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Stock Options and Warrants (Tables)
3 Months Ended
Mar. 31, 2015
Stock Options and Warrants [Abstract]  
Summary of Stock Options Activity

Three Months Ended
March 31, 2015

Number of
Options

 

Weighted

Average

Exercise Price

 

Options outstanding at December 31, 2014

3,560,065     $ 0.24  

Options granted

           

Options exercised

           

Options cancelled

           

Options expired

    (256,508 )     .45  

Options at end of period

    3,303,557       .23  

Options exercisable at March 31, 2015

    2,880,223     $ .23  
Schedule of Nonvested Options Activity

Three Months Ended
March 31, 2015

Number of
Options

 

Weighted

Average

Exercise Price

 

Nonvested options at December 31, 2014

675,014     $ 0.16  

Granted

           

Vested

    (251,680 )     0.14  

Forfeited

           

Nonvested options at March 31, 2015

    423,334     $ 0.17  
Summary of Options Outstanding by Price Range

Options Outstanding

   

Options Exercisable

 

Range of Exercise Price

Number Outstanding

   

Remaining Average Contractual Life (In Years)

   

Weighted Average Exercise Price

   

Number Exercisable

   

Weighted Average Exercise Price

 

0.170.34

3,303,557

     

1.72

     

0.23

     

2,880,223

     

0.23

 

Totals

     

3,303,557

     

1.72

     

0.23

     

2,880,223

     

0.23

 
Summary of Warrants Activity

Three months ended
March 31, 2015

Weighted Average Exercise

Warrants

Price

 

Warrants outstanding at December 31, 2014

    1,068,280     $ 0.37  

Granted

    158,751       0.25  

Exercised

           

Expired

    (47,619 )     0.50  

Warrants outstanding at March 31, 2015

    1,179,412     $ 0.35  
Summary of Warrants Outstanding by Price Range

Warrants Outstanding

 

Range of Exercise Price

Number Outstanding

   

Remaining Average Contractual Life (In Years)

   

Weighted Average

Exercise Price

 
$0.25 - $0.50 1,179,412       2.6     $ 0.35  

Totals

      1,179,412       2.6     $ 0.35