2. Summary of Significant Accounting Policies (Tables)
|
12 Months Ended |
Dec. 31, 2012
|
Accounting Policies [Abstract] |
|
Inventories Table |
|
|
December 31, |
|
|
|
2012 |
|
|
2011 |
|
Raw materials |
|
$ |
183,655 |
|
|
$ |
193,121 |
|
Finished goods |
|
|
789,707 |
|
|
|
875,892 |
|
Inventory reserve |
|
|
(50,000 |
) |
|
|
- |
|
Total |
|
$ |
923,362 |
|
|
$ |
1,069,013 |
|
|
Customer Concentration |
The following table illustrates the
level of concentration of the below two groups within revenue as a percentage of total revenues during the years ended December
31, 2012 and 2011:
|
|
For the Year Ended |
|
|
|
December 31, |
|
|
|
2012 |
|
|
2011 |
|
Top Five Customers |
|
|
50 |
% |
|
|
37 |
% |
Federal Agencies |
|
|
41 |
% |
|
|
26 |
% |
The following table illustrates the
level of concentration of the below two groups within accounts receivable as a percentage of total accounts receivable balance
as of December 31, 2012 and 2011:
|
|
For the Year Ended |
|
|
|
December 31, |
|
|
|
2012 |
|
|
2011 |
|
Top Five Customers |
|
|
34 |
% |
|
|
89 |
% |
Federal Agencies |
|
|
32 |
% |
|
|
42 |
% |
|
Computation of Loss per Share |
|
|
For the Year Ended |
|
|
|
December 31, |
|
|
|
2012 |
|
|
2011 |
|
Numerator: |
|
|
|
|
|
|
Net loss |
|
$ |
(3,450,205 |
) |
|
$ |
(2,996,312 |
) |
Accrued interest on convertible debt, after tax |
|
|
- |
|
|
|
18,896 |
|
Accrued dividend for Preferred Stock paid in common stock |
|
|
(278,184 |
) |
|
|
(164,904 |
) |
Deemed dividend on warrant modifications |
|
|
(190,891 |
) |
|
|
(704,844 |
) |
Issuance of common stock for dividends paid in kind |
|
|
(284,116 |
) |
|
|
- |
|
Beneficial conversion feature for preferred stock |
|
|
- |
|
|
|
(1,006,574 |
) |
Series A Preferred dividends paid in common stock |
|
|
- |
|
|
|
(188,380 |
) |
Preferred dividends accrued and paid in cash |
|
|
(196,819 |
) |
|
|
(65,543 |
) |
Net loss applicable to common shareholders |
|
$ |
(4,400,215 |
) |
|
$ |
(5,107,661 |
) |
|
|
|
|
|
|
|
|
|
Denominator for basic and diluted loss per share: |
|
|
|
|
|
|
|
|
Weighted average common shares outstanding |
|
|
10,113,881 |
|
|
|
6,618,484 |
|
|
|
|
|
|
|
|
|
|
Loss per common share - basic and diluted |
|
$ |
(0.44 |
) |
|
$ |
(0.77 |
) |
|
|
For the Year Ended |
|
|
|
December 31, |
|
|
|
2012 |
|
|
2011 |
|
Stock options |
|
|
1,605,750 |
|
|
|
1,508,500 |
|
Convertible debt |
|
|
- |
|
|
|
412,000 |
|
Common stock warrants |
|
|
6,687,099 |
|
|
|
4,775,501 |
|
Preferred stock warrants |
|
|
- |
|
|
|
- |
|
Convertible preferred stock: |
|
|
|
|
|
|
|
|
Series A Convertible Preferred |
|
|
- |
|
|
|
- |
|
Series B Convertible Preferred |
|
|
- |
|
|
|
- |
|
Series C Convertible Preferred |
|
|
- |
|
|
|
880,980 |
|
Series D Convertible Preferred |
|
|
750,000 |
|
|
|
1,143,077 |
|
Series E Convertible Preferred |
|
|
- |
|
|
|
- |
|
Series G Convertible Preferred |
|
|
1,453,200 |
|
|
|
- |
|
|
|
|
10,496,049 |
|
|
|
