Summary of Significant Accounting Policies (Tables)
|
6 Months Ended |
Jun. 30, 2016 |
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 six months ended June 30,
2016 and 2015.
|
|
For the Three Months Ended |
|
|
|
June 30, |
|
|
|
2016 |
|
|
2015 |
|
Top Five Customers |
|
|
68 |
% |
|
|
65 |
% |
Federal Agencies |
|
|
8 |
% |
|
|
27 |
% |
|
|
For the Six Months Ended |
|
|
|
June 30, |
|
|
|
2016 |
|
|
2015 |
|
Top Five Customers |
|
|
40 |
% |
|
|
49 |
% |
Federal Agencies |
|
|
10 |
% |
|
|
22 |
% |
The following table
illustrates the level of concentration as a percentage of net accounts receivable balance as of June 30, 2016 and December 31,
2015:
|
|
June 30, 2016 |
|
|
December, 31, 2015 |
|
Top Five Customers |
|
|
73 |
% |
|
|
93 |
% |
Federal Agencies |
|
|
0 |
% |
|
|
1 |
% |
|
Schedule of Inventories |
The composition
of inventory is as follows:
|
|
June 30, 2016 |
|
|
December 31, 2015 |
|
Raw materials |
|
$ |
407,949 |
|
|
$ |
310,367 |
|
Finished goods |
|
|
644,433 |
|
|
|
778,004 |
|
Inventory Reserve |
|
|
(50,000 |
) |
|
|
(50,000 |
) |
Total |
|
$ |
1,002,382 |
|
|
$ |
1,038,371 |
|
|
Summary of Computation of Loss per Share |
The following table
illustrates our computation of loss per share for the three months and six months ended June 30, 2016 and 2015:
|
|
For the Three Months Ended |
|
|
For the Six Months Ended |
|
|
|
June 30, |
|
|
June 30, |
|
|
|
2016 |
|
|
2015 |
|
|
2016 |
|
|
2015 |
|
Numerator: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net loss |
|
$ |
961,829 |
|
|
$ |
(1,386,241 |
) |
|
$ |
(4,988,561 |
) |
|
$ |
(2,772,232 |
) |
Accretion of interest and amortization of debt discount |
|
|
991,286 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Change in fair value of derivative liabilities |
|
|
(2,016,593 |
) |
|
|
- |
|
|
|
- |
|
|
|
- |
|
Preferred dividends accrued |
|
|
- |
|
|
|
(6,811 |
) |
|
|
- |
|
|
|
(23,479 |
) |
Net loss applicable to common shareholders |
|
$ |
(763,478 |
) |
|
$ |
(1,393,052 |
) |
|
$ |
(4,988,561 |
) |
|
$ |
(2,795,711 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Denominator for basic and diluted loss per share: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Weighted average common stock shares outstanding |
|
|
25,953,828 |
|
|
|
19,682,632 |
|
|
|
24,481,039 |
|
|
|
19,247,895 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net effect of dilutive common stock equivalents |
|
|
44,808,781 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Weighted average shares outstanding - diluted |
|
|
70,762,609 |
|
|
|
19,682,632 |
|
|
|
24,481,039 |
|
|
|
19,247,895 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Income (loss) per common share - basic |
|
$ |
0.04 |
|
|
$ |
(0.07 |
) |
|
$ |
(0.20 |
) |
|
$ |
(0.14 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Income (loss) per common share - diluted |
|
$ |
(0.00 |
) |
|
$ |
(0.07 |
) |
|
$ |
(0.20 |
) |
|
$ |
(0.14 |
) |
|
Summary of Anti-dilutive Securities Excluded from Computation of Earnings per Share |
|
|
As of June 30, |
|
|
|
2016 |
|
|
2015 |
|
Stock options |
