v3.23.2

Note 2 - Investments and Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Cash, Cash Equivalents and Investments [Table Text Block]

		As of December 31, 2022
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Cash, cash equivalents and restricted cash:
Cash		$	13,275			$	—			$	—			$	13,275
Money market funds			321				—				—				321
U.S. government agency securities			2,444				—				—				2,444
Commercial paper			4,235				—				—				4,235
Total cash, cash equivalents and restricted cash			20,275				—				—				20,275
Short-term investments:
Commercial paper			495				—				—				495
Total short-term investments			495				—				—				495
Total cash, cash equivalents, restricted cash and short-term investments		$	20,770			$	—			$	—			$	20,770

		As of December 31, 2021
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Cash, cash equivalents and restricted cash:
Cash		$	1,443			$	—			$	—			$	1,443
Money market funds			2,822				—				—				2,822
Commercial paper			8,398				—				—				8,398
Total cash, cash equivalents and restricted cash			12,663				—				—				12,663
Short-term investments:
Commercial paper			29,504				—				—				29,504
Corporate debt securities			9,463				—				—				9,463
Total short-term investments			38,967				—				—				38,967
Total cash, cash equivalents, restricted cash and short-term investments		$	51,630			$	—			$	—			$	51,630

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

		As of December 31, 2022
		Fair Value				Level I				Level II				Level III
Assets
Money market funds		$	321			$	321			$	—			$	—
U.S. government agency securities			2,444				—				2,444				—
Commercial paper			4,730				—				4,730				—
Total assets measured at fair value		$	7,495			$	321			$	7,174			$	—
Liabilities
Warrant liability			7,098				—				—				7,098
Total liabilities measured at fair value		$	7,098			$	—			$	—			$	7,098

		As of December 31, 2021
		Fair Value				Level I				Level II				Level III
Assets
Money market funds		$	2,822			$	2,822			$	—			$	—
Commercial paper			37,902				—				37,902				—
Corporate debt securities			9,463				—				9,463				—
Total assets measured at fair value		$	50,187			$	2,822			$	47,365			$	—

X

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2C
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2C

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-3

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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Tabular disclosure of the components of cash, cash equivalents, and investments.

+ References

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