Temporary Equity and Stockholders' Deficiency (Tables)
|
6 Months Ended |
12 Months Ended |
Jun. 30, 2019 |
Dec. 31, 2018 |
Equity [Abstract] |
|
|
Schedule of Fair Value Assumption of Warrants |
|
Warrants granted during the year ended December 31, 2017 had a
weighted average grant date value of $0.52, valued using the Black-Scholes pricing model, with the following assumptions:
Risk
free interest rate |
|
|
1.92 |
% |
Expected
term (years) |
|
|
5.00 |
|
Expected
volatility |
|
|
44.0 |
% |
Expected
dividends |
|
|
0.0 |
% |
Forfeiture
rate |
|
|
5.0 |
% |
|
Summary of Warrants Activity |
A
summary of warrants activity during the six months ended June 30, 2019 is presented below:
|
|
Number of Warrants |
|
|
Weighted Average Exercise
Price |
|
|
Weighted Average Remaining
Life in Years |
|
|
Intrinsic Value |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2018 |
|
|
1,229,630 |
|
|
|
2.15 |
|
|
|
|
|
|
|
|
|
Issued |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercised |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cancelled |
|
|
(237,464 |
) |
|
|
2.30 |
|
|
|
|
|
|
|
|
|
Outstanding, June 30, 2019 |
|
|
992,166 |
|
|
$ |
2.11 |
|
|
|
1.5 |
|
|
$ |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable, June 30, 2019 |
|
|
992,166 |
|
|
$ |
2.11 |
|
|
|
1.5 |
|
|
$ |
- |
|
|
A
summary of warrants activity during the years ended December 31, 2018 and 2017 is presented below:
|
|
Number
of Warrants |
|
|
Weighted
Average Exercise Price |
|
|
Weighted
Average Remaining Life in Years |
|
|
Intrinsic
Value |
|
Outstanding,
December 31, 2016 |
|
|
1,901,480 |
|
|
$ |
2.20 |
|
|
|
|
|
|
|
|
|
Issued |
|
|
2,250 |
|
|
|
2.00 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
|
Cancelled |
|
|
(438,434 |
) |
|
|
2.30 |
|
|
|
|
|
|
|
|
|
Outstanding,
December 31, 2017 |
|
|
1,465,296 |
|
|
|
2.17 |
|
|
|
|
|
|
|
|
|
Issued |
|
|
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
Cancelled |
|
|
(235,666 |
) |
|
|
2.30 |
|
|
|
|
|
|
|
|
|
Outstanding,
December 31, 2018 |
|
|
1,229,630 |
|
|
$ |
2.15 |
|
|
|
1.9 |
|
|
$ |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable,
December 31, 2018 |
|
|
1,229,630 |
|
|
$ |
2.15 |
|
|
|
1.9 |
|
|
$ |
- |
|
|
Schedule of Share-based Compensation, Equity Instruments Other Than Options, by Exercise Price Range |
A
summary of outstanding and exercisable warrants as of June 30, 2019 is presented below:
Warrants Outstanding |
|
|
Warrants Exercisable |
|
Exercise Price |
|
|
Exercisable Into |
|
Outstanding Number of Warrants |
|
|
Weighted Average Remaining
Life in Years |
|
|
Exercisable Number of Warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
2.00 |
|
|
Common Stock |
|
|
741,879 |
|
|
|
1.5 |
|
|
|
741,879 |
|
$ |
2.30 |
|
|
Common Stock |
|
|
61,980 |
|
|
|
0.5 |
|
|
|
61,980 |
|
$ |
2.50 |
|
|
Common Stock |
|
|
188,307 |
|
|
|
1.7 |
|
|
|
188,307 |
|
|
|
|
|
Total |
|
|
992,166 |
|
|
|
|
|
|
|
992,166 |
|
|
A
summary of outstanding and exercisable warrants as of December 31, 2018 is presented below:
Warrants
Outstanding |
|
|
Warrants
Exercisable |
|
Exercise
Price |
|
|
Exercisable
Into |
|
Outstanding
Number of Warrants |
|
|
Weighted
Average Remaining Life in Years |
|
|
Exercisable
Number of Warrants |
|
$ |
2.00 |
|
|
Common
Stock |
|
|
741,879 |
|
|
|
2.0 |
|
|
|
741,879 |
|
$ |
2.30 |
|
|
Common
Stock |
|
|
299,444 |
|
|
|
0.5 |
|
|
|
299,444 |
|
$ |
2.50 |
|
|
Common
Stock |
|
|
188,307 |
|
|
|
2.2 |
|
|
|
188,307 |
|
|
|
|
|
Total |
|
|
1,229,630 |
|
|
|
|
|
|
|
1,229,630 |
|
|
Schedule of Fair Value Assumptions of Stock Option |
The
Company has computed the fair value of options granted using the Black-Scholes option pricing model. Assumptions used in applying
the Black-Scholes option pricing model during the six months ended June 30, 2019 are as follows:
|
|
For the Three Months Ended |
|
|
|
June 30, |
|
|
|
2019 |
|
|
2018 |
|
|
|
|
|
|
|
|
Risk free interest rate |
|
|
2.43 |
% |
|
|
2.56 |
% |
Expected term (years) |
|
|
3.6-5.0 |
|
|
|
