Note F - Income Taxes - Net Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Deferred tax assets:
Inventory capitalization	$ 576	$ 167
Pension liability	403	322
Accrued bonus	391	107
Net operating loss carry forward	298	439
Deferred rent	175	143
Accumulated depreciation and amortization	158	897
Stock-based compensation	154	130
Tax credit carry forward	138	88
Accrued vacation expense	130	106
Other, net	64	13
Total gross deferred tax assets	2,487	2,412
Deferred tax liabilities:
Prepaid expenses	(260)	(189)
Other
Deferred tax liabilities	(260)	(189)
Valuation allowance		(193)
Net deferred tax assets	$ 2,227	$ 2,030