Note J - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Operating Loss Carryforwards, Valuation Allowance	$ 0	$ 0
Percentage of Valuation Allowance	100.00%
Unrecognized Tax Benefits	$ 0	0
Domestic Tax Jurisdiction [Member]
Operating Loss Carryforwards	65,000,000	74,500,000
Operating Loss Carryforwards Subject to Expiration	26,000,000
Operating Loss Carryforwards, Indefinite Lived	$ 39,000,000
Open Tax Year	2021 2022 2023
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	$ 29,400,000	$ 63,300,000
Operating Loss Carryforwards Subject to Expiration	28,800,000
Operating Loss Carryforwards, Indefinite Lived	$ 600,000