Note 14 - The Financing and Warrant Liabilities - Warrant Activity (Details) - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Balance (in shares)	594,168
Balance, weighted average remaining contractual life (Year)	4 months 17 days	7 months 17 days
Weighted average exercise price (in dollars per share)	$ 18.5
Exercisable (in shares)	594,168
Exercisable, weighted average remaining contractual life (Year)	4 months 17 days	7 months 17 days
Exercisable, weighted average exercise price (in dollars per share)	$ 18.5
Granted/Vested (in shares)	0
Exercised (in shares)	0
Balance (in shares)	594,168	594,168
Weighted average exercise price (in dollars per share)	$ 18.5	$ 18.5
Exercisable (in shares)	594,168	594,168
Exercisable, weighted average exercise price (in dollars per share)	$ 18.5	$ 18.5