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)
9 Months Ended
Sep. 30, 2014
Notes to Financial Statements  
Inventories Table

The composition of inventory as of September 30, 2014 and December 31, 2013 is as follows: 

 

    September 30,     December 31,  
    2014     2013  
Raw materials   $ 222,989     $ 147,290  
Finished goods     679,534       639,386  
Inventory reserve     (50,000 )     (50,000 )
Total   $ 852,523     $ 736,676  

 

Customer Concentration

The following table illustrates the level of concentration as a percentage of total revenues during the three months and nine months ended September 30, 2014 and 2013:

 

    For the Three Months Ended  
    September 30,  
    2014     2013  
Top Five Customers     53 %     53 %
Federal Agencies     1 %     27 %

 

    For the Nine Months Ended  
    September 30,  
    2014     2013  
Top Five Customers     31 %     51 %
Federal Agencies     1 %     41 %

 

The following table illustrates the level of concentration as a percentage of net accounts receivable balance as of September 30, 2014 and December 31, 2013:

 

    September 30,     December 31,  
    2014     2013  
Top Five Customers     58 %     76 %
Federal Agencies     1 %     24 %
Computation of Loss per Share

The following table illustrates our computation of loss per share for the three months and nine months ended September 30, 2014 and 2013:

 

    For the Three Months Ended     For the Nine Months Ended  
    September 30,     September 30,  
    2014     2013     2014     2013  
Numerator:                        
Net loss   $ (959,050 )   $ (673,214 )   $ (3,321,892 )   $ (2,518,624 )
Accrued dividend for Preferred Stock     (43,362 )     (42,938 )     (97,955 )     (114,348 )
Deemed dividend on Series J Convertible Preferred Stock     -       -       -       (651,182 )
Deemed dividend on Series K Convertible Preferred Stock     -       -       (1,388,062 )     -  
Net loss applicable to common shareholders   $ (1,002,412 )   $ (716,152 )   $ (4,807,909 )   $ (3,284,154 )
                                 
Denominator for basic and diluted loss per share:                                
Weighted average common stock shares outstanding     15,238,466       11,664,484       13,648,795       11,776,740  
                                 
Loss per common share - basic and diluted   $ (0.07 )   $ (0.06 )   $ (0.35 )   $ (0.28 )

 

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.

 

    For the Three and Nine Months Ended  
    September 30,  
    2014     2013  
Stock options     3,356,250       1,793,750  
Convertible debt     4,091,151       1,025,000  
Common stock warrants     17,895,717       12,034,599  
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     3,548,000       5,087,500  
Series K Convertible Preferred Stock     11,399,000       -  
      42,905,818       23,144,049  

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 Condensed Consolidated Statements of Operations:

 

   

For the Three Months Ended

 September 30,

 
    2014     2013  
Research and development   $ 1,749     $ 44,658  
Selling and marketing     1,391       17,024  
General and administrative     3,247       30,549  
Total stock-based compensation expense   $ 6,387     $ 92,231  

 

We recognized stock-based compensation expense of $46,771 and $120,248 for the nine months ended September 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 Nine Months Ended

September 30,

 
    2014     2013  
Research and development   $ 19,602     $ 50,161  
Selling and marketing     13,296       21,216  
General and administrative     13,873       48,871  
Total stock-based compensation expense   $ 46,771     $ 120,248  

  

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 September 30, 2014.

 

          Fair value measurements at September 30, 2014 using:  
    September 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   $ 235,724       -       -     $ 235,724  
                                 

 

    January 1, 2014     Change in Fair Value     Reclassified to Equity     September 30, 2014  
Series D Preferred Stock Purchase Warrants   $ 344,570     $ 221,559     $ (330,405 )   $ 235,724  
                                 

 

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 September 30, 2014  
Expected life (in months)     60.0       34.0       25.0  
Expected volatility     104.5 %     154.8 %     129.3 %
Risk-free interest rate     0.875 %     0.78 %     0.58 %
Exercise price   $ 0.81     $ 0.25     $ 0.25  
Fair value per warrant   $ 0.54     $ 0.21     $ 0.22  

  

