Income Taxes - Additional Information (Details) - USD ($)		3 Months Ended	12 Months Ended			30 Months Ended
	Dec. 31, 2017	Dec. 31, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2020
Schedule Of Income Tax Disclosure [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic			$ 13,200,000			$ 13,200,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local			8,100,000			$ 8,100,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%					21.00%
Income Tax Expense (Benefit)		$ 136,386	(130,359)	$ 29,448	$ 173,038
Revaluation Of Valuation Allowance			136,386
Maximum
Schedule Of Income Tax Disclosure [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic			$ 1,500,000			$ 1,500,000
Domestic Tax Authority [Member] | Minimum
Schedule Of Income Tax Disclosure [Line Items]
Operating Loss Carryforward Expiration Date			2031
Domestic Tax Authority [Member] | Maximum
Schedule Of Income Tax Disclosure [Line Items]
Operating Loss Carryforward Expiration Date			2038
State and Local Jurisdiction [Member] | Minimum
Schedule Of Income Tax Disclosure [Line Items]
Operating Loss Carryforward Expiration Date			2020
State and Local Jurisdiction [Member] | Maximum
Schedule Of Income Tax Disclosure [Line Items]
Operating Loss Carryforward Expiration Date			2039