Note F - Debt (Details Textual) - USD ($) $ in Millions	May 18, 2026	May 11, 2026	Jun. 30, 2025	Aug. 18, 2021	Mar. 31, 2026	Jun. 20, 2025
Line of Credit, Current			$ 1.9		$ 10.0
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Subsequent Event [Member] | Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
Gain (Loss) on Sale of Derivatives		$ 0.2
Wells Fargo Bank, N.A. [Member] | Credit Agreement [Member]
Line of Credit Facility, Maximum Borrowing Capacity						$ 10.0
Line of Credit Facility, Interest Rate During Period			3.25%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.375%
Line of Credit, Current					10.0
Wells Fargo Bank, N.A. [Member] | Credit Agreement [Member] | Term Loan [Member]
Debt Instrument, Face Amount				$ 10.0
Debt Instrument, Term (Year)				7 years
Debt Instrument, Basis Spread on Variable Rate				1.80%
Long-Term Debt					$ 8.7
Legacy Corporate Lending, LLC [Member] | Loan and Security Agreement [Member] | Subsequent Event [Member] | Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 20.0
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.50%
Debt Instrument, Term (Year)	3 years
Debt Instrument, Basis Spread on Variable Rate	4.50%
Line of Credit Facility, Commitment Fee Percentage	1.00%
Legacy Corporate Lending, LLC [Member] | Loan and Security Agreement [Member] | Term Loan [Member] | Subsequent Event [Member]
Debt Instrument, Face Amount	$ 11.0
Debt Instrument, Term (Year)	15 years
Debt Instrument, Basis Spread on Variable Rate	5.00%
Debt Instrument, Interest Rate, Stated Percentage	14.00%