Pension Expense (Details)	12 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2016
Retirement Benefits [Abstract]
Defined benefit contributions and expenses	$ 112,997	$ 121,273
Increase in contribution, hourly rate			0.04
Employer matching contibutions of 401(k) plan (percentage)	10.00%	10.00%
Employer matching contributions to 401(k) plan	$ 49,218	$ 58,389