          Fair value measurements at September 30, 2014 using:  
    Sept. 30, 2014     Quoted prices in active markets (Level 1)     Significant other observable inputs (Level 2)     Significant unobservable inputs (Level 3)  
June 4, 2014 note, conversion option   $ 13,020       -       -     $ 13,020  
July 7, 2014 note, conversion option     55,917       -       -       55,917  
July 7, 2014 note, conversion option     78,284       -       -       78,284  
August 28, 2014 note, conversion option     42,156       -       -       42,156  
September 3, 2014 note, conversion option     125,927       -       -       125,927  
September 10, 2014 note, conversion option     156,376       -       -       156,376  
September 26, 2014 note, conversion option     139,632       -       -       139,632  
Embedded conversion options   $ 611,312       -       -     $ 611,312  

  

    Jan. 1, 2014     Issuance fair value     Change in fair value     Reclassification into equity     Sept. 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       -       (98,129 )     -       -  
December 23, 2013 note, conversion option     72,027       -       48,804       (120,831 )     -  
June 4, 2014 note, conversion option     -       57,071       (44,051 )     -       13,020  
July 7, 2014 note, conversion option     -       64,233       (8,316 )     -       55,917  
July 7, 2014 note, conversion option     -       89,926       (11,642 )     -       78,284  
August 28, 2014 note conversion option             36,892       5,264             42,156  
September 3 2014 note, conversion option     -       122,340       3,587       -       125,927  
September 10, 2014 note, conversion option     -       129,710       26,666       -       156,376  
September 26, 2014 note, conversion option     -       140,060       (428 )     -       139,632  
Embedded conversion options   $ 356,197     $ 640,232     $ (64,799 )   $ (320,338 )   $ 611,312  

 

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 Sept. 30, 2014  
Expected life (in months)     8       4  
Expected volatility     121.8 %     102.7 %
Risk-free interest rate     0.07 %     0.02 %
Exercise price   $ 0.45     $ 0.45  
Fair value per conversion option   $ 0.16     $ 0.04  

 

Assumptions   July 7, 2014     Conversion options revalued at Sept. 30, 2014  
Expected life (in months)     12       9  
Expected volatility     117.9 %     104.9 %
Risk-free interest rate     0.12 %     0.09 %
Exercise price   $ 0.21     $ 0.20  
Fair value per conversion option   $ 0.18     $ 0.15  

 

Assumptions   July 7, 2014     Conversion options revalued at Sept. 30, 2014  
Expected life (in months)     12       9  
Expected volatility     117.9 %     104.9 %
Risk-free interest rate     0.12 %     0.09 %
Exercise price   $ 0.21     $ 0.20  
Fair value per conversion option   $ 0.18     $ 0.15  
                 

 

Assumptions   August 28, 2014     Conversion options revalued at Sept. 30, 2014  
Expected life (in months)     6       5  
Expected volatility     104.4 %     100.3 %
Risk-free interest rate     0.05 %     0.03 %
Exercise price   $ 0.14     $ 0.14  
Fair value per conversion option   $ 0.15     $ 0.17  
                 

 

Assumptions   Sept. 3, 2014     Conversion options revalued at Sept. 30, 2014  
Expected life (in months)     36       35  
Expected volatility     153.8 %     153.4 %
Risk-free interest rate     0.99 %     1.05 %
Exercise price   $ 0.35     $ 0.35  
Fair value per conversion option   $ 0.24     $ 0.25  

 

Assumptions   Sept. 10, 2014     Conversion options revalued at Sept. 30, 2014  
Expected life (in months)     12       11  
Expected volatility     117.6 %     116.3 %
Risk-free interest rate     0.12 %     0.11 %
Exercise price   $ 0.13     $ 0.13  
Fair value per conversion option   $ 0.12     $ 0.21  

  

Assumptions   Sept. 26, 2014     Conversion options revalued at Sept. 30, 2014  
Expected life (in months)     12       12  
Expected volatility     116.6 %     116.4 %
Risk-free interest rate     0.11 %     0.13 %
Exercise price   $ 0.16     $ 0.16  
Fair value per conversion option   $ 0.19     $ 0.19