Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2021

Stock-Based Compensation

Summary of stock option activity

4. Stock-Based Compensation – (continued)

A summary of stock option activity for the six months ended June 30, 2021 and the year ended December 31, 2020 is as follows:

		Weighted		Weighted Average	Aggregate
		Average Exercise		Remaining	Intrinsic
	Options	Price		Contractual Life	Value
Balance - December 31, 2019	2,502,012	$	3.62	6.51 years	$	153,353
Granted	1,540,000		0.42
Exercised	-		-
Expired	(14,944)		17.57
Forfeited	(29,650)		0.55
Balance - December 31, 2020	3,997,418		2.35	6.09 years		-
Granted	-		-
Exercised	-		-
Expired	-		-
Forfeited	-		-
Balance - June 30, 2021 - outstanding	3,997,418	$	2.35	5.28 years	$	598,074
Balance - June 30, 2021 - exercisable	1,970,911	$	4.33	4.55 years	$	239,357
Grant date fair value of options granted – three months ended June 30, 2021		$	-
Weighted average grant date fair value – three months ended June 30, 2021		$	-
Grant date fair value of options granted – year ended December 31, 2020		$	412,000
Weighted average grant date fair value – year ended December 31, 2020		$	0.27