Annual report pursuant to Section 13 and 15(d)

Income Taxes (Effective Income Tax Rate Reconciliation) (Details)

v3.21.2
Income Taxes (Effective Income Tax Rate Reconciliation) (Details)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Income Taxes [Abstract]    
Statutory federal income tax rate 21.00% 21.00%
State (net of federal benefit) 0.00% 6.00%
Research and development tax credit 0.00% 0.00%
Cancelled and expired non-qualifying stock options 0.00% (14.00%)
Change in valuation allowance (21.00%) (13.00%)
Effective Income Tax Rate Reconciliation, Percent, Total 0.00% 0.00%