Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating Loss Carryforwards [Line Items]
Deferred tax assets valuation allowance	$ 8,242,522	$ 10,899,617
Unrecognized tax benefits income tax penalties and interest expense	0	0
Unrecognized tax benefits income tax penalties and interest accrued	0	0
Deferred federal income taxes from proper use of bad debt reserve	0	0
Bad debt deductions included in retained earnings	7,800,000	7,800,000
Deferred state income taxes from proper use of bad debt reserve	0	0
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	26,400,000	31,500,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 41,900,000	$ 46,900,000