Warrants (Tables)

9 Months Ended

Sep. 30, 2018

Warrants

Common stock warrants

Outstanding									Exercisable
Exercise Price		Number Outstanding			Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$	0.87		1,303,300			0.61	$	0.87		1,303,300	$	0.87
	0.75		627,924			0.07		0.65		627,924		0.65
	0.70		760,000			4.77		0.50		760,000		0.50
	0.65		270,000			0.22		0.65		270,000		0.50
	0.45		150,000			2.17		0.45		150,000		0.45
	0.35		2,712,098	*		1.24		0.35		2,712,098		0.35
$	0.35-$0.87		5,823,322			1.41				5,823,322