3. Summary of Significant Accounting Policies (Tables)
|
6 Months Ended |
Jun. 30, 2014
|
Notes to Financial Statements |
|
Inventories Table |
The
composition of inventory as of June 30, 2014 and December 31, 2013 is as follows:
|
|
June
30, |
|
|
December
31, |
|
|
|
2014 |
|
|
2013 |
|
Raw materials |
|
$ |
197,916 |
|
|
$ |
147,290 |
|
Finished goods |
|
|
705,303 |
|
|
|
639,386 |
|
Inventory reserve |
|
|
(50,000 |
) |
|
|
(50,000 |
) |
Total |
|
$ |
853,219 |
|
|
$ |
736,676 |
|
|
Customer Concentration |
The following
table illustrates the level of concentration as a percentage of total revenues during the three months and six months ended June
30, 2014 and 2013:
|
|
For the Three Months Ended |
|
|
|
June 30, |
|
|
|
2014 |
|
|
2013 |
|
Top Five Customers |
|
|
64 |
% |
|
|
87 |
% |
Federal Agencies |
|
|
3 |
% |
|
|
61 |
% |
|
|
For the Six Months Ended |
|
|
|
June 30, |
|
|
|
2014 |
|
|
2013 |
|
Top Five Customers |
|
|
42 |
% |
|
|
69 |
% |
Federal Agencies |
|
|
2 |
% |
|
|
55 |
% |
The following
table illustrates the level of concentration as a percentage of net accounts receivable balance as of June 30, 2014 and December
31, 2013:
|
|
June 30, |
|
|
December 31, |
|
|
|
2014 |
|
|
2013 |
|
Top Five Customers |
|
|
77 |
% |
|
|
86 |
% |
Federal Agencies |
|
|
17 |
% |
|
|
16 |
% |
|
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, 2014 and 2013:
|
|
For the Three Months Ended |
|
|
For the Six Months Ended |
|
|
|
June 30, |
|
|
June 30, |
|
|
|
2014 |
|
|
2013 |
|
|
2014 |
|
|
2013 |
|
Numerator: |
|
|
|
|
|
|
|
|
|
|
|
|
Net loss |
|
$ |
(603,187 |
) |
|
$ |
(1,066,041 |
) |
|
$ |
(2,362,842 |
) |
|
$ |
(1,845,410 |
) |
Accrued dividend for Preferred Stock |
|
|
(9,606 |
) |
|
|
(39,237 |
) |
|
|
(54,593 |
) |
|
|
(71,410 |
) |
Deemed dividend on Series J Convertible Preferred Stock |
|
|
- |
|
|
|
(68,634 |
) |
|
|
- |
|
|
|
(651,182 |
) |
Deemed dividend on Series K Convertible Preferred Stock |
|
|
(107,996 |
) |
|
|
- |
|
|
|
(1,388,062 |
) |
|
|
- |
|
Net loss applicable to common shareholders |
|
$ |
(720,789 |
) |
|
$ |
(1,173,912 |
) |
|
$ |
(3,805,497 |
) |
|
$ |
(2,568,002 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Denominator for basic and diluted loss per share: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Weighted average common stock shares outstanding |
|
|
13,567,472 |
|
|
|
11,521,794 |
|
|
|
12,848,751 |
|
|
|
11,883,797 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Loss per common share - basic and diluted |
|
$ |
(0.05 |
) |
|
$ |
(0.10 |
) |
|
$ |
(0.30 |
) |
|
$ |
(0.22 |
) |
|
Stockholders' Equity Activity Series C Preferred Convertible Securities Exchange |
The Series C Convertible Preferred Stock,
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 in Note 5.
