Note 14 - Warrant Liabilities - Warrant Activity (Details)	9 Months Ended
	Sep. 30, 2024 $ / shares shares
Balance (in shares)	148,543	[1]
Balance, weighted average remaining contractual life (Year)	7 months 17 days	[1]
Weighted average exercise price (in dollars per share) | $ / shares	$ 74	[1]
Exercisable (in shares)	148,543	[1]
Exercisable, weighted average remaining contractual life (Year)	7 months 17 days	[1]
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 74	[1]
Granted/Vested (in shares)	0
Expired (in shares)	(148,543)
Balance (in shares)	0
Weighted average exercise price (in dollars per share) | $ / shares	$ 0
Exercisable (in shares)	0
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 74

[1] *Retrospectively restated for effect of the 1-for-4 reverse stock split effective on September 30, 2024, see Note 4(g).