Note N - Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Retirement plans and employee benefits	$ 4,787	$ 4,584
Foreign tax credit carryforwards	7,822	7,609
Federal tax credits, net of ASU 2013-11	1,597	1,801
State net operating loss and other state credit carryforwards, net of ASU 2013-11	2,179	2,208
Federal net operating loss	5,492	6,506
Inventory	0	0
Reserves	1,119	1,670
Foreign NOL carryforwards	0	66
Accruals	703	871
Right of use assets - operating leases	3,381	3,674
Disallowed interest	980	982
Capital loss carryforward	108	0
Other assets	358	1,033
Gross deferred tax assets	28,526	31,004
Valuation allowance	(23,097)	(24,420)
Deferred Tax Assets, Net of Valuation Allowance, Total	5,429	6,584
Inventory	285	480
Property, plant and equipment	1,155	1,852
Intangibles	2,012	2,982
Long term operating lease obligations	3,352	3,622
Other liabilities	249	182
Deferred Tax Liabilities, Gross, Total	7,053	9,118
Total net deferred tax (liabilities) assets	$ (1,624)	$ (2,534)