Income Taxes (Effective Income Tax Rate Reconciliation) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Income Taxes [Abstract]
Federal income tax liability at statutory rate	$ 267,945	$ 104,522
State income tax liability, net of federal income tax effect	5,938	3,259
Increase in valuation allowance	1,486,001	7,741,570
Stock option (deduction)	(1,966,822)	(8,326,662)
Non-deductible officer's compensation	127,612	657,464
All other permanent items	(50,573)	(172,863)
R&D credit	(34,936)	(30,000)
Return-to-provision	(38,863)	(3,303)
Expiration of stock options and tax credits	7,573	40,572
State tax rate change	157,716	(30,887)
Other	45,926	20,453
Total income tax provision (benefit)	$ 7,517	$ 4,125