Disaggregation of Revenue (Tables)

3 Months Ended

Mar. 31, 2021

Disaggregation of Revenue

Schedule of disaggregation of revenue by major products/service lines, and timing of revenue recognition

	For the Three Months Ended
	March 31,
	2021		2020
Major products/service lines
Licensing fees - royalty revenue	$	59,000	$	143,642
Total Revenue	$	59,000	$	143,642
Timing of revenue recognition
Products transferred at a point in time	$		$	—
Products and services transferred over time		59,000		143,642
	$	59,000	$	143,642

Schedule of receivables and liabilities from contracts with customers

	March 31,		December 31,
	2021		2020
Liabilities
Contract liabilities	$	250,000	$	235,000

	March 31,		December 31,
Contract liabilities	2021		2020
Opening	$	235,000	$	180,200
Additions		15,000		79,000
Transfer to revenue		—		(24,200)
Ending	$	250,000	$	235,000