10. SHARE-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Stock option activity

				Weighted Average
	Options on					Remaining		Aggregate
	Common			Exercise		Contractual		Intrinsic
	Shares			Price		Term		Value
Outstanding January 1, 2018		-			-
Granted		2,067,500		$	1.68
Exercised		-			-
Forfeited, cancelled, expired		-			-
Outstanding December 31, 2018		2,067,500		$	1.68		4.44
Granted		1,000,000			5.41		5.00
Exercised		(38,750	)		1.50		-
Forfeited, cancelled, expired		(100,000	)		1.50		-
Outstanding December 31, 2019		2,928,750		$	2.96		3.71	$10,031,388
Vested and exercisable at December 31, 2019		1,573,853		$	1.64		3.43	$7,479,791

Assumptions used to compute the fair value of options granted

	Year Ended December 31,
	2019			2018
Expected stock price volatility		49	%	47% to 49%
Risk-free interest rate		2.41	%	2.67% to 2.99%
Forfeiture rate		0	%		0	%
Expected dividend yield		0	%		0	%
Expected life of options - years		3.50			2.75-5.00
Weighted-average fair value of options granted	$	2.06		$	0.72

Stock options outstanding

				Average		Weighted				Weighted
				Remaining		Average				Average
Range of		Number		Contractual		Exercise		Number		Exercise
Exercise Prices		Outstanding		Life		Price		Exercisable		Price
$	1.50		1,708,750		3.4	$	1.50		1,448,853	$	1.50
$	3.00 - $3.61		220,000		4.07	$	3.23		125,000		3.83
$	5.41		1,000,000		4.22	$	5.41		-		-

Service-based RSU activity

			Weighted Average
	Service-Based		Grant Date		Vesting
	RSU's		Fair Value		Period
Unvested at January 1, 2019		-
Granted		308,087	$	6.77	3 Years
Vested		-
Forfeited and cancelled		-
Unvested at December 31, 2019		308,087

Stock-based compensation

	Year Ended December 31,
	2019		2018
Selling, general and administrative	$	1,410,095	$	417,151
Research and development		126,001		95,837
Total stock-based expense	$	1,536,096	$	512,988