Stockholders' Equity - Summary of option activity (Details) - USD ($)						1 Months Ended	12 Months Ended
	May 14, 2019	Feb. 06, 2019	Feb. 06, 2019	Jan. 14, 2019	Jan. 02, 2019	Apr. 16, 2018	Dec. 31, 2019	Dec. 31, 2018
Number of Options Granted | Shares						175,668
Number of Options Exercised | Shares	(34,815)	(320,001)
Weighted Average Exercise Price, Granted | $ / Shares				$ 2.74		$ 8.72	$ 3.10	$ 6.39
Weighted Average Exercise Price, Exercised	$ 1.95		$ 1.24
Stock Options [Member]
Number of Options Outstanding | Shares							2,220,868
Number of Options Granted | Shares							692,572
Number of Options Exercised | Shares					(180,000)		(668,502)
Number of Options Forfeited | Shares							(7,500)
Number of Options Outstanding | Shares							2,237,438	2,220,868
Number of Options Exercisable | Shares							1,183,637
Weighted Average Exercise Price, Outstanding | $ / Shares							$ 3.01
Weighted Average Exercise Price, Granted | $ / Shares							3.10
Weighted Average Exercise Price, Exercised					$ 1.24		1.42
Weighted Average Exercise Price, Forfeited | $ / Shares							4.73
Weighted Average Exercise Price, Outstanding | $ / Shares							3.51	$ 3.01
Weighted Average Exercise Price, Exercisable | $ / Shares							$ 3.33
Weighted Average Remaining Life In Years, Outstanding							8 years 1 month 6 days
Weighted Average Remaining Life In Years, Exercisable							7 years 3 months 18 days
Aggregate Intrinsic Value, Outstanding | $							$ 3,559,915
Aggregate Intrinsic Value, Exercisable							$ 2,222,680