6. COMMON STOCK (Details Narrative) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Equity [Abstract]
Common stock, shares authorized	150,000,000		150,000,000
Common stock, par value	$ 0.001		$ .001
Common stock, shares issued	50,750,882		50,251,607
Preferred stock, shares authorized	25,000,000		25,000,000
Preferred stock, par value	$ 0.001		$ 0.001
Preferred stock, shares outstanding	0		0
Stock based compensation expense	$ 636,214	$ 724,183
Options granted		500,000
Fair value of options per share		$ 2.86
Option vesting period		4 years
Risk-free interest rate		0.38%
Expected volatility		100.00%
Dividend yield		0.00%
Weighted average expected life		5 years
Stock issued for vested stock awards and the exercise of stock options, shares	499,275	438,558
Proceeds from exercise of vested stock grants and exercise of options	$ 110,466	$ 24,000