Shareholders' Equity (Tables)
|
9 Months Ended |
Sep. 30, 2019 |
Equity [Abstract] |
|
Schedule of warrants |
A
summary of the Company’s warrants to purchase common stock activity is as follows:
|
|
Shares
Underlying Warrants |
|
|
Weighted
Average Exercise Price |
|
|
Weighted
Average Remaining Contractual Life (years) |
|
|
Aggregate
Intrinsic Value |
|
Outstanding
and exercisable at December 31, 2018 |
|
|
2,629,468 |
|
|
$ |
5.24 |
|
|
|
3.58 |
|
|
$ |
- |
|
Granted |
|
|
135,000 |
|
|
|
5.75 |
|
|
|
|
|
|
|
|
|
Expired |
|
|
(25,000 |
) |
|
|
7.39 |
|
|
|
|
|
|
|
|
|
Outstanding at September 30,
2019 |
|
|
2,739,468 |
|
|
$ |
5.25 |
|
|
|
2.83 |
|
|
$ |
- |
|
|
Schedule of stock option activity |
A
summary of the Company’s stock option activity is as follows:
|
|
Shares
Underlying Options |
|
|
Weighted
Average Exercise Price |
|
|
Weighted
Average Remaining Contractual Life (years) |
|
|
Aggregate
Intrinsic Value |
|
Outstanding at December 31,
2018 |
|
|
2,520,101 |
|
|
$ |
4.32 |
|
|
|
8.72 |
|
|
$ |
- |
|
Granted |
|
|
1,242,144 |
|
|
|
4.02 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
(416 |
) |
|
|
3.78 |
|
|
|
|
|
|
|
* |
|
Forfeited/cancelled |
|
|
(189,632 |
) |
|
|
4.38 |
|
|
|
|
|
|
|
|
|
Outstanding at September
30, 2019 |
|
|
3,572,197 |
|
|
$ |
4.22 |
|
|
|
8.50 |
|
|
$ |
- |
|
|
* |
represents amount
less than $1,000 |
|
Schedule of option pricing model using weighted average assumptions |
The
options granted during the nine months ended September 30, 2019 and 2018 were valued using the Black-Scholes option pricing model
using the following weighted average assumptions:
|
|
For
the nine months ended September 30, |
|
|
|
2019 |
|
|
2018 |
|
Expected
term, in years |
|
|
5.8 |
|
|
|
5.7 |
|
Expected volatility |
|
|
78.02 |
% |
|
|
68.12 |
% |
Risk-free interest
rate |
|
|
2.34 |
|
|
|
2.76 |
% |
Dividend yield |
|
|
- |
|
|
|
- |
|
Grant date fair
value |
|
$ |
2.64 |
|
|
$ |
3.07 |
|
|
Schedule of restricted stock unit awards activity |
A
summary of the Company’s restricted stock unit awards activity is as follows:
|
|
Number
of Shares |
|
|
Weighted
Average Grant Date Fair Value |
|
Nonvested at December 31,
2018 |
|
|
165,000 |
|
|
$ |
810 |
|
Granted |
|
|
76,112 |
|
|
|
329 |
|
Vested |
|
|
(40,453 |
) |
|
|
(193 |
) |
Nonvested at September
30, 2019 |
|
|
200,659 |
|
|
$ |
946 |
|
|
Schedule of stock-based compensation |
The
following table sets forth total non-cash stock-based compensation for the issuance of common stock, options to purchase common
stock, warrants to purchase common stock, and restricted stock unit award by operating statement classification for the three
and nine months ended September 30, 2019 and 2018:
|
|
Three
Months ended September 30, |
|
|
Nine
Months ended September 30, |
|
|
|
2019 |
|
|
2018 |
|
|
2019 |
|
|
2018 |
|
Research
and development |
|
$ |
182 |
|
|
$ |
32 |
|
|
$ |
467 |
|
|
$ |
135 |
|
Sales and marketing |
|
|
93 |
|
|
|
58 |
|
|
|
221 |
|
|
|
97 |
|
General
and administrative |
|
|
455 |
|
|
|
572 |
|
|
|
1,842 |
|
|
|
1,503 |
|
Total(1)(2)
|
|
$ |
730 |
|
|
$ |
662 |
|
|
$ |
2,530 |
|
|
$ |
1,735 |
|
(1) |
As of September
30, 2019 and December 31, 2018, the Company recorded a prepaid expense in the amount of $0 and $344, respectively, for the
value of vested warrants for future services to be rendered. |
(2) |
As of September
30, 2019 and December 31, 2018, the Company recorded a warrant to be issued liability in the amount of $5 and $22, respectively,
for the value of warrants to be issued for services provided. |
|