Note 5 - Stockholders' Equity - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Outstanding, shares (in shares)	50,000
Outstanding, weighted average exercise price (in dollars per share)	$ 1.01
Outstanding, weighted average contractual term (Year)		9 years
Outstanding, intrinsic value	$ 0	$ 3,500
Vested, shares (in shares)	(50,000)
Vested, weighted average exercise price (in dollars per share)	$ 1.01
Outstanding, shares (in shares)	0	50,000
Outstanding, weighted average exercise price (in dollars per share)		$ 1.01
Exercisable, shares (in shares)	50,000
Exercisable, weighted average contractual term (Year)	8 years 9 months 18 days
Exercisable, intrinsic value	$ 0

Number of share options (or share units) exercised during the current period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Allarity Therapeutics, Inc. 10-Q