11. REVENUES (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of revenues

For each of the identified periods, revenues can be categorized into the following:

	For the Three Months Ended
	March 31,
	2021			2020
Product sales	$	1,265,427		$	1,255,852
Maintenance fees		11,243			3,679
Professional services		3,750			14,525
Shipping and handling		98,820			46,511
Discounts and allowances		(6,848	)		(3,515	)
Total revenues	$	1,372,392		$	1,317,052