Stockholders' Equity (Tables)
|
12 Months Ended |
Dec. 31, 2017 |
Stockholders' equity (deficit): |
|
Schedule of stock options issued by the Company |
Activity
with respect to stock options issued by the Company is summarized as follows:
|
|
Options
Outstanding |
|
|
Options
Exercisable |
|
|
Range
of
Exercise
Prices
|
|
|
Weighted-average
Exercise price per share |
|
|
Intrinsic
Value
(1)
|
|
Outstanding
at January 1, 2016 |
|
|
298,283 |
|
|
|
|
|
|
|
$29.60 |
|
|
|
|
|
|
|
$385.60 |
|
|
|
$48.73 |
|
|
|
- |
|
Exercisable at January
1, 2016 |
|
|
|
|
|
|
179,216 |
|
|
|
$29.60 |
|
|
|
|
|
|
|
$385.60 |
|
|
|
$56.40 |
|
|
|
- |
|
Activity during the
year ended December 31, 2016 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Granted |
|
|
53,750 |
|
|
|
|
|
|
|
$5.00 |
|
|
|
|
|
|
|
$12.40 |
|
|
|
$6.40 |
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cancelled
or forfeited |
|
|
(14,592 |
) |
|
|
|
|
|
|
$5.00 |
|
|
|
|
|
|
|
$385.60 |
|
|
|
$12.67 |
|
|
|
|
|
Outstanding at December
31, 2016 |
|
|
337,441 |
|
|
|
|
|
|
|
$5.00 |
|
|
|
|
|
|
|
$385.60 |
|
|
|
$42.07 |
|
|
|
- |
|
Exercisable at December
31, 2016 |
|
|
|
|
|
|
245,989 |
|
|
|
$5.00 |
|
|
|
|
|
|
|
$385.60 |
|
|
|
$38.71 |
|
|
|
- |
|
Activity during the
year ended December 31, 2017 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Granted |
|
|
940,875 |
|
|
|
|
|
|
|
$1.95 |
|
|
|
|
|
|
|
$6.40 |
|
|
|
$2.58 |
|
|
|
$78,486 |
|
Exercised |
|
|
- |
|
|
|
|
|
|
|
- |
|
|
|
|
|
|
|
-- |
|
|
|
- |
|
|
|
- |
|
Cancelled
or forfeited |
|
|
(40,117 |
) |
|
|
|
|
|
|
$5.00 |
|
|
|
|
|
|
|
$385.60 |
|
|
|
$35.74 |
|
|
|
- |
|
Outstanding at December
31, 2017 |
|
|
1,238,199 |
|
|
|
|
|
|
|
$1.95 |
|
|
|
|
|
|
|
$385.60 |
|
|
|
$12.47 |
|
|
|
$78,486 |
|
Exercisable at December
31, 2017 |
|
|
|
|
|
|
567,210 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
- |
|
|
(1) |
Intrinsic
value is calculated as the estimated fair value of the Company’s stock at the end of the related period less the option
exercise price of in-the-money options. |
|
Schedule of stock options (contractual life expressed in years) |
The
following table summarizes information about stock options at December 31, 2017 (contractual life expressed in years):
|
|
Options
Outstanding |
|
|
Options
Exercisable |
|
Range
of Exercise Prices |
|
Number
Outstanding |
|
|
Weighted
- Average Remaining Contractual Life |
|
|
Weighted
- Average Exercise
Price
|
|
|
Number
Exercisable |
|
|
Weighted
- Average Remaining Contractual Life |
|
|
Weighted
- Average Exercise
Price
|
|
$1.95 |
- |
$45.20 |
|
|
1,161,323 |
|
|
|
9.18 |
|
|
|
$8.49 |
|
|
|
490,428 |
|
|
|
8.40 |
|
|
|
$16.08 |
|
$46.40 |
- |
$83.60 |
|
|
75,995 |
|
|
|
3.89 |
|
|
|
$69.09 |
|
|
|
75,901 |
|
|
|
3.88 |
|
|
|
$69.11 |
|
$128.00 |
- |
$385.60 |
|
|
881 |
|
|
|
0.88 |
|
|
|
$363.21 |
|
|
|
881 |
|
|
|
0.88 |
|
|
|
$363.21 |
|
|
|
|
1,238,199 |
|
|
|
9.18 |
|
|
|
$12.47 |
|
|
|
567,210 |
|
|
|
7.78 |
|
|
|
$16.08 |
|
|
Schedule of company's nonvested stock options during the years |
A
summary of the status of the Company’s nonvested stock options during the years ended December 31, 2017 and 2016 is presented
below:
Nonvested
Stock Options |
|
Shares
|
|
|
Weighted
- Average Grant Date Fair Value |
|
Nonvested,
January 1, 2016 |
|
|
119,067 |
|
|
$ |
18.77 |
|
Activity
during the year ended December 31, 2016 |
|
|
|
|
|
|
|
|
Granted |
|
|
53,750 |
|
|
