STOCKHOLDERS' EQUITY (Details - Warrant activity) - Warrant [Member] - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Warrants outstanding, beginning balance	1,844,750	1,869,750	350,000	0
Warrants outstanding, beginning balance	$ 0.92	$ 0.92	$ 0.57	$ 0
Warrants issued	477,778	(25,000)	1,519,750	350,000
Warrants issued	$ 0.30		$ 1.01	$ 0.57
Warrants issued	5 years		7 months 2 days	1 year 6 months
Warrants exercised				0
Warrants forfeited				0
Warrants outstanding	6 months	9 months 18 days	1 month 13 days
Warrants outstanding, ending balance	2,322,528	1,844,750	1,869,750	350,000
Warrants outstanding, ending balance	$ 0	$ 0.92	$ 0.92	$ 0.57