Stock Options (Tables)

9 Months Ended

Sep. 30, 2018

Stock Options

Summary of stock option activity

	Number of Options			Weighted Average Exercise Price ($)		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value ($)
Outstanding at December 31, 2016		385,000			1.42
Grants		310,000			4.20
Exercises		(150,000	)		1.12
Outstanding at December 31, 2017		545,000			3.09
Exercises		(187,500	)		2.86
Outstanding at September 30, 2018		357,500			3.21	7.82 years		42,825
Exercisable at September 30, 2018		347,500			3.27	7.89 years		37,325

Summary of consolidated statement of operations

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Research and development	$	-	$	10,725	$	27,966	$	75,515
General and administrative		371		116,753		142,551		672,835
Total	$	371	$	127,478	$	170,517	$	748,350

Summary of stock options outstanding and exercisable

		Stock Options Outstanding						Stock Options Exercisable
Range of Exercise Prices		Number of Shares Subject to Outstanding Options		Weighted Average Contractual Life (years)		Weighted Average Exercise Price		Number of Shares Subject To Options Exercise		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price
	0.80		10,000		5.87		0.80		10,000		5.87		0.80
	1.05		55,000		5.50		1.05		45,000		5.50		1.05
	1.25		7,500		6.71		1.25		7,500		6.71		1.25
	1.34		7,500		6.75		1.34		7,500		6.75		1.34
	1.65		10,000		7.09		1.65		10,000		7.09		1.65
	1.70		7,500		7.04		1.70		7,500		7.04		1.70
	1.91		20,000		7.46		1.91		20,000		7.46		1.91
	2.28		7,500		7.81		2.28		7,500		7.81		2.28
	4.20		232,500		8.62		4.20		232,500		8.62		4.20
Total			357,500		7.82	$	3.21		347,500		7.89	$	3.27