Summary of Significant Accounting Policies (Tables)
|
9 Months Ended |
Sep. 30, 2015 |
Accounting Policies [Abstract] |
|
Summary of Customer Concentration Risk Percentage |
The following table
illustrates the level of concentration as a percentage of total revenues during the three months and nine months ended September
30, 2015 and 2014.
|
|
For the Three Months Ended |
|
|
|
September 30, |
|
|
|
2015 |
|
|
2014 |
|
Top Five Customers |
|
|
43 |
% |
|
|
53 |
% |
Federal Agencies |
|
|
2 |
% |
|
|
1 |
% |
|
|
For the Nine Months Ended |
|
|
|
September 30, |
|
|
|
|
2015 |
|
|
|
2014 |
|
Top Five Customers |
|
|
34 |
% |
|
|
31 |
% |
Federal Agencies |
|
|
14 |
% |
|
|
1 |
% |
The following table
illustrates the level of concentration as a percentage of net accounts receivable balance as of September 30, 2015 and December
31, 2014:
|
|
September 30, 2015 |
|
|
December 31, 2014 |
|
Top Five Customers |
|
|
61 |
% |
|
|
86 |
% |
Federal Agencies |
|
|
1 |
% |
|
|
9 |
% |
|
Summary of Computation of Loss per Share |
The following table
illustrates our computation of loss per share for the three months and nine months ended September 30, 2015 and 2014:
|
|
For the Three Months Ended |
|
|
For the Nine Months Ended |
|
|
|
September 30, |
|
|
September 30, |
|
|
|
2015 |
|
|
2014 |
|
|
2015 |
|
|
2014 |
|
Numerator: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net loss |
|
$ |
(657,928 |
) |
|
$ |
(959,050 |
) |
|
$ |
(3,430,160 |
) |
|
$ |
(3,321,892 |
) |
Accrued dividend for Preferred Stock |
|
|
1,711 |
|
|
|
(43,362 |
) |
|
|
(21,768 |
) |
|
|
(97,955 |
) |
Deemed dividend on Series K Convertible Preferred Stock |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
(1,388,062 |
) |
Net loss applicable to common shareholders |
|
$ |
(656,217 |
) |
|
$ |
(1,002,412 |
) |
|
$ |
(3,451,928 |
) |
|
$ |
(4,807,909 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Denominator for basic and diluted loss per share: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Weighted average common stock shares outstanding |
|
|
20,737,827 |
|
|
|
15,238,466 |
|
|
|
19,771,323 |
|
|
|
13,648,795 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Loss per common share - basic and diluted |
|
$ |
(0.03 |
) |
|
$ |
(0.07 |
) |
|
$ |
(0.17 |
) |
|
$ |
(0.35 |
) |
|
Summary of Anti-dilutive Securities Excluded from Computation of Earnings per Share |
The following table
presents securities that could potentially dilute basic loss per share in the future. For all periods presented, the potentially
dilutive securities were not included in the computation of diluted loss per share because these securities would have been anti-dilutive
to our net loss. The Series D Convertible Preferred Stock, Series G Convertible Preferred Stock, Series H Convertible Preferred
Stock, Series J Convertible Preferred Stock and Series K Convertible Preferred Stock are presented below as if they were converted
into common shares according to the conversion terms.
|
|
For the Nine Months Ended |
|
|
|
September 30, |
|
|
|
2015 |
|
|
2014 |
|
Stock options |
|
|
3,201,250 |
|
|
|
3,356,250 |
|
Convertible debt |
|
|
26,015,029 |
|
|
|
4,091,151 |
|
Common stock warrants |
|
|
26,125,127 |
|
|
|
17,895,717 |
|
Convertible preferred stock: |
|
|
|
|
|
|
|
|
Series D Convertible Preferred Stock |
|
|
750,000 |
|
|
|
750,000 |
|
Series G Convertible Preferred Stock |
|
|
865,700 |
|
|
|
865,700 |
|
Series H Convertible Preferred Stock |
|
|
1,000,000 |
|
|
|
1,000,000 |
|
Series H2 Convertible Preferred Stock |
|
|
2,100,000 |
|
|
|
- |
|
Series J Convertible Preferred Stock |
|
|
3,546,000 |
|
|
|
3,548,000 |
|
Series K Convertible Preferred Stock |
|
|
11,399,000 |
|
|
|
11,399,000 |
|
|
|
|
75,002,106 |
|
|
|
42,905,818 |
|
|
Summary of Stock Based Compensation Expense |
The
following table summarizes the effect of this stock-based compensation expense within each of the line items of our costs and expenses
within our Condensed Consolidated Statements of Operations:
|
|
For the Three Months Ended
September 30,
|
|
|
|
2015 |
|
|
2014 |
|
Research and development |
|
$ |
18,307 |
|
|
$ |
1,749 |
|
Selling and marketing |
|
|
13,310 |
|
|
|
1,391 |
|
General and administrative |
|
|
43,247 |
|
|
|
3,247 |
|
Total stock-based compensation expense |
|
$ |
74,864 |
|
|
$ |
6,387 |
|
The following
table summarizes the effect of this stock-based compensation expense within each of the line items of our costs and expenses within
our Condensed Consolidated Statements of Operations:
|
|
For the Nine Months Ended
September 30,
|
|
|
|
2015 |
|
|
2014 |
|
Research and development |
|
$ |
41,172 |
|
|
$ |
19,602 |
|
Selling and marketing |
|
|
27,386 |
|
|
|
13,296 |
|
General and administrative |
|
|
116,812 |
|
|
|
13,873 |
|
Total stock-based compensation expense |
|
$ |
185,370 |
|
|
$ |
46,771 |
|
|
Schedule of Liabilities Measured at Fair Value on Recurring Basis |
The following tables
set forth the Companys financial assets and liabilities that were accounted for at fair value on a recurring basis as of
September 30, 2015.
