Note F - Income Taxes - Net Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Deferred tax assets:
Inventory capitalization	$ 438	$ 576
Inventory reserves	178	103
Pension liability	241	403
Accrued bonus	114	391
Net operating loss carry forward	240	298
Deferred rent	193	175
Accumulated depreciation and amortization	8	158
Stock-based compensation	195	154
Tax credit carry forward	176	138
Accrued vacation expense	111	130
Other, net	256	15
Total gross deferred tax assets	2,150	2,541
Deferred tax liabilities:
Prepaid expenses	(148)	(260)
Other, net		(54)
Deferred tax liabilities	(148)	(314)
Valuation allowance
Net deferred tax assets	$ 2,002	$ 2,227