Income Taxes - Net Deferred Income Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Deferred Tax Assets Net [Abstract]
Net operating loss carryforward	$ 7,275	$ 5,856
Depreciation expense	(122)	(98)
Allowances for receivables	255	117
Accrued liabilities	237	268
Intangible assets	(35)	263
Pension liabilities	32	113
PRF received	126	0
ROU liabilities	291	0
ROU assets	(292)	0
Other	83	181
Gross deferred tax assets	7,850	6,700
Less valuation allowance	(7,919)	(6,700)
Net deferred income tax liabilities	$ (69)	$ 0