Revenue Recognition (Narrative) (Details) - USD ($)	6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2019
Contract with Customer, Liability, Total	$ 200,424	$ 278,577
Contract with Customer, Liability, Total			$ 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