Stockholders' Equity (Tables)
|
12 Months Ended |
Dec. 31, 2015 |
Equity [Abstract] |
|
Schedule of assumptions used in calculating the fair value of the warrants |
Assumptions
used in calculating the fair value of the warrants are as follows:
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December
31, |
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2015 |
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2014 |
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Dividend yield |
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0% |
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0% |
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Expected volatility |
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47.17% - 48.83% |
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39.3% - 100.0% |
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Risk free interest rates |
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0.855%-1.0775% |
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0.67% - 1.12% |
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Expected remaining term (in years) |
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1.51 2.07 |
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2.51 - 3.07 |
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Schedule of fair value of liabilities measured on recurring basis |
The
fair values and the changes in fair values of the warrants accounted for as derivative liabilities are reflected below:
Balance, December 31, 2013 |
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$ |
3,747,858 |
|
Gain
on change in fair value for the year ended December 31, 2014 |
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(1,549,696 |
) |
Balance, December 31, 2014 |
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|
2,198,162 |
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Gain
on change in fair value for the year ended December 31, 2015 |
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(1,539,876 |
) |
Balance, December
31, 2015 |
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$ |
658,286 |
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Schedule of compensation stock option activity |
Activity
with respect to stock options issued by the Company is summarized as follows:
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Options
Outstanding |
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Options
Exercisable |
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Range
of
Exercise
Prices
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Weighted- average
Exercise price per share |
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Intrinsic
Value
(1)
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Outstanding at December 31,
2013 |
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7,430,225 |
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|
|
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$ |
0.88 |
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- |
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|
$ |
9.64 |
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|
$ |
1.47 |
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$ |
1,493,368 |
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Exercisable at December 31, 2013 |
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|
4,416,292 |
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$ |
0.88 |
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|
- |
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|
$ |
9.64 |
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|
$ |
1.68 |
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$ |
566,589 |
|
Activity during the year ended December 31,
2014 |
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Granted |
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3,284,500 |
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$ |
0.80 |
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- |
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$ |
1.46 |
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$ |
1.09 |
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Exercised |
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(162,500 |
) |
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$ |
0.88 |
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- |
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$ |
0.88 |
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$ |
0.88 |
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Cancelled or forfeited |
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(208,916 |
) |
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$ |
0.88 |
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- |
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$ |
9.64 |
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$ |
1.42 |
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Outstanding at December 31, 2014 |
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10,343,309 |
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$ |
0.80 |
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- |
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$ |
9.64 |
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$ |
1.36 |
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$ |
4,800 |
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Exercisable at December 31, 2014 |
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5,627,505 |
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$ |
1.00 |
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- |
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$ |
9.64 |
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$ |
1.56 |
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$ |
600 |
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Activity during the year ended December 31,
2015 |
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Granted |
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2,476,500 |
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$ |
0.74 |
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- |
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$ |
1.06 |
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$ |
0.82 |
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Exercised |
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- |
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- |
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- |
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- |
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- |
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Cancelled or forfeited |
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(888,500 |
) |
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$ |
0.80 |
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- |
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$ |
3.20 |
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$ |
1.48 |
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Outstanding at December 31, 2015 |
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11,931,309 |
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$ |
1.22 |
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- |
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Exercisable at December 31, 2015 |
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7,168,642 |
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$ |
1.41 |
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- |
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(1) |
Intrinsic value
is calculated as the estimated fair value of the Companys stock at the end of the related period less the option exercise
price of in-the-money options. |
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Schedule of stock options by exercise price range |
The
following table summarizes information about stock options at December 31, 2015 (contractual life expressed in years):
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Options
Outstanding |
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|
Options
Exercisable |
|
Range
of Exercise Prices |
|
Number
Outstanding |
|
|
Weighted
