Note 11 - Common Stock (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Summary of Reserved Shares of Stock [Table Text Block]

	September 30,		December 31,
	2025		2024
Warrants to purchase common stock		1,055,809		707,234
Options issued and outstanding		355,368		8,868
Restricted stock units outstanding		79,415		44,119
Shares available for future incentive plan grants		79,113		5,555
Shares available for the conversion of Series A Preferred Stock		237,200		—
Shares available for the conversion of Series B Preferred Stock		2,770,477		—
Total		4,577,382		765,776