Quarterly report pursuant to Section 13 or 15(d)

3. Summary of Significant Accounting Policies (Tables)

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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 Company’s 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