v3.23.3
Income Taxes (Effective Income Tax Rate Reconciliation) (Details)
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Income Taxes [Abstract]    
Statutory federal income tax rate 21.00% 21.00%
State taxes, net of federal benefit 1.00% 0.00%
Expiration and forfeiture of stock options (2.00%) 0.00%
Change related to iBio CDMO 0.00% (3.00%)
Change in valuation allowance (20.00%) (18.00%)
Effective income tax rate 0.00% 0.00%