|
|
For the Six Months Ended |
|
|
|
June 30, |
|
|
|
2014 |
|
|
2013 |
|
Stock options |
|
|
1,585,750 |
|
|
|
1,759,552 |
|
Convertible debt |
|
|
917,860 |
|
|
|
625,000 |
|
Common stock warrants |
|
|
17,757,044 |
|
|
|
11,774,599 |
|
Convertible preferred stock: |
|
|
|
|
|
|
|
|
Series D Convertible Preferred Stock |
|
|
750,000 |
|
|
|
750,000 |
|
Series G Convertible Preferred Stock |
|
|
865,700 |
|
|
|
1,453,200 |
|
Series H Convertible Preferred Stock |
|
|
1,000,000 |
|
|
|
1,000,000 |
|
Series J Convertible Preferred Stock |
|
|
4,995,000 |
|
|
|
5,087,500 |
|
Series K Convertible Preferred Stock |
|
|
11,463,000 |
|
|
|
- |
|
|
|
|
39,334,354 |
|
|
|
22,449,851 |
|
|
Stock based compensation expense |
The Company
recognized stock-based compensation expense of $21,488 and $8,977 for the three months ended June 30, 2014 and 2013, respectively. 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 June 30, |
|
|
|
2014 |
|
|
2013 |
|
Research and development |
|
$ |
10,301 |
|
|
$ |
667 |
|
Selling and marketing |
|
|
5,914 |
|
|
|
523 |
|
General and administrative |
|
|
5,273 |
|
|
|
7,787 |
|
Total stock-based compensation expense |
|
$ |
21,488 |
|
|
$ |
8,977 |
|
We recognized
stock-based compensation expense of $40,384 and $28,017 for the six months ended June 30, 2014 and 2013, respectively. 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 Six Months Ended June 30, |
|
|
|
2014 |
|
|
2013 |
|
Research and development |
|
$ |
17,854 |
|
|
$ |
5,503 |
|
Selling and marketing |
|
|
11,905 |
|
|
|
4,192 |
|
General and administrative |
|
|
10,625 |
|
|
|
18,322 |
|
Total stock-based compensation expense |
|
$ |
40,384 |
|
|
$ |
28,017 |
|
|
Liabilities measured at fair value on recurring basis |
The
following tables set forth the Companys financial liabilities that were accounted for at fair value on a recurring basis
as of June 30, 2014.
Fair
value measurements at June 30, 2014 using:
|
|
June
30,
2014
|
|
|
Quoted
prices in active markets (Level 1) |
|
|
Significant
other observable inputs (Level 2) |
|
|
Significant
unobservable inputs (Level 3) |
|
Series D Preferred Stock Purchase Warrants |
|
$ |
321,115 |
|
|
|
- |
|
|
|
- |
|
|
$ |
321,115 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
January
1,
2014
|
|
|
Change
in Fair Value |
|
|
Reclassified
to Equity |
|
|
June
30,
2014
|
|
Series D Preferred Stock Purchase Warrants |
|
$ |
344,570 |
|
|
$ |
306,950 |
|
|
$ |
(330,405 |
) |
|
$ |
321,115 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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,
2013
|
|
|
Warrants revalued at June 30,
2014
|
|
Expected life (in months) |
|
|
60.0 |
|
|
|
34.0 |
|
|
|
28.0 |
|
Expected volatility |
|
|
104.5 |
% |
|
|
154.8 |
% |
|
|
159.7 |
% |
Risk-free interest rate |
|
|
0.875 |
% |
|
|
0.78 |
% |
|
|
0.36 |
% |
Exercise price |
|
$ |
0.81 |
|
|
$ |
0.25 |
|
|
$ |
0.25 |
|
Fair value per warrant |
|
$ |
0.54 |
|
|
$ |
0.21 |
|
|
$ |
0.30 |
|
Fair value measurements at June 30, 2014 using:
|
|
June 30,
2014
|
|
|
Quoted prices in active markets (Level 1) |
