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Summary of Significant Accounting Policies - Concentrations of Credit Risk (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025	Jun. 30, 2025
Summary of Significant Accounting Policies
Cash deposits held in excess of FDIC insured amount	$ 479,000		$ 479,000		$ 2,177,000
Revenue			$ 100,000	$ 200,000
Number of reportable segments			1
Number of operating segments			1
Revenues | Customer concentration risk
Summary of Significant Accounting Policies
Revenue	$ 0	$ 0	$ 0	$ 0
Number of significant customers	1	1	1	1

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