Income Taxes - Net Deferred Income Tax Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Deferred Tax Assets, Net [Abstract]
Net operating loss carryforward	$ 6,367	$ 7,751
Depreciation expense	(97)	(255)
Allowances for receivables	111	153
Accrued expenses	617	963
Intangible assets	1,185	2,218
Pension liabilities	132	231
Other	58	59
Gross deferred tax assets	8,373	11,120
Less valuation allowance	(8,373)	(11,120)
Net deferred income tax assets	$ 0	$ 0