|
|
Significant other observable inputs (Level 2) |
|
|
Significant unobservable inputs (Level 3) |
|
December 4, 2013 note, conversion option |
|
$ |
10,449 |
|
|
|
|
|
|
|
|
$ |
10,449 |
|
June 4, 2014 note, conversion option |
|
|
30,937 |
|
|
|
|
|
|
|
|
|
30,937 |
|
Embedded conversion options |
|
$ |
41,386 |
|
|
|
- |
|
|
|
- |
|
|
$ |
41,386 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
January 1,
2014
|
|
|
Issuance fair value |
|
|
Change in fair value |
|
|
Reclassification into equity |
|
|
June 30,
2014
|
|
April 11, 2013 note, conversion option |
|
$ |
130,734 |
|
|
$ |
- |
|
|
$ |
7,348 |
|
|
$ |
(138,082 |
) |
|
$ |
- |
|
June 26, 2013 note, conversion option |
|
|
55,307 |
|
|
|
- |
|
|
|
6,118 |
|
|
|
(61,425 |
) |
|
|
- |
|
December 4, 2013 note, conversion option |
|
|
98,129 |
|
|
|
- |
|
|
|
(87,680 |
) |
|
|
- |
|
|
|
10,449 |
|
December 23, 2013 note, conversion option |
|
|
72,027 |
|
|
|
- |
|
|
|
48,804 |
|
|
|
(120,831 |
) |
|
|
- |
|
June 4, 2014 note, conversion option |
|
|
- |
|
|
|
57,071 |
|
|
|
(26,134 |
) |
|
|
- |
|
|
|
30,937 |
|
Embedded conversion options |
|
$ |
356,197 |
|
|
$ |
57,071 |
|
|
$ |
(51,544 |
) |
|
$ |
(320,338 |
) |
|
$ |
41,386 |
|
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 |
|
April 11,
2013
|
|
|
Conversion options revalued at February 10, 2014 |
|
Expected life (in months) |
|
|
12 |
|
|
|
2 |
|
Expected volatility |
|
|
206.2 |
% |
|
|
116.4 |
% |
Risk-free interest rate |
|
|
0.10 |
% |
|
|
0.04 |
% |
Exercise price |
|
$ |
0.14 |
|
|
$ |
0.25 |
|
Fair value per conversion option |
|
$ |
0.29 |
|
|
$ |
0.20 |
|
Assumptions |
|
June 26,
2013
|
|
|
Conversion options revalued at February 10, 2014 |
|
Expected life (in months) |
|
|
12 |
|
|
|
5 |
|
Expected volatility |
|
|
189.2 |
% |
|
|
137.9 |
% |
Risk-free interest rate |
|
|
0.13 |
% |
|
|
0.07 |
% |
Exercise price |
|
$ |
0.17 |
|
|
$ |
0.25 |
|
Fair value per conversion option |
|
$ |
0.25 |
|
|
$ |
0.23 |
|
Assumptions |
|
December 4,
2013
|
|
|
Conversion options revalued at June 30, 2014 |
|
Expected life (in months) |
|
|
24 |
|
|
|
1 |
|
Expected volatility |
|
|
170.3 |
% |
|
|
77.1 |
% |
Risk-free interest rate |
|
|
0.30 |
% |
|
|
0.02 |
% |
Exercise price |
|
$ |
0.40 |
|
|
$ |
0.40 |
|
Fair value per conversion option |
|
$ |
0.16 |
|
|
$ |
0.02 |
|
Assumptions |
|
December 23,
2013
|
|
|
Conversion options revalued at June 23, 2014 |
|
Expected life (in months) |
|
|
36 |
|
|
|
30 |
|
Expected volatility |
|
|
151.4 |
% |
|
|
159.2 |
% |
Risk-free interest rate |
|
|
0.77 |
% |
|
|
0.73 |
% |
Exercise price |
|
$ |
0.40 |
|
|
$ |
0.40 |
|
Fair value per conversion option |
|
$ |
0.17 |
|
|
$ |
0.32 |
|
Assumptions |
|
June 4,
2014
|
|
|
Conversion options revalued at June 30, 2014 |
|
Expected life (in months) |
|
|
8 |
|
|
|
7 |
|
Expected volatility |
|
|
121.8 |
% |
|
|
102.6 |
% |
Risk-free interest rate |
|
|
0.07 |
% |
|
|
0.08 |
% |
Exercise price |
|
$ |
0.45 |
|
|
$ |
0.45 |
|
Fair value per conversion option |
|
$ |
0.16 |
|
|
$ |
0.09 |
|
|