Stockholders’ equity (Tables)

9 Months Ended

Sep. 30, 2024

Equity [Abstract]

Schedule of company recognized stock compensation expense

	Three months ended September 30,					Nine months ended September 30,
	2024		2023			2024		2023
Cost of services	$	-	$	(442	)	$	-	$	(442	)
Research and development		-		(159,742	)		48,820		(41,914	)
General and administrative		1,530		74,411			504,941		259,452
Sales and marketing		-		(143,710	)		4,397		(78,928	)
	$	1,530	$	(229,483	)	$	558,158	$	138,168

Schedule of stock purchase warrants

				Outstanding at
Issuance	Exercise Price		Expiration	September 30, 2024		December 31, 2023
February 2015	$	660,000.00	February 2025		3		3
October 2019	$	400.00	October 2024		1,770		1,770
October 2019	$	520.00	October 2024		1,175		1,175
November 2020	$	504.40	May 2026		1,211		1,211
February 2021	$	780.00	August 2026		2,084		2,084
May 2023	$	7.785	(1)		889,274		889,274
October 2023	$	3.36	April 2029		200,000		200,000
					1,095,517		1,095,517

The warrants listed above were issued in connection with various equity, debt, or development contract agreements.

(1) Warrants will be exercisable beginning on the date of stockholder approval of the exercisability of the warrants under Nasdaq rules. Once exercisable, the warrants will expire on the five-year anniversary of the date of such stockholder approval.