|
|
|
|
|
Fair value measurements at September 30, 2015 using: |
|
|
|
|
|
|
|
|
|
|
September 30, |
|
|
Quoted prices in active markets |
|
|
Significant other observable inputs |
|
|
Significant unobservable inputs |
|
|
|
2015 |
|
|
(Level 1) |
|
|
(Level 2) |
|
|
(Level 3) |
|
Series D Preferred Stock Purchase Warrants |
|
$ |
122,692 |
|
|
|
- |
|
|
|
- |
|
|
$ |
122,692 |
|
Available-For-Sale Equity Securities |
|
|
322,860 |
|
|
|
322,860 |
|
|
|
- |
|
|
|
- |
|
Convertible Debt Warrants |
|
|
1,418,438 |
|
|
|
- |
|
|
|
- |
|
|
|
1,418,438 |
|
Conversion Option Liabilities |
|
|
2,227,330 |
|
|
|
- |
|
|
|
- |
|
|
|
2,227,330 |
|
Total Derivatives |
|
$ |
4,091,320 |
|
|
$ |
322,860 |
|
|
$ |
- |
|
|
$ |
3,768,460 |
|
|
|
January 1, 2015 |
|
|
Issuance fair value |
|
|
Change in fair value |
|
|
Gain on extinguishment of derivative liabilities |
|
|
September 30, 2015 |
|
Series D Preferred Stock Purchase Warrants |
|
$ |
159,875 |
|
|
$ |
- |
|
|
$ |
(37,183 |
) |
|
$ |
- |
|
|
$ |
122,692 |
|
Convertible Debt Warrants |
|
|
- |
|
|
|
1,418,927 |
|
|
|
(489 |
) |
|
|
- |
|
|
|
1,418,438 |
|
Conversion Option Liabilities |
|
|
590,341 |
|
|
|
4,143,051 |
|
|
|
(477,738 |
) |
|
|
(2,028,324 |
) |
|
|
2,227,330 |
|
Total Derivatives |
|
$ |
750,216 |
|
|
$ |
5,561,978 |
|
|
$ |
(515,410 |
) |
|
$ |
(2,028,324 |
) |
|
$ |
3,768,460 |
|
|
Schedule of Fair Value Assumptions |
\
The assumptions
for the binomial pricing model are represented in the table below for the warrants issued in the Series D private placement reflected
on a per share common stock equivalent basis.
Assumptions |
|
November 10, 2011 |
|
|
Warrants revalued at
December 31, 2014
|
|
|
Warrants revalued at
September 30, 2015
|
|
Expected life (in months) |
|
|
60.0 |
|
|
|
22.0 |
|
|
|
13.0 |
|
Expected volatility |
|
|
104.5 |
% |
|
|
116.0 |
% |
|
|
117.5 |
% |
Risk-free interest rate |
|
|
0.875 |
% |
|
|
0.58 |
% |
|
|
0.33 |
% |
Exercise price |
|
$ |
0.81 |
|
|
$ |
0.25 |
|
|
$ |
0.25 |
|
Fair value per warrant |
|
$ |
0.54 |
|
|
$ |
0.15 |
|
|
$ |
0.11 |
|
The assumptions
for the binomial pricing model are represented in the table below for the warrants issued with the Convertible Debt throughout
the year reflected on a per share common stock equivalent basis.
Assumptions |
|
For the three months ended September 30, 2015 |
|
|
Warrants revalued at
September 30, 2015
|
|
Expected life (in months) |
|
|
60.0 |
|
|
|
60.0 |
|
Expected volatility |
|
|
118.3 - 120.1 |
% |
|
|
136.5 -138.2 |
% |
Risk-free interest rate |
|
|
1.48-1.69 |
% |
|
|
1.37 |
% |
Exercise price |
|
$ |
0.40 |
|
|
$ |
0.40 |
|
Fair value per warrant |
|
$ |
0.19-$.21 |
|
|
$ |
0.20 |
|
The assumptions
for the binomial pricing model are represented in the table below for the conversion options reflected on a per share common stock
equivalent basis.
Assumptions |
|
At Issuance
fair value
|
|
At Settlement
fair value
|
|
Conversion options
revalued at
September 30, 2015
|
|
Expected life (in months) |
|
6-24 |
|
0-18 |
|
2-21 |
|
Expected volatility |
|
104.2-153.8% |
|
86.9%-142.2% |
|
88.6-130.6% |
|
Risk-free interest rate |
|
0.05-0.99% |
|
0.01-0.72% |
|
0.01-0.64% |
|
Exercise price |
|
$0.10-$0.35 |
|
$0.10-$0.25 |
|
$0.11-$0.25 |
|
Fair value per conversion option |
|
$0.09-$0.28 |
|
$0.07-$0.26 |
|
$0.08-$0.16 |
|
|