|
|
5,385,250 |
|
|
|
3,251,250 |
|
Convertible debt |
|
|
25,343,864 |
|
|
|
14,420,144 |
|
Common stock warrants |
|
|
26,403,340 |
|
|
|
19,182,201 |
|
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 |
|
|
|
2,100,000 |
|
Series J Convertible Preferred Stock |
|
|
3,546,000 |
|
|
|
3,546,000 |
|
Series K Convertible Preferred Stock |
|
|
6,816,000 |
|
|
|
11,416,000 |
|
|
|
|
72,210,153 |
|
|
|
56,531,295 |
|
|
Summary of Stock Based Compensation Expense |
|
|
For the Three Months Ended June 30, |
|
|
|
2016 |
|
|
2015 |
|
Research and development |
|
|
15,650 |
|
|
|
11,523 |
|
Selling and marketing |
|
|
9,803 |
|
|
|
7,099 |
|
General and administrative |
|
|
65,396 |
|
|
|
36,994 |
|
Total stock-based compensation expense |
|
|
90,849 |
|
|
|
55,616 |
|
|
|
For the Six Months Ended June 30 |
|
|
|
2016 |
|
|
2015 |
|
Research and development |
|
|
36,031 |
|
|
|
22,865 |
|
Selling and marketing |
|
|
22,493 |
|
|
|
14,075 |
|
General and administrative |
|
|
133,787 |
|
|
|
73,566 |
|
Total stock-based compensation expense |
|
|
192,311 |
|
|
|
110,506 |
|
|
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
June 30, 2016:
|
|
|
|
|
Fair value measurements at June 30, 2016 using: |
|
|
|
June 30, 2016 |
|
|
Quoted
prices in
active
markets
(Level 1)
|
|
|
Significant
other
observable
inputs (Level 2)
|
|
|
Significant
unobservable
inputs (Level 3)
|
|
Available-For-Sale Equity Securities |
|
|
81,783 |
|
|
|
81,783 |
|
|
|
0 |
|
|
|
0 |
|
Total Financial Assets |
|
$ |
81,783 |
|
|
$ |
81,783 |
|
|
$ |
- |
|
|
$ |
0 |
|
|
|
June 30, 2016 |
|
|
Quoted
prices in
active
markets
(Level 1)
|
|
|
Significant
other
observable
inputs
(Level 2)
|
|
|
Significant
unobservable
inputs (Level 3)
|
|
Series D Preferred Stock Purchase Warrants |
|
$ |
167,702 |
|
|
|
- |
|
|
|
- |
|
|
$ |
167,702 |
|
Warrants Issued with Convertible Debt |
|
|
4,385,293 |
|
|
|
- |
|
|
|
- |
|
|
|
4,385,293 |
|
Conversion Option Derivative Liabilities |
|
|
5,023,449 |
|
|
|
- |
|
|
|
- |
|
|
|
5,023,449 |
|
Total Derivatives |
|
$ |
9,576,444 |
|
|
$ |
- |
|
|
$ |
- |
|
|
$ |
9,576,444 |
|
The following table
provides a summary of the changes in fair value, including net transfers in and/or out, of the derivative financial instruments,
measured at fair value on a recurring basis using significant unobservable inputs for the six months ended June 30, 2016:
|
|
December 31, 2015 |
|
|
Issuance
fair value
|
|
|
Change
in fair
value
|
|
|
Gain on
extinguishment
of derivative
liabilities
|
|
|
June 30, 2016 |
|
Available-For-Sale Equity Securities |
|
$ |
294,522 |
|
|
|
|
|
|
$ |
(212,739 |
) |
|
$ |
- |
|
|
$ |
81,783 |
|
Total Financial Assets |
|
$ |
294,522 |
|
|
$ |
- |
|
|
$ |
(212,739 |
) |
|
$ |
- |
|
|
$ |
81,783 |
|
|
|
December 31, 2015 |
|
|
Issuance
fair value
|
|
|
Change in
fair value
|
|
|
June 30, 2016 |
|
Series D Preferred Stock Purchase Warrants |
|
$ |
173,526 |
|
|
$ |
- |
|
|
$ |
(5,824 |
) |
|
$ |
167,702 |
|
Convertible Debt Warrants |
|
|
3,122,450 |
|
|
|
1,094,432 |
|
|
|
168,411 |
|
|
|
4,385,293 |
|
