17. REVENUES

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

REVENUES

17. REVENUES

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

	For the year ended December 31,
	2020			2019
Product sales	$	6,132,447		$	5,091,571
Maintenance fees		30,957			13,055
Professional services		57,506			6,919
Discounts and allowances		(10,560	)		–
Total revenues	$	6,210,350		$	5,111,545

International revenues were $84,081, or 2% of revenues, and $0 during the year ended December 31, 2020 and 2019, respectively.

During the year ended December 31, 2020, 75% of revenues were derived from customers located in California.

At December 31, 2020 and 2019, deferred revenue was $107,489 and $93,609, respectively. These amounts represented customer deposits in the amount of $0 and $35,520 for December 31, 2020 and 2019, respectively and prepaid multi-year maintenance plans for previously sold products which account for $107,489 and $58,089 for December 31, 2020 and 2019, respectively and pertain to services to be provided through 2026. $35,520 of 2019 customer deposits were received in 2018 and recorded as revenue in 2020. $13,056 of revenue reported in fiscal 2019 pertained to revenue deferred from prior years. $19,459 of revenue reported in 2020 pertained to revenue deferred from prior years.