3. Summary of Significant Accounting Policies (Tables)
|
3 Months Ended |
Mar. 31, 2014
|
Notes to Financial Statements |
|
Inventories Table |
The composition
of inventory as of March 31, 2014 and December 31, 2013 is as follows:
|
|
March 31, |
|
|
December 31, |
|
|
|
2014 |
|
|
2013 |
|
Raw materials |
|
$ |
157,239 |
|
|
$ |
147,290 |
|
Finished goods |
|
|
679,513 |
|
|
|
639,386 |
|
Inventory reserve |
|
|
(50,000 |
) |
|
|
(50,000 |
) |
Total |
|
$ |
786,752 |
|
|
$ |
736,676 |
|
|
Customer Concentration |
The
following table illustrates the level of concentration as a percentage of total revenues during the three months ended March 31,
2014 and 2013:
|
|
For the Three Months Ended |
|
|
|
March 31, |
|
|
|
2014 |
|
|
2013 |
|
Top Five Customers |
|
|
65 |
% |
|
|
74 |
% |
Federal Agencies |
|
|
1 |
% |
|
|
56 |
% |
The
following table illustrates the level of concentration as a percentage of net accounts receivable balance as of March 31, 2014
and December 31, 2013:
|
|
March 31, |
|
|
December 31, |
|
|
|
2014 |
|
|
2013 |
|
Top Five Customers |
|
|
88 |
% |
|
|
86 |
% |
Federal Agencies |
|
|
13 |
% |
|
|
16 |
% |
|
Computation of Loss per Share |
The
following table illustrates our computation of loss per share for the three months ended March 31, 2014 and 2013:
|
|
For the Three Months Ended |
|
|
|
March 31, |
|
|
|
2014 |
|
|
2013 |
|
Numerator: |
|
|
|
|
|
|
Net loss |
|
$ |
(1,759,655 |
) |
|
$ |
(779,369 |
) |
Accrued dividend for Preferred Stock |
|
|
(44,987 |
) |
|
|
(32,173 |
) |
Deemed dividend on Series K convertible preferred stock |
|
|
(1,280,066 |
) |
|
|
- |
|
Deemed dividend on Series J convertible preferred stock |
|
|
- |
|
|
|
(582,548 |
) |
Net loss applicable to common shareholders |
|
$ |
(3,084,708 |
) |
|
$ |
(1,394,090 |
) |
|
|
|
|
|
|
|
|
|
Denominator for basic and diluted loss per share: |
|
|
|
|
|
|
|
|
Weighted average common stock shares outstanding |
|
|
12,122,045 |
|
|
|
12,149,267 |
|
|
|
|
|
|
|
|
|
|
Loss per common share - basic and diluted |
|
$ |
(0.25 |
) |
|
$ |
(0.11 |
) |
|
Stockholders' Equity Activity Series C Preferred Convertible Securities Exchange |
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 in Note 5.
|
|
March 31, |
|
|
|
2014 |
|
|
2013 |
|
Stock options |
|
|
1,730,750 |
|
|
|
1,605,750 |
|
Convertible debt |
|
|
932,500 |
|
|
|
- |
|
Common stock warrants |
|
|
18,222,827 |
|
|
|
11,337,099 |
|
Convertible preferred stock: |
|
|
|
|
|
|
|
|
Series D Convertible Preferred |
|
|
750,000 |
|
|
|
750,000 |
|
Series G Convertible Preferred |
|
|
1,453,200 |
|
|
|
1,453,200 |
|
Series H Convertible Preferred |
|
|
1,000,000 |
|
|
|
- |
|
Series J Convertible Preferred |
|
|
5,087,500 |
|
|
|
4,650,000 |
|
Series K Convertible Preferred |
|
|
10,729,000 |
|
|
|
- |
|
|
|
|
40,355,777 |
|
|
|
19,796,049 |
|
|
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 Consolidated Statements of Operations:
|
|
For the Three Months Ended March 31, |
|
|
|
2014 |
|
|
2013 |
|
Research and development |
|
$ |
7,553 |
|
|
$ |
4,836 |
|
Selling and marketing |
|
|
5,991 |
|
|
|
3,668 |
|
General and administrative |
|
|
5,352 |
|
|
|
10,536 |
|
Total stock-based compensation expense |
|
$ |
18,896 |
|
|
$ |
19,040 |
|
|
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 March 31, 2014.