5.0 |
|
Expected volatility |
|
|
52 |
% |
|
|
43.50 |
% |
Expected dividends |
|
|
0.00 |
% |
|
|
0.00 |
% |
|
Assumptions used in applying the Black-Scholes option pricing model during years ended December 31, 2018 and 2017, respectively,
are as follows:
|
|
For
the Years Ended |
|
|
|
December
31, |
|
|
|
2018 |
|
|
2017 |
|
Risk
free interest rate |
|
|
2.96 |
% |
|
|
2.06 |
% |
Expected
term (years) |
|
|
3.6
- 5.0 |
|
|
|
3.5-4.5 |
|
Expected
volatility |
|
|
43.53 |
% |
|
|
42.30 |
% |
Expected
dividends |
|
|
0.00 |
% |
|
|
0.00 |
% |
|
Schedule of Share-based Compensation, Stock Options, Activity |
A
summary of options activity during the six months ended June 30, 2019 is presented below:
|
|
|
|
|
Weighted |
|
|
Weighted |
|
|
|
|
|
|
|
|
|
Average |
|
|
Average |
|
|
|
|
|
|
Number
of |
|
|
Exercise |
|
|
Remaining |
|
|
Intrinsic |
|
|
|
Options |
|
|
Price |
|
|
Term
(Yrs) |
|
|
Value |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding,
December 31, 2018 |
|
|
9,499,265 |
|
|
|
1.65 |
|
|
|
|
|
|
|
|
|
Granted |
|
|
1,350,000 |
|
|
|
0.39 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
|
Expired |
|
|
(75,000 |
) |
|
|
1.10 |
|
|
|
|
|
|
|
|
|
Forfeited |
|
|
(3,364,890 |
) |
|
|
2.24 |
|
|
|
|
|
|
|
|
|
Outstanding,
June 30, 2019 |
|
|
7,409,375 |
|
|
$ |
1.16 |
|
|
|
3.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable,
June 30, 2019 |
|
|
2,849,136 |
|
|
$ |
1.93 |
|
|
|
1.5 |
|
|
|
|
|
|
A
summary of options activity during the years ended December 31, 2018 and 2017 is presented below:
|
|
Number
of Options |
|
|
Weighted
Average Exercise Price |
|
|
Weighted
Average Remaining Life in Years |
|
|
Intrinsic
Value |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding,
December 31, 2016 |
|
|
8,024,265 |
|
|
|
2.39 |
|
|
|
|
|
|
|
|
|
Granted |
|
|
1,395,000 |
|
|
|
1.10 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
|
Expired |
|
|
(75,000 |
) |
|
|
3.85 |
|
|
|
|
|
|
|
|
|
Forfeited |
|
|
(110,000 |
) |
|
|
2.39 |
|
|
|
|
|
|
|
|
|
Outstanding,
December 31, 2017 |
|
|
9,234,265 |
|
|
|
2.18 |
|
|
|
|
|
|
|
|
|
Granted |
|
|
2,830,000 |
|
|
|
0.65 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
|
Expired |
|
|
(2,505,000 |
) |
|
|
2.49 |
|
|
|
|
|
|
|
|
|
Forfeited |
|
|
(60,000 |
) |
|
|
1.62 |
|
|
|
|
|
|
|
|
|
Outstanding,
December 31, 2018 |
|
|
9,499,265 |
|
|
$ |
1.65 |
|
|
|
2.5 |
|
|
$ |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable,
December 31, 2018 |
|
|
5,232,035 |
|
|
$ |
2.25 |
|
|
|
1.3 |
|
|
$ |
- |
|
|
Schedule of Share-based Compensation, Shares Outstanding Under Stock Option Plans, by Exercise Price Range |
The
following table presents information related to stock options at June 30, 2019:
Options
Outstanding |
|
|
Options
Exercisable |
|
Exercise
Price |
|
|
Outstanding
Number of Options |
|
|
Weighted
Average Remaining Life
in Years |
|
|
Exercisable
Number of Options |
|
$ |
0.39 |
|
|
|
1,350,000 |
|
|
|
- |
|
|
|
- |
|
$ |
0.54 |
|
|
|
1,500,000 |
|
|
|
- |
|
|
|
- |
|
$ |
0.77 |
|
|
|
1,320,000 |
|
|
|
3.63 |
|
|
|
412,501 |
|
$ |
1.10 |
|
|
|
1,070,000 |
|
|
|
3.38 |
|
|
|
401,260 |
|
$ |
2.20 |
|
|
|
1,242,000 |
|
|
|
1.08 |
|
|
|
1,117,000 |
|
$ |
2.48 |
|
|
|
917,375 |
|
|
|
0.16 |
|
|
|
908,375 |
|
$ |
3.30 |
|
|
|
10,000 |
|
|
|
0.94 |
|
|
|
10,000 |
|
|
|
|
|
|
7,409,375 |
|
|
|
1.48 |
|
|
|
2,849,136 |
|
|
The
following table presents information related to stock options as of December 31, 2018:
Options
Outstanding |
|
|
Options
Exercisable |
|
Exercise
Price |
|
|
Outstanding
Number of
Options |
|
|
Weighted
Average
Remaining Life
in Years |
|
|
Exercisable
Number of
Options |
|
|
|
|
|
|
|
|
|
|
|
|
$ |
0.54 |
|
|
|
1,500,000 |
|
|
|
- |
|
|
|
0 |
|
$ |
0.77 |
|
|
|
1,320,000 |
|
|
|
- |
|
|
|
0 |
|
$ |
1.10 |
|
|
|
1,370,000 |
|
|
|
3.9 |
|
|
|
342,500 |
|
$ |
2.20 |
|
|
|
3,071,890 |
|
|
|
1.5 |
|
|
|
2,679,160 |
|
$ |
2.48 |
|
|
|
2,237,375 |
|
|
|
0.7 |
|
|
|
2,210,375 |
|
|
|
|
|
|
9,499,265 |
|
|
|
1.3 |
|
|
|
5,232,035 |
|
|