Note 13 - Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

	Level 1		Level 2		Level 3		Total
As of December 31, 2022:
Derivative warrant liability	$	-	$	-	$	69	$	69
Total liabilities at fair value	$	-	$	-	$	69	$	69

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	Fair Value as of Beginning of Period		Total Realized and Unrealized Gains (Losses)			Issuance of New Instruments		Net Transfers (Into) Out of Level 3		Fair Value, at End of Period		Change in Unrealized Gains (Losses) on Instruments Still Held
2023:
Derivative warrant liability	$	69	$	(69	)	$	-	$	-	$	-	$	(69	)
Total Level 3 fair value	$	69	$	(69	)	$	-	$	-	$	-	$	(69	)
2022:
Derivative warrant liability	$	258	$	(189	)	$	-	$	-	$	69	$	(189	)
Total Level 3 fair value	$	258	$	(189	)	$	-	$	-	$	69	$	(189	)