Quarterly report pursuant to Section 13 or 15(d)

3. Summary of Significant Accounting Policies (Tables)

v2.4.0.8
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 Company’s 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