Note 14 - Segment Reporting and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Segment, Reconciliation of Other Items from Segments to Consolidated [Table Text Block]

	For the year ended December 31,
	2024		2025
	$		$
Clinical and pre-clinical expenses		462		1,630
Patent expenses		928		792
Personnel costs		4,642		3,196
Professional services		1,442		1,958
Other operational expenses		1,280		1,369
Other segment items		111		(230	)
Segment net loss		8,865		8,715
Reconciliation of net loss:
Net loss from discontinued operations		7,828		5,502
Consolidated net loss		16,693		14,217

Long-Lived Assets by Geographic Areas [Table Text Block]

	December 31,
	2024		2025
	$		$
Property and equipment, net:
PRC		34		11
U.S.		205		155
Total		239		166