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Note 3 - Fair Value Measurement (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

		As of March 31, 2023
		Level 1				Level 2				Level 3				Total
Assets:
Money market funds		$	20			$	—			$	—			$	20
Cash in savings account			—				—				—				4,508
Cash in checking account			—				—				—				329
Total cash and cash equivalents		$	20			$	—			$	—			$	4,857

		As of December 31, 2022
		Level 1				Level 2				Level 3				Total
Assets:
Money market funds		$	6,893			$	—			$	—			$	6,893
Cash in checking account			—				—				—				470
Total cash and cash equivalents		$	6,893			$	—			$	—			$	7,363

X

- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-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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Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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