Significant Accounting Policies (Accounts Receivable) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Accounting Policies [Abstract]
Accounts Receivable, Allowance for Credit Loss	$ 100,480	$ 122,515	$ 110,507
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	10,000	12,008
Accounts Receivable, Allowance for Credit Loss, Writeoff	$ (32,035)	$ 0