Balance sheet components

3 Months Ended

Mar. 31, 2025

Balance Sheet Components [Abstract]

Balance sheet components [Text Block]

3.  Balance sheet components

Prepaid expenses and other current assets include the following:

		March 31, 2025		December 31, 2024
		(Unaudited)
Insurance	$	408,938	$	583,561
Contract research organizations		355,810		455,810
Professional services		250,109		144,643
Prepaid services		76,488		29,970
Receivable for proceeds of warrant exercises		14,000		-
	$	1,105,345	$	1,213,984

Accrued expenses and other current liabilities include the following:

		March 31, 2025		December 31, 2024
		(Unaudited)
Accrued legal fees	$	553,835	$	495,016
Accrued compensation and benefits		89,701		140,989
Accrued other		418,504		126,830
	$	1,062,040	$	762,835