Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023
Accounting Policies Disclosure [Line Items]
Income tax provision	$ 1,879	$ 597,941
Effective tax rate	1.00%	5.70%
Other income	$ 0
Licensing proceeds		$ 33,000,000
Tax loss carryforward	32,100,000
Cost of goods sold	2,306,248	2,168,305
Allowance for credit losses, held-to-maturity debt securities	0
Held-to-maturity debt securities, net	17,183,653		$ 17,064,274
Federal [Member]
Accounting Policies Disclosure [Line Items]
Income tax provision	0	449,103
State and Local Jurisdiction [Member]
Accounting Policies Disclosure [Line Items]
Income tax provision	(1,879)	148,838
Current Officer [Member]
Accounting Policies Disclosure [Line Items]
Deferred compensation liability	1,937,185		$ 1,997,120
Deferred compensation expense (income)	$ (59,935)	$ 42,301