Fair Value Measurements (Details) - USD ($)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Marketable Securities:
Short-term investments	$ 26,980,000	$ 25,660,000
Transfers between Level 1 to 2	0	0
Transfers in or out of level 3	0	0
Fair Value, Recurring
Marketable Securities:
Cash equivalents	46,518,000	15,242,000
Short-term investments	26,980,000	25,660,000
Fair Value	5,398,000	5,136,000
Fair Value, Recurring | Certificate of Deposits
Marketable Securities:
Cash equivalents	5,402,000	15,179,000
Short-term investments	26,980,000	25,660,000
Fair Value, Recurring | Money Market Fund
Marketable Securities:
Cash equivalents	41,116,000	63,000
Fair Value, Recurring | Mutual Funds
Marketable Securities:
Fair Value	5,398,000	5,136,000
Fair Value, Recurring | Level 1
Marketable Securities:
Cash equivalents	46,518,000	15,242,000
Short-term investments	26,980,000	25,660,000
Fair Value	5,398,000	5,136,000
Fair Value, Recurring | Level 1 | Certificate of Deposits
Marketable Securities:
Cash equivalents	5,402,000	15,179,000
Short-term investments	26,980,000	25,660,000
Fair Value, Recurring | Level 1 | Money Market Fund
Marketable Securities:
Cash equivalents	41,116,000	63,000
Fair Value, Recurring | Level 1 | Mutual Funds
Marketable Securities:
Fair Value	$ 5,398,000	$ 5,136,000