$ |
3.01 |
|
Forfeited |
|
|
(6,918 |
) |
|
$ |
28.66 |
|
Vested |
|
|
(74,447 |
) |
|
$ |
18.16 |
|
Nonvested,
December 31, 2016 |
|
|
91,452 |
|
|
$ |
10.53 |
|
Activity
during the year ended December 31, 2017 |
|
|
|
|
|
|
|
|
Granted |
|
|
940,875 |
|
|
$ |
0.85 |
|
Forfeited |
|
|
(17,619 |
) |
|
$ |
16.50 |
|
Vested |
|
|
(343,719 |
) |
|
$ |
3.09 |
|
Nonvested,
December 31, 2017 |
|
|
670,989 |
|
|
$ |
1.45 |
|
|
Schedule of share-based compensation expense |
The
Company records share-based compensation expense on a straight-line basis over the related vesting period. For the years ended
December 31, 2017 and 2016, share-based compensation expense related to options was:
|
|
|
|
|
|
Year
Ended December 31, |
|
2017 |
|
2016 |
|
$ |
960,882 |
|
$ |
959,585 |
|
|
Schedule of assumptions used in calculating the fair value under the Black-Scholes option-pricing model |
The
assumptions used in calculating the fair value under the Black-Scholes option-pricing model are as follows:
|
|
Years
Ended December 31, |
|
|
|
2017 |
|
|
2016 |
|
Dividend
yield |
|
|
0% |
|
|
|
0% |
|
Expected Volatility |
|
|
51.77%
to 52.98% |
|
|
|
47.47%
to 50.69% |
|
Risk free Interest
rates |
|
|
2.04%
to 2.25% |
|
|
|
1.23%
to 1.39% |
|
Expected lives (in
years) |
|
|
6.0 |
|
|
|
6.0
|
|
|
Schedule of common stock warrant activity |
Common
stock warrant activity for the years ended December 31, 2017 and 2016 is as follows:
|
|
Shares
|
|
|
Weighted
- Average Exercise Price |
|
Outstanding
at January 1, 2016 |
|
|
845,257
|
|
|
|
$25.67 |
(1) |
Activity
during the year ended December 31, 2016 |
|
|
|
|
|
|
|
|
Issued |
|
|
1,208,845 |
|
|
|
$6.23 |
|
Exercised |
|
|
(15,625 |
) |
|
|
$5.00 |
|
Terminated |
|
|
(47,184 |
) |
|
|
$14.77 |
|
Outstanding at December
31, 2016 |
|
|
1,991,293 |
|
|
|
$13.00 |
(2) |
Activity during the
year ended December 31, 2017 |
|
|
|
|
|
|
|
|
Issued |
|
|
7,134,200 |
|
|
|
$2.20 |
|
Exercised |
|
|
(8,207 |
) |
|
|
$2.00 |
|
Terminated |
|
|
(168,208 |
) |
|
|
$17.64 |
|
Outstanding at December
31, 2017 |
|
|
8,949,078 |
|
|
|
$4.12 |
(3) |
|
(1) |
The weighted-average
exercise price reflects exercise price adjustments triggered by the 2015 PIPE. |
|
(2)
|
The
weighted-average exercise price reflects exercise price adjustments triggered by the 2016 Purchase Agreement and the 2016
PIPE.
|
|
(3) |
The weighted-average
exercise price reflects exercise price adjustments triggered by the 2017 PIPE. |
|
Schedule of information regarding outstanding warrants |
Information
regarding outstanding warrants at December 31, 2017 is as follows (contractual life expressed in years):
Exercise
Price
|
|
|
Number
Outstanding |
|
|
Weighted
- Average Remaining Contractual Life |
|
|
Intrinsic
Value
(1)
|
$ |
1.83 |
|
|
|
1,540 |
|
|
|
3.0 |
|
|
$ |
1,417 |
|
2.00 |
|
|
|
91,670 |
|
|
|
0.1 |
|
|
|
68,753 |
|
2.20 |
|
|
|
7,133,700 |
|
|
|
4.4 |
|
|
|
3,923,535 |
|
5.50 |
|
|
|
1,123,705 |
|
|
|
3.8 |
|
|
|
- |
|
16.23 |
|
|
|
242,021 |
|
|
|
3.0 |
|
|
|
- |
|
21.10 |
|
|
|
152,084 |
|
|
|
3.0 |
|
|
|
- |
|
34.32 |
|
|
|
185,779 |
|
|
|
2.0 |
|
|
|
- |
|
40.00 |
|
|
|
875 |
|
|
|
2.1 |
|
|
|
- |
|
70.00 |
|
|
|
17,704 |
|
|
|
1.3 |
|
|
|
- |
|
|
|
|
|
8,949,078 |
|
|
|
4.2 |
|
|
$ |
3,993,704 |
|
(1) |
Intrinsic
value is calculated as the estimated fair value of the Company's stock at December 31, 2017 less the warrant exercise
price of in-the-money warrants. |
|