Note 9 - Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended						Nine Months Ended
	September 30, 2025			September 30, 2024			September 30, 2025			September 30, 2024
Revenue as a percent of total revenue
United States government agencies		50.7	%		39.1	%		26.3	%		40.7	%
Customer A		26.2	%		14.1	%		-			-
Customer B		-			-			13.3	%		10.3	%

	September 30, 2025			September 30, 2024
Receivables as a percent of total receivables
United States government agencies		29.8	%		21.3	%
Customer A		21.2	%		-
Customer B and C		-			30.7	%