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Summary of warrants (Tables)
12 Months Ended
Dec. 31, 2013
Summary of warrants:  
Summary of warrants

A summary of warrants issued, exercised and expired during the year ending December 31, 2013 is as follows:

 

 

 

Shares

 

 

WeightedAverageExercisePrice

 

 

AggregateIntrinsicValue

 

Balance at December 31, 2012

 

 

6,050,999

 

 

$

1.12

 

 

$

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Issued

 

 

1,975,000

 

 

 

.29

 

 

 

 

Expired

 

 

(439,999

)

 

 

(.75

)

 

 

 

Balance at December 31, 2013

 

 

7,586,000

 

 

$

.92

 

 

$

45,000