Balance sheet components (Tables)

9 Months Ended

Sep. 30, 2025

Balance Sheet Components [Abstract]

Schedule of prepaid expenses and other current assets [Table Text Block]

		September 30, 2025		December 31, 2024
		(Unaudited)
Insurance	$	79,852	$	583,561
Contract research organizations		390,942		455,810
Professional services		556,650		144,643
Prepaid services		91,877		29,970
	$	1,119,321	$	1,213,984

Schedule of accrued expenses and other current liabilities [Table Text Block]

		September 30, 2025		December 31, 2024
		(Unaudited)
Accrued legal fees	$	645,326	$	495,016
Accrued compensation and benefits		297,303		140,989
Accrued other		617,801		126,830
	$	1,560,430	$	762,835