XML 50 R35.htm IDEA: XBRL DOCUMENT v3.24.1

Note 12 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		Years ended December 31,
		2023				2022
Tax at federal statutory rate		$	(2,430	)		$	(2,500	)
State, net of federal benefit			(342	)			(190	)
Research and development credit			(267	)			(291	)
Share-based compensation			178				101
Net operating loss expiration			130				—
Other			3				—
Change in valuation allowance			2,728				2,880
Total provision for income taxes		$	—			$	—

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		Years ended December 31,
		2023				2022
Accrued compensation		$	147			$	189
Inventory adjustments			33				24
Depreciation and amortization			13				17
Share-based compensation			806				569
Net operating loss and tax credit carryforwards			32,910				31,499
Research and development capitalization			2,784				1,674
Other			19				12
Gross Deferred Tax Asset			36,712				33,984
Valuation Allowance			(36,712	)			(33,984	)
Net deferred tax asset		$	—			$	—

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

		Years ended December 31,
		2023				2022
Balance, beginning of year		$	1,519			$	1,368
Additions based on tax positions related to the current year			158				151
Balance, end of year		$	1,677			$	1,519

X

- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

+ Details

Name:	us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Paragraph 12
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-12

+ Details

Name:	us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the change in unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A

+ Details

Name:	us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration