Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Schedule Of Income Taxes [Line Items]
Tax net operating loss can be carried forward		20 years
Increase in deferred tax valuation allowance against assets		$ 712,000
Deferred tax valuation allowance against assets		1,000,700
Deferred tax assets, gross		$ 1,570,000	$ 1,080,000
Corporate tax rate		35.00%
Income tax expense in continuing operations due to tax reform legislation		$ 665,600
Net impact of revaluation resulted in income tax expense due to tax reform legislation		223,000
Scenario, Forecast
Schedule Of Income Taxes [Line Items]
Corporate tax rate	21.00%
U.S. federal
Schedule Of Income Taxes [Line Items]
Net operating loss carry forwards, amount		$ 3,100,000
U.S. federal | Earliest Tax Year
Schedule Of Income Taxes [Line Items]
Open tax years		2015
U.S. federal | Latest Tax Year
Schedule Of Income Taxes [Line Items]
Open tax years		2017
States
Schedule Of Income Taxes [Line Items]
Net operating loss carry forwards, amount		$ 5,600,000
States | Earliest Tax Year
Schedule Of Income Taxes [Line Items]
Open tax years		2012
States | Latest Tax Year
Schedule Of Income Taxes [Line Items]
Open tax years		2016