- Average Remaining Contractual Life |
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|
Weighted
- Average Exercise
Price
|
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|
Number
Exercisable |
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|
Weighted
- Average Remaining Contractual Life |
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Weighted
- Average Exercise
Price
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$0.74 |
- |
$1.13 |
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|
8,084,067 |
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|
8.14 |
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$ |
0.98 |
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3,653,400 |
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|
6.87 |
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$ |
1.02 |
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$1.16 |
- |
$2.09 |
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|
3,791,117 |
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|
6.19 |
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$ |
1.69 |
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3,459,117 |
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|
5.87 |
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$ |
1.72 |
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$3.20 |
- |
$9.64 |
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|
56,125 |
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|
2.61 |
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$ |
7.95 |
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|
56,125 |
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|
2.61 |
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$ |
7.95 |
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11,931,309 |
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7,168,642 |
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Schedule of summary of the status of the Company''s nonvested stock options |
A
summary of the status of the Companys nonvested stock options during the years ended December 31, 2015 and 2014 is presented
below:
Nonvested
Stock Options |
|
Shares
|
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|
Weighted
- Average Grant Date Fair Value |
|
Nonvested January 1, 2014 |
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3,013,933
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$ |
0.56 |
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Activity during the year ended December 31,
2014 |
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Granted |
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3,284,500 |
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$ |
0.63 |
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Forfeited |
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(46,416 |
) |
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$ |
0.76 |
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Vested |
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(1,536,213 |
) |
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$ |
0.58 |
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Nonvested December 31, 2014 |
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4,715,804 |
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$ |
0.52 |
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Activity during the year ended December 31,
2015 |
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Granted |
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|
2,476,500 |
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$ |
0.47 |
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Forfeited |
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|
(102,500 |
) |
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$ |
0.59 |
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Vested |
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|
(2,327,137 |
) |
|
$ |
0.53 |
|
Nonvested December 31, 2015 |
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|
4,762,667 |
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$ |
0.47 |
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Schedule of share based payment award stock option valuation assumptions |
The
assumptions used in calculating the fair value under the Black-Scholes option-pricing model are as follows:
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Years
Ended December 31, |
|
|
|
2015 |
|
|
2014 |
|
Dividend yield |
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|
0% |
|
|
|
0% |
|
Expected Volatility |
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|
46.67% to 47.93% |
|
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|
49.4% to 51.8% |
|
Risk free Interest rates |
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|
1.48% to 1.80% |
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|
1.73% to 2.71% |
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Expected lives (in years) |
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|
6.0 |
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|
5.5 - 6.0 |
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Schedule of stockholders' equity note warrants or rights |
Warrants
have generally been issued in connection with financing transactions and for terms of up to five years. Common stock warrant activity
for the years ended December 31, 2015 and 2014 is as follows:
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Shares
|
|
|
Weighted
- Average Exercise Price |
|
Outstanding at December 31,
2013 |
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|
12,136,865 |
|
|
$ |
0.79 |
(1) |
Issued during the
year ended December 31, 2014 |
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|
8,622,271 |
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$ |
0.98 |
|
Outstanding at December 31, 2014 |
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|
20,759,136 |
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|
$ |
0.80 |
(1) |
Activity during the year ended December 31,
2015 |
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|
|
|
|
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Issued |
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|
13,082,410 |
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$ |
0.45 |
|
Terminated |
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(25,444 |
) |
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$ |
8.00 |
|
Outstanding at December 31, 2015 |
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|
33,816,102 |
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|
$ |
0.66 |
|
(1) |
The weighted-average exercise price reflects
exercise prices adjustments triggered by the December 2014 and December 2015 Private Placements described above. |
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Schedule of information regarding outstanding warrants |
Information
regarding outstanding warrants at December 31, 2015 is as follows (contractual life expressed in years):
Exercise
Price
|
|
|
Number
Outstanding |
|
|
Weighted
- Average Remaining Contractual Life |
|
|
Intrinsic
Value
(1)
|
$ |
0.32 |
|
|
|
4,600,842 |
|
|
|
2.07 |
|
|
$ |
276,051 |
$ |
0.41 |
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|
8,154,629 |
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|
|
4.98 |
|
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$ |
- |
$ |
0.53 |
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|
4,892,781 |
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|
4.98 |
|
|
$ |
- |
$ |
0.60 |
|
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|
458,977 |
|
|
|
1.15 |
|
|
$ |
- |
$ |
0.75 |
|
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|
2,577,750 |
|
|
|
1.11 |
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|
$ |
- |
$ |
0.86 |
|
|
|
7,432,021 |
|
|
|
3.98 |
|
|
$ |
- |
$ |
0.94 |
|
|
|
2,727,274 |
|
|
|
1.50 |
|
|
$ |
- |
$ |
0.97 |
|
|
|
343,578 |
|
|
|
1.50 |
|
|
$ |
- |
$ |
1.00 |
|
|
|
1,395,000 |
|
|
|
1.42 |
|
|
$ |
- |
$ |
1.75 |
|
|
|
1,233,250 |
|
|
|
1.51 |
|
|
$ |
- |
|
|
|
|
|
33,816,102 |
|
|
|
3.43 |
|
|
$ |
276,051 |
(1) |
Intrinsic value is calculated as the estimated
fair value of the Companys stock at December 31, 2015 less the warrant exercise price of in-the-money warrants. |
|