8,720,058 |
|
|
Stock based compensation expense |
|
|
For the Year Ended
December 31,
|
|
|
|
2012 |
|
|
2011 |
|
Research and development |
|
$ |
30,034 |
|
|
$ |
39,375 |
|
Selling and marketing |
|
|
28,944 |
|
|
|
43,201 |
|
General and administrative |
|
|
74,215 |
|
|
|
39,398 |
|
Total stock-based compensation expense |
|
$ |
133,193 |
|
|
$ |
121,974 |
|
|
Liabilities measured at fair value on recurring basis |
|
|
|
|
|
Fair value measurements at December 31, 2012 using: |
|
|
|
December 31, 2012 |
|
|
Quoted prices in active markets (Level 1) |
|
|
Significant other observable inputs (Level 2) |
|
|
Significant unobservable inputs
(Level 3)
|
|
Series D Common Stock Purchase Warrants |
|
$ |
160,812 |
|
|
$ |
- |
|
|
$ |
- |
|
|
$ |
160,812 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Fair value measurements at December 31, 2011 using: |
|
|
|
December 31, 2011 |
|
|
Quoted prices in active markets (Level 1) |
|
|
Significant other observable inputs (Level 2) |
|
|
Significant unobservable inputs
(Level 3)
|
|
Series C Common Stock Purchase Warrants |
|
$ |
205,353 |
|
|
$ |
- |
|
|
$ |
- |
|
|
$ |
205,353 |
|
Series D Common Stock Purchase Warrants |
|
|
231,200 |
|
|
|
- |
|
|
|
- |
|
|
|
231,200 |
|
|
|
$ |
436,553 |
|
|
$ |
- |
|
|
$ |
- |
|
|
$ |
436,553 |
|
|
|
January 1, 2012 |
|
|
Change in Fair Value |
|
|
Reclass to Equity |
|
|
December 31, 2012 |
|
Series C Common Stock Purchase Warrants |
|
$ |
205,353 |
|
|
$ |
(74,452 |
) |
|
$ |
(130,901 |
) |
|
$ |
- |
|
Series D Common Stock Purchase Warrants |
|
|
231,200 |
|
|
|
(70,388 |
) |
|
|
- |
|
|
|
160,812 |
|
|
|
$ |
436,553 |
|
|
$ |
(144,840 |
) |
|
$ |
(130,901 |
) |
|
$ |
160,812 |
|
|
|
January 1, 2011 |
|
|
Change in Fair Value |
|
|
December 31, 2011 |
|
Series C Common Stock Purchase Warrants |
|
$ |
- |
|
|
$ |
205,353 |
|
|
$ |
205,353 |
|
Series D Common Stock Purchase Warrants |
|
|
- |
|
|
|
231,200 |
|
|
|
231,200 |
|
|
|
$ |
- |
|
|
$ |
436,553 |
|
|
$ |
436,553 |
|
|
Fair value assumptions |
The following table summarizes the assumptions
we utilized for grants of stock options to the three sub-groups of our stock option recipients during the twelve months ended December
31, 2012 and 2011:
Assumptions |
|
Non-Employee Board Members |
|
|
CEO, other Officers and Employees |
|
Expected life |
|
2.0-5.0 (yrs) |
|
|
6.0 (yrs) |
|
Expected volatility |
|
|
55.66%-101.54 |
% |
|
|
55.66%-124.89 |
% |
Risk-free interest rate |
|
|
1.00%-4.94 |
% |
|
|
0.50%-4.94 |
% |
Forfeiture rate |
|
|
0.00%-5.00 |
% |
|
|
2.00%-5.00 |
% |
Expected dividend yield |
|
|
0.0 |
% |
|
|
0.0 |
% |
Assumptions for re-pricing of the options
were:
Assumptions |
|
Awards re-priced during the year ended December 31, 2012 |
|
Expected life (in years) |
|
|
6 |
|
Weighted average expected volatility |
|
|
124.9 |
% |
Risk-free interest rate |
|
|
0.7 |
% |
Weighted average re-priced Black-Scholes calculated fair value |
|
|
0.32 |
|
|