Note 11 - Stockholders' Equity - Schedule of Warrants (Details) - Stock Warrants [Member]	9 Months Ended
	Sep. 30, 2025 $ / shares shares
Outstanding, shares (in shares) | shares	183,411
Outstanding, average exercise price (in dollars per share) | $ / shares	$ 133.8
Issued, shares (in shares) | shares	1,698
Issued, average exercise price (in dollars per share) | $ / shares	$ 28.13
Expired (in shares) | shares	(26,783)
Expired, average exercise price (in dollars per share) | $ / shares	$ 439.31
Exercised, shares (in shares) | shares	(100,059)
Exercised, average exercise price (in dollars per share) | $ / shares	$ 16.05
Outstanding, shares (in shares) | shares	58,267
Outstanding, average exercise price (in dollars per share) | $ / shares	$ 193.22