Note 13 - Convertible Preferred Stock - Schedule of Preferred Stock (Details)	Dec. 31, 2024 shares
Undesignated Preferred Stock [Member]
Preferred stock, shares authorized (in shares)	979,000
Series B Preferred Stock [Member]
Preferred stock, shares authorized (in shares)	1,000,000
Series C Preferred Stock [Member]
Preferred stock, shares authorized (in shares)	4,000
Series D Preferred Stock [Member]
Preferred stock, shares authorized (in shares)	12,000
Series E Preferred Stock [Member]
Preferred stock, shares authorized (in shares)	5,000