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Note 2 - Basis of Presentation, Principles of Consolidation, Significant Accounting Policies and Liquidity (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

Description		Fair Value				Level 1				Level 2				Level 3
Fair value of warrant liability as of June 30, 2021:		$	5,390			$	—			$	—			$	5,390
Fair value of warrant liability as of December 31, 2020:		$	8,192			$	—			$	—			$	8,192

Three Months Ended June 30, 2021		Warrant Liability Long-Term				Warrant Liability Total
Balance, March 31, 2021		$	6,563			$	6,563
Change in fair value - net			(1,173	)			(1,173	)
Balance, June 30, 2021		$	5,390			$	5,390

Six Months Ended June 30, 2021		Warrant Liability Long-Term				Warrant Liability Total
Balance, December 31, 2020		$	8,192			$	8,192
Exercise of warrants			(52	)			(52	)
Change in fair value - net			(2,750	)			(2,750	)
Balance, June 30, 2021		$	5,390			$	5,390

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- Definition

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

+ References

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