Note 22 - Subsequent Events (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

Years ending December 31,	(in thousands)
2024		643
2025		171
2026		177
2027		136
2028		—
2029		—
Total future minimum lease payments	$	1,127
Less: imputed interest		(42	)
Total operating lease liability	$	1,085

Office in La Jolla, California [Member]

Notes Tables

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

Months 1-12:	$	71
Months 13-24:	$	76
Months 25-36:	$	105
Months 37-48:	$	108
Months 49-60:	$	112
Months 61-72:	$	115
Months 73-84:	$	119
Months 85-96:	$	122
Months 97-108:	$	126
Months 109-120:	$	129