Income Taxes - Differences Between Income Taxes on Continuing Operations at Federal Statutory Rate and Effective Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Income tax expense (benefit) at Federal statutory rate	$ 1,470	$ (61)
Changes in valuation allowance—continuing operations	(1,076)	(369)
U.S. state income taxes, net of federal benefit	188	175
Prior year true-ups associated with CARES Act receipts	(587)	0
Permanent differences relating to CARES Act receipts	(56)	582
Deferred tax rate changes	77	(34)
Other	47	3
Total income tax expense	$ 63	$ 296