Note 11 - Stock-Based Compensation - Schedule of Share-based Compensation (Details) - Share-Based Payment Arrangement, Option [Member]	6 Months Ended
	Jun. 30, 2025 $ / shares shares
Outstanding, shares (in shares) | shares	43,595
Outstanding, average exercise price (in dollars per share) | $ / shares	$ 82.7
Issued, shares (in shares) | shares	0
Issued, average exercise price (in dollars per share) | $ / shares	$ 0
Expired, shares (in shares) | shares	(1,482)
Expired, average exercise price (in dollars per share) | $ / shares	$ 71.2
Exercised, shares (in shares) | shares	0
Exercised, average exercise price (in dollars per share) | $ / shares	$ 0
Outstanding, shares (in shares) | shares	42,113
Outstanding, average exercise price (in dollars per share) | $ / shares	$ 88.98