12. SHARE-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Stock option activity

				Weighted Average
	Options on					Remaining		Aggregate
	Common			Exercise		Contractual		Intrinsic
	Shares			Price		Term			Value
Outstanding December 31, 2018		2,067,500		$	1.68		4.44
Granted		1,000,000		$	5.41		-
Exercised		(38,750	)	$	1.50		-
Forfeited, cancelled, expired		(100,000	)	$	1.50		-
Outstanding December 31, 2019		2,928,750		$	2.96		3.71
Granted		1,423,836		$	6.66		-
Exercised		(371,000	)	$	1.90		-
Forfeited, cancelled, expired		(50,000	)	$	3.00		-
Outstanding December 31, 2020		3,931,586		$	4.41		4.89		$	5,176,337
Vested and exercisable at December 31, 2020		2,091,084		$	2.68		2.60		$	4,965,155

Assumptions used to compute the fair value of options granted

	For the Year Ended
	December 31,
	2020			2019
Expected stock price volatility		47	%		49	%
Risk-free interest rate		0.38	%		2.41	%
Forfeiture rate		0	%		0	%
Expected dividend yield		0	%		0	%
Expected life of options - years		5.64			3.50
Weighted-average fair value of options granted	$	2.90		$	2.06

Stock options outstanding

				Weighted
				Average		Weighted				Weighted
				Remaining		Average				Average
Range of		Number		Contractual		Exercise		Number		Exercise
Exercise Prices		Outstanding		Life (Years)		Price		Exercisable		Price
$	1.50		1,422,750		2.39	$	1.50		1,422,750	$	1.50
$	3.15 - $3.61		85,000		2.86	$	3.75		85,000	$	3.75
$	4.26 - $6.58		2,073,836		5.89	$	5.29		583,334	$	5.41
$	11.22		350,000		9.58	$	11.22		-		-

Service-based RSU activity

				Weighted Average		Weighted Average
	Service-Based			Grant Date		Vesting
	RSU's			Fair Value			Period
Unvested at December 31, 2018		-			-
Granted - service based		308,087		$	6.77	3.00 Years
Unvested at December 31, 2019		308,087		$	6.77
Granted - service based		310,874		$	6.02	3.02 Years
Granted - performance based		35,211		$	4.26
Vested		(144,687	)	$	5.17
Forfeited and cancelled		(81,479	)	$	6.47
Unvested at December 31, 2020		428,006		$	6.13	2.27 Years

Stock-based compensation

	For the Year Ended
	December 31,
	2020		2019
Selling, general and administrative	$	1,956,818	$	1,410,095
Research and development		279,925		126,001
Total share-based expense	$	2,236,743	$	1,536,096