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Note O - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

		Year ended December 31,
		2024				2023
Federal statutory rate			21.00	%			21.00	%
Effect of:
Foreign rate differential			0.04				-
Change in valuation allowance			(13.17	)			(23.29	)
Return to provision and deferred true-up			(4.40	)			(2.41	)
Federal research and development credit			-				4.09
Change in rate			-				(0.01	)
State tax benefit (net of federal)			5.05				5.19
Stock-based compensation			(0.55	)			(0.20	)
Global intangible low-taxed income credit			(0.02	)			(3.41	)
Officers compensation			(0.23	)			-
Expiration of net operating loss deferred tax asset			(3.01	)			-
Deferred adjustment and rate change			(4.27	)			-
Foreign research and development excess benefit			-				(0.86	)
Uncertain tax position			(17.88	)			-
Other			0.39				(0.10	)
Federal income tax provision effective rate			(17.05	)%			0.00	%

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

		December 31,
		2024				2023
Deferred tax assets relating to:
Net operating loss carryforwards		$	100,552			$	90,743
Research and development tax carryforward			19,153				20,670
Stock-based compensation			5,711				5,154
174 expenses			33,941				30,241
Right-of-use liability			108				265
Property and equipment			79				23
Other deferred tax assets			3,652				1,951
Total gross deferred tax assets			163,196				149,047
Deferred tax liabilities relating to:
Right-of-use asset			82				249
Intangibles			17,859				14,473
Total gross deferred tax liabilities			17,941				14,722
Deferred tax assets less liabilities			145,256				134,324
Valuation allowance			(146,359	)			(134,488	)
Net deferred tax liability		$	(1,103	)		$	(164	)

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

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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

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-Topic 740
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