|
|
Fair value measurements at March 31, 2014 using: |
|
|
|
March 31,
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 |
|
$ |
585,281 |
|
|
|
- |
|
|
|
- |
|
|
$ |
585,281 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
January 1,
2014
|
|
|
Change in Fair Value |
|
|
Reclassification into equity |
|
|
March 31,
2014
|
|
Series D Preferred Stock Purchase Warrants |
|
$ |
344,570 |
|
|
$ |
495,848 |
|
|
$ |
(255,137 |
) |
|
$ |
585,281 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 March 31,
2014
|
|
Expected
life (in months) |
|
|
60.0 |
|
|
|
34.0 |
|
|
|
31.0 |
|
Expected volatility |
|
|
104.5 |
% |
|
|
154.8 |
% |
|
|
160.3 |
% |
Risk-free interest
rate |
|
|
0.875 |
% |
|
|
0.78 |
% |
|
|
0.73 |
% |
Exercise price |
|
$ |
0.81 |
|
|
$ |
0.25 |
|
|
$ |
0.25 |
|
Fair value
per warrant |
|
$ |
0.54 |
|
|
$ |
0.21 |
|
|
$ |
0.48 |
|
|
|
Fair
value measurements at March 31, 2014 using: |
|
|
|
March
31,
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 |
|
$ |
218,875 |
|
|
|
- |
|
|
|
- |
|
|
$ |
218,875 |
|
December 23,
2013 note, conversion option |
|
|
174,644 |
|
|
|
- |
|
|
|
- |
|
|
|
174,644 |
|
Embedded conversion
options |
|
$ |
393,519 |
|
|
|
- |
|
|
|
- |
|
|
$ |
393,519 |
|
|
|
January
1,
2014
|
|
|
Change
in fair value |
|
|
Reclassification
into equity |
|
|
March
31,
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 |
|
|
|
120,746 |
|
|
|
- |
|
|
|
218,875 |
|
December 23,
2013 note, conversion option |
|
|
72,027 |
|
|
|
102,617 |
|
|
|
- |
|
|
|
174,644 |
|
Embedded
conversion options |
|
$ |
356,197 |
|
|
$ |
236,829 |
|
|
$ |
(199,507 |
) |
|
$ |
393,519 |
|
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 |
|
May
24,
2013
|
|
|
Conversion
options revalued at
November
22,
2013
|
|
Expected
life (in months) |
|
|
24 |
|
|
|
18 |
|
Expected volatility |
|
|
170.0 |
% |
|
|
181.8 |
% |
Risk-free interest
rate |
|
|
0.27 |
% |
|
|
0.35 |
% |
Exercise price |
|
$ |
0.25 |
|
|
$ |
0.17 |
|
Fair value
per conversion option |
|
$ |
0.31 |
|
|
$ |
0.17 |
|
Assumptions |
|
June
6,
2013
|
|
|
Conversion
options revalued at
December
26,
2013
|
|
Expected
life (in months) |
|
|
12 |
|
|
|
5 |
|
Expected volatility |
|
|
209.7 |
% |
|
|
132.9 |
% |
Risk-free interest
rate |
|
|
0.13 |
% |
|
|
0.07 |
% |
Exercise price |
|
$ |
0.40 |
|
|
$ |
0.40 |
|
Fair value
per conversion option |
|
$ |
0.25 |
|
|
$ |
0.06 |
|
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 |
|
$ |
0.26 |
|
|
$ |
0.23 |
|
Assumptions |
|
December
4,
2013
|
|
|
Conversion
options revalued at
March
31,
2014
|
|
Expected
life (in months) |
|
|
24 |
|
|
|
20 |
|
Expected volatility |
|
|
170.3 |
% |
|
|
145.2 |
% |
Risk-free interest
rate |
|
|
0.30 |
% |
|
|
0.35 |
% |
Exercise price |
|
$ |
0.40 |
|
|
$ |
0.40 |
|
Fair value
per conversion option |
|
$ |
0.16 |
|
|
$ |
0.39 |
|
Assumptions |
|
December
23,
2013
|
|
|
Conversion
options revalued at
March
31,
2014
|
|
Expected
life (in months) |
|
|
36 |
|
|
|
33 |
|
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 |
|
|
$ |
0.47 |
|
|