Note 10 - Equity - Summary of Stock-Based Award Activity (Detail) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards, Beginning of the period	775,369	159,439
Restricted Stock Awards, Vested	(190,665)	(59,607)
Restricted Stock Awards, Forfeited		(6,695)
Restricted Stock Awards, Ending of the period	584,704	93,137
Weighted-Average Grant Date Fair Value Per Restricted Stock Award, Beginning of the period	$ 0.99	$ 2.24
Weighted-Average Grant Date Fair Value Per Restricted Stock Award, Vested	1.2	2.25
Weighted-Average Grant Date Fair Value Per Restricted Stock Award, Forfeited		2.95
Weighted-Average Grant Date Fair Value Per Restricted Stock Award, Ending of the period	$ 0.92	$ 2.23