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Note 12 - Segments (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		Year Ended December 31,
		2025				2024
Grant revenue		$	4,006,510			$	9,737,974
Research and development expenses:
Dementia with Lewy bodies			7,052,512				12,102,842
Frontotemporal disorders (incl. nfvPPA)			1,217,784				36,853
Recovery after stroke			1,427,966				391,659
Other clinical* and nonclinical			2,504,863				2,499,202
Personnel costs, excluding stock-based compensation			5,745,558				2,187,221
Stock-based compensation			482,669				218,822
Other research and development expenses, including CMC**			3,385,720				1,361,744
Total research and development expenses			21,817,072				18,798,343
General and administrative expenses:
Personnel costs, excluding stock-based compensation			4,988,705				3,995,114
Stock-based compensation			965,965				1,186,900
Professional fees			2,752,710				2,684,386
Insurance, taxes and similar fees			1,166,374				985,481
Other general and administrative expenses, including IT, facilities, supplies and similar costs***			610,561				314,879
Total general and administrative expenses			10,484,315				9,166,760
Other income			1,328,510				1,936,436
Net loss		$	(26,966,367	)		$	(16,290,693	)

X

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

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-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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- References

No definition available.

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