Marketable Securities - Investments in debt securities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2025	Mar. 31, 2025	Jun. 30, 2024
Investments in Debt Securities
Aggregate Fair Value			$ 0
Credit loss recognized	$ 0	$ 0
U.S. Treasury Securities
Investments in Debt Securities
Amortized Cost	10,003	10,003
Unrealized Gains	133	133
Unrealized Losses	0	0
Aggregate Fair Value	$ 10,136	$ 10,136