Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Stockholders' Equity

Schedule of Black-Scholes option pricing model to stock options granted

In applying the Black-Scholes option pricing model to stock options granted, the Company used the following approximate assumptions:

	For the Year Ended
	December 31,
	2019		2018
Expected term (years)	5.50 - 10.00		5.50 - 10.00
Risk free interest rate	1.42 - 2.53	%	2.69 - 3.24	%
Expected volatility	134 - 139	%	140  -141	%
Expected dividends	0.00	%	0.00	%

Schedule of the stock option activity

A summary of the option activity during the year ended December 31, 2019 is presented below:

				Weighted
		Weighted		Average
		Average		Remaining	Aggregate
	Number of	Exercise		Life	Intrinsic
	Options	Price		In Years	Value
Outstanding January 1, 2019	2,220,868	$	3.01
Granted	692,572		3.10
Exercised	(668,502)		1.42
Forfeited	(7,500)		4.73
Outstanding December 31, 2019	2,237,438	$	3.51	8.1	$	3,559,915
Exercisable December 31, 2019	1,183,637	$	3.33	7.3	$	2,222,680

Schedule of information related to stock options

The following table presents information related to stock options as of December 31, 2019:

Options Outstanding		Options Exercisable
		Weighted
	Outstanding	Average	Exercisable
Exercise	Number of	Remaining Life	Number of
Price	Options	In Years	Options
$ 1.24	260,000	5.2	260,000
$ 1.95	700,281	7.5	545,170
$ 2.74	6,000	—	—
$ 3.11	681,572	—	—
$ 4.00	2,000	8.9	723
$ 5.10	6,000	8.7	2,667
$ 5.19	16,500	8.7	6,875
$ 5.25	26,668	6.8	21,249
$ 6.20	311,499	8.6	224,438
$ 6.30	60,000	8.5	28,333
$ 8.72	166,918	8.3	94,182
	2,237,438	7.3	1,183,637