XML 42 R33.htm IDEA: XBRL DOCUMENT v3.25.1

Note 11 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Statutory Federal Income Tax Rate Applied to Loss Before Income Tax

Income taxes vary from the statutory federal income tax rate applied to loss before income taxes as follows (in thousands):

		Year Ended December 31,
		2024				2023
Statutory federal income tax rate of 21 percent applied to loss before income taxes		$	(3,032	)		$	(2,583	)
State taxes - net of federal benefit			(660	)			(810	)
Meals and entertainment			1				3
Warrants			—				(12	)
Stock-based compensation			371				522
Other non-deductible expenses			16				(89	)
Expiration of tax attributes			184				484
Change in tax rate			(346	)			207
Other			(49	)			—
Valuation allowance			3,515				2,278
		$	—			$	—

Schedule of Deferred Income Tax Assets and Liabilities

Deferred income tax assets and liabilities arising from differences between accounting for financial statement purposes and tax purposes, less valuation reserves at year end are as follows (in thousands):

		Year Ended December 31,
		2024				2023
Deferred tax assets:
Accrued expenses		$	122			$	128
Depreciation			82				245
Lease liability			25				55
Net operating loss carryforwards			27,383				24,703
Stock compensation			1,216				1,470
Capitalized research and development costs			3,771				2,515
Total deferred tax assets			32,599				29,116
Deferred tax liabilities:
Operating right-of-use asset			23				52
Prepaid expense			108				112
Total deferred tax liabilities			131				164
Net deferred tax asset			32,468				28,952
Valuation allowance			(32,468	)			(28,952	)
Net deferred taxes		$	—			$	—

X

- References

No definition available.

+ Details

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

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://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-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://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-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