Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2026

Notes Tables

Schedule of Major Customers [Table Text Block]

Major Customers		Revenue								Revenue								Accounts Receivable
		For the Three Months Ended June 30,								For the Six Months Ended June 30,								June 30,				December 31,
		2026				2025				2026				2025				2026				2025
Customer A			51	%			72	%			45	%			72	%			68	%			40	%
Customer B			20	%			*				22	%			*				*				43	%
Customer C			11	%			*				11	%			*				*				*
Customer D			*				*				13	%			*				*				*

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

		*Three and Six Months Ended June 30,*
		*2026*				*2025*
Series A convertible preferred stock			7,213,115				7,213,115
Common stock warrants			5,780,955				5,780,955
Restricted stock units			103,650				252,610
Stock options			810,636				306,211
			13,908,356				13,552,891