Note 7 - Contract Assets and Liabilities 1 (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Mar. 31, 2020
Contract with Customer, Receivable, after Allowance for Credit Loss	$ 500,000		$ 600,000
License [Member]
Contract with Customer, Liability, Noncurrent				$ 2,000,000
Contract with Customer, Liability, Revenue Recognized	$ 33,333	$ 33,333