Note 13 - Convertible Preferred Stock (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Schedule of Stock by Class [Table Text Block]

	Authorized
Undesignated Preferred Stock		979,000
Series B Convertible Preferred Stock		1,000,000
Series C Convertible Preferred Stock		4,000
Series D Convertible Preferred Stock		12,000
Series E Convertible Preferred Stock		5,000