Note 7 - Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

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

	Three Months Ended
	March 31, 2026			March 31, 2025
Revenue as a percent of total revenue
United States government agencies		43.0	%		10.9	%
Customer A		39.0	%		23.1	%
Customer B		—			11.2	%

	March 31, 2026			March 31, 2025
Receivables as a percent of total receivables
United States government agencies		7.0	%		8.7	%
Customer A		60.8	%		25.8	%
Customer B		—			13.3	%