Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income tax expense	$ 23,000	$ 15,000	$ 25,000	$ 15,000
Federal tax expense	23,000	15,000	25,000	15,000
State tax expense	23,000	$ 15,000	25,000	$ 15,000
Deferred income tax valuation allowance	7,121,000		7,121,000
Net long-term deferred income tax asset or liability	0		0
Net operating loss carry-forward	$ 16,957,000		$ 16,957,000
Net operating loss carryforward expiration year			2023 through fiscal 2038