Revenue Recognition (Narrative) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Revenue recognized	$ 325,962	$ 427,193
Deferred revenue liability			$ 808,488
Minimum [Member]
Contract with Customer, Liability, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year)	1 year
Maximum [Member]
Contract with Customer, Liability, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year)	3 years