-lived Intangible Assets [Line Items]
Expiration term of share-based compensation plan	10 years
Minimum
Acquired Indefinite-lived Intangible Assets [Line Items]
Estimated useful of long-lived assets	3 years
Minimum | Facilities and Equipment
Acquired Indefinite-lived Intangible Assets [Line Items]
Operating lease term (in years)	1 year
Maximum
Acquired Indefinite-lived Intangible Assets [Line Items]
Estimated useful of long-lived assets	7 years
Maximum | Facilities and Equipment
Acquired Indefinite-lived Intangible Assets [Line Items]
Operating lease term (in years)	6 years 6 months