Stock Options (Details) - USD ($)	6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Number of Options
Options outstanding - beginning balance	385,000	257,500	257,500
Options granted	310,000	180,000	187,500
Options forfeited			(40,000)
Options exercised	(150,000)		(20,000)
Options oustanding - ending balance	545,000		385,000
Options exercisable	375,000
Options available for grant	19,338,572
Weighted average exercise price
Options outstanding - beginning balance	$ 1.42	$ 1.07	$ 1.07
Options granted	4.20		1.92
Options forfeited			1.65
Options exercised	1.12		0.80
Options outstanding - ending balance	3.09		$ 1.42
Options exercisable	$ 2.75
Weighted average remaining contracted term
Options outstanding - ending balance	9 years 1 month 13 days
Options exercisable	8 years 11 months 8 days
Aggregate intrinsic value
Options outstanding - ending balance	$ 501,425
Options exercisable	$ 447,425