Revenue from contracts with customers

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Revenue from contracts with customers

Note 4 – Revenue from contracts with customers

Disaggregated revenue

The Company provided diagnostic test products and laboratory services to hospitals, clinical laboratories and other healthcare providing customers, and entered into collaboration agreements with government agencies, non-governmental organizations, and healthcare providers. The revenues by type of service consist of the following:

	Three Months Ended March 31,
	2024		2023
Product sales	$	141,373	$	410,897
Laboratory services		26,776		21,673
Collaboration revenue		-		480,874
Total revenue	$	168,149	$	913,444

Revenues by geography are as follows:

	Three Months Ended March 31,
	2024		2023
Domestic	$	168,149	$	114,949
International		-		798,495
Total revenue	$	168,149	$	913,444

Deferred revenue

Changes in deferred revenue for the period were as follows:

Balance at December 31, 2022	$	142,061
Contracts with customers		74,109
Recognized in the current period		(144,196	)
Currency translation adjustment		(46,048	)
Balance at December 31, 2023		25,926
Recognized in the current period		(12,525	)
Refunded to customers in the current period		(4,830	)
Balance at March 31, 2024	$	8,571