Note 13 - Stockholders' Equity - Warrants Outstanding (Details)	Dec. 31, 2024 $ / shares shares
Shares Subject to Purchase (in shares)	1,823,856
Exercise Price 1 [Member]
Exercise Price per Share (in dollars per share) \| $ / shares	$ 27.5
Shares Subject to Purchase (in shares)	18,193
Exercise Price 2 [Member]
Exercise Price per Share (in dollars per share) \| $ / shares	$ 25
Shares Subject to Purchase (in shares)	10,288
Exercise Price 3 [Member]
Exercise Price per Share (in dollars per share) \| $ / shares	$ 9.75
Shares Subject to Purchase (in shares)	39,125
Exercise Price 4 [Member]
Exercise Price per Share (in dollars per share) \| $ / shares	$ 7.8
Shares Subject to Purchase (in shares)	1,006,250
Exercise Price 5 [Member]
Exercise Price per Share (in dollars per share) \| $ / shares	$ 1.93
Shares Subject to Purchase (in shares)	425,000
Exercise Price 6 [Member]
Exercise Price per Share (in dollars per share) \| $ / shares	$ 1.92
Shares Subject to Purchase (in shares)	325,000