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Note 6 - Warrant Liabilities (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2023

Dec. 31, 2022

Notes Tables

Schedule Of Warrant Liability [Table Text Block]

		Liberty Warrants and Liberty Advisory Fee Warrant				PIPE Warrant				*$8.63* Warrants				Total Warrants
As of December 31, 2022		$	6,191			$	311			$	1,833			$	8,335
Warrants issued		$	—			$	—			$	—			$	—
Change in fair value of financial instruments			(5,009	)			(252	)			(1,129	)			(6,390	)
As of September 30, 2023		$	1,182			$	59			$	704			$	1,945

		Liberty Warrants and Liberty Advisory Fee Warrant				PIPE Warrant				Columbia Warrant				$8.63 Warrants				Total Warrant Liabilities
As of December 31, 2021		$	—			$	—			$	143,237			$	—			$	143,237
Warrants issued		$	30,853			$	1,312			$	—			$	4,872			$	37,037
Change in fair value of financial instruments			(24,662	)			(1,001	)			(18,635	)			(2,702	)			(47,000	)
Write-off of deferred costs			—				—				203				—				203
Settlements			—				—				—				(337	)			(337	)
Reclassification to equity			—				—				(124,805	)			—				(124,805	)
As of December 31, 2022		$	6,191			$	311			$	—			$	1,833			$	8,335