Stock Options (Tables)

3 Months Ended

Mar. 31, 2018

Stock Options Tables

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 March 31, 2018		357,500			3.21	8.33 years		716,350
Exercisable at March 31, 2018		202,500			2.76	8.03 years		496,800

Summary of consolidated statement of operations

	Three Months Ended March 31,
	2018		2017
Research and development	$	20,875	$	-
General and administrative		101,622		2,994
Total	$	122,497	$	2,994

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	6.38	0.80	10,000	6.38	0.80
1.05	55,000	6.01	1.05	35,000	6.01	1.05
1.25	7,500	7.21	1.25	7,500	7.21	1.25
1.34	7,500	7.25	1.34	7,500	7.25	1.34
1.65	10,000	7.59	1.65	10,000	7.59	1.65
1.70	7,500	7.55	1.70	7,500	7.55	1.70
1.91	20,000	7.96	1.91	20,000	7.96	1.91
2.28	7,500	8.31	2.28	7,500	8.31	2.28
4.20	232,500	9.12	4.20	97,500	9.12	4.20
Total	357,500	8.33	$3.21	202,500	8.03	$2.76