Conversion Option Liabilities |
|
|
3,940,791 |
|
|
|
1,547,127 |
|
|
|
(464,469 |
) |
|
|
5,023,449 |
|
Total Derivatives |
|
$ |
7,236,767 |
|
|
$ |
2,641,559 |
|
|
$ |
(301,882 |
) |
|
$ |
9,576,444 |
|
The following tables
set forth the Companys financial assets and liabilities that were accounted for at fair value on a recurring basis as of
December 31, 2015:
|
|
|
|
|
Fair value measurements at December 31, 2015 using: |
|
|
|
December 31, 2015 |
|
|
Quoted
prices in
active
markets
(Level 1)
|
|
|
Significant
other
observable
inputs
(Level 2)
|
|
|
Significant
unobservable
inputs
(Level 3)
|
|
Available-For-Sale Equity Securities |
|
|
294,522 |
|
|
|
294,522 |
|
|
|
- |
|
|
|
- |
|
Total Financial Assets |
|
$ |
294,522 |
|
|
$ |
294,522 |
|
|
$ |
- |
|
|
$ |
- |
|
|
|
December 31, 2015 |
|
|
Quoted
prices in
active
markets
(Level 1)
|
|
|
Significant
other
observable
inputs
(Level 2)
|
|
|
Significant
unobservable
inputs
(Level 3)
|
|
Series D Preferred Stock Purchase Warrants |
|
$ |
173,526 |
|
|
|
- |
|
|
|
- |
|
|
$ |
173,526 |
|
Warrants Issued with Convertible Debt |
|
|
3,122,450 |
|
|
|
- |
|
|
|
- |
|
|
|
3,122,450 |
|
Conversion Option Derivative Liabilities |
|
|
3,940,791 |
|
|
|
- |
|
|
|
- |
|
|
|
3,940,791 |
|
Total Derivatives |
|
$ |
7,236,767 |
|
|
$ |
- |
|
|
$ |
- |
|
|
$ |
7,236,767 |
|
|
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, 2015
|
|
|
Warrants
revalued at
June 30, 2016
|
|
Expected life (in months) |
|
|
60.0 |
|
|
|
11.0 |
|
|
|
4.0 |
|
Expected volatility |
|
|
104.5 |
% |
|
|
104.9 |
% |
|
|
96.2 |
% |
Risk-free interest rate |
|
|
0.875 |
% |
|
|
0.65 |
% |
|
|
0.26 |
% |
Exercise price |
|
$ |
0.81 |
|
|
$ |
0.25 |
|
|
$ |
0.25 |
|
Fair value per warrant |
|
$ |
0.54 |
|
|
$ |
0.16 |
|
|
$ |
0.16 |
|
The assumptions
for the binomial pricing model are represented in the table below for the warrants issued with the Convertible Debt throughout
the period reflected on a per share common stock equivalent basis.
Assumptions |
|
At Issuance
Fair value
|
|
|
Warrants
revalued at
December 31, 2015
|
|
|
Warrants
revalued at
June 30, 2016
|
|
Expected life (in months) |
|
|
36.0-60.0 |
|
|
|
55.0-60.0 |
|
|
|
48.0-60.0 |
|
Expected volatility |
|
|
114.3 - 138.3 |
% |
|
|
136.3-141.6 |
% |
|
|
137.9 -142.2 |
% |
Risk-free interest rate |
|
|
0.86-1.69 |
% |
|
|
1.29-1.76 |
% |
|
|
1.01-1.21 |
% |
Exercise price |
|
$ |
0.40-0.42 |
|
|
|
0.40 |
|
|
$ |
0.40 |
|
Fair value per warrant |
|
$ |
0.19-$.40 |
|
|
|
0.30 |
|
|
$ |
0.32-$0.40 |
|
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
|
|
|
Conversion
options
revalued at
December 31, 2015
|
|
|
Conversion
options
revalued at
June 30, 2016
|
|
Expected life (in months) |
|
|
3-24 |
|
|
|
18-24 |
|
|
|
6-24 |
|
Expected volatility |
|
|
97.6-153.8 |
% |
|
|
112.2-114.7 |
% |
|
|
94.8-113.67 |
% |
Risk-free interest rate |
|
|
0.37-0.99 |
% |
|
|
1.06 |
% |
|
|
0.36-0.73 |
% |
Exercise price |
|
$ |
0.24-$0.45 |
|
|
$ |
0.28 |
|
|
$ |
0.28-$0.45 |
|
Fair value per conversion option |
|
$ |
0.07-$0.30 |
|
|
$ |
0.14-$0.33 |
|
|
$ |
0.08-$0.30 |
|
|