Common Stock (Tables)

9 Months Ended

Sep. 30, 2019

The following table summarizes all stock warrant activity for the nine months ended September 30, 2019 and 2018:

	Number of Warrants			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term
Balance outstanding, December 31, 2018		5,761,015			1.56		2.65
Granted		2,156,114			0.49		2.37
Exercised		(739,671	)		0.28		3.67
Cancelled or expired		(486,124	)		0.74		(0.09	)
Balance outstanding, September 30, 2019		6,691,334		$	0.78		2.56
Exercisable, September 30, 2019		6,691,334		$	0.78		2.56

	Number of Warrants		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term
Balance outstanding, December 31, 2017		2,683,515		1.56		2.65
Granted		100,000		0.67		1.87
Exercised		-		-		-
Cancelled or expired		-		-		-
Balance outstanding, September 30, 2018		2,783,515	$	1.48		1.90
Exercisable, September 30, 2018		2,783,515	$	1.48		1.90

The following table summarizes all stock option activity for the nine months ended September 30, 2019 and 2018:

	Number of Option		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term
Balance outstanding, December 31, 2018		2,050,000		2.21		5.26
Granted		-		-		-
Exercised		-		-		-
Cancelled or expired		-		-		-
Balance outstanding, September 30, 2019		2,050,000	$	2.21		4.51
Exercisable, September 30, 2019		1,850,000	$	2.24		4.52

	Number of Option		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term
Balance outstanding, December 31, 2017		2,050,000		2.21		6.26
Granted		-		-		-
Exercised		-		-		-
Cancelled or expired		-		-		-
Balance outstanding, September 30, 2018		2,050,000	$	2.21		5.51
Exercisable, September 30, 2018		1,350,000	$	2.33		5.71