Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Federal loss carryovers, description	federal loss carryovers of approximately $34.2 million that will expire in stages beginning in 2034 if unused and federal loss carryovers of $182.8 million that will carry forward indefinitely. The North Carolina, New York, California and Florida state loss carryovers of approximately $28.7 million, $11.5, $12.7 and $0.05 million, respectively, will begin to expire in 2029 if unused. Federal research credits of $2.7 million will expire beginning in 2034 if not utilized.
Net change in the valuation allowance	$ 11,800
Gross unrecognized tax benefits		$ 300	$ 400
Amount of unrecognized tax benefits.	400	300
Unrecognized tax benefit	$ 427	$ 326	$ 200

federal loss carryovers of approximately $34.2 million that will expire in stages beginning in 2034 if unused and federal loss carryovers of $182.8 million that will carry forward indefinitely. The North Carolina, New York, California and Florida state loss carryovers of approximately $28.7 million, $11.5, $12.7 and $0.05 million, respectively, will begin to expire in 2029 if unused. Federal research credits of $2.7 million will expire beginning in 2034 if not utilized.

$ 300

$ 400

Unrecognized tax benefit

$ 427

$ 326

$ 200