Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2015
Equity [Abstract]  
Schedule of Warrants Outstanding

A summary of common stock warrant activity during the six months ended June 30, 2015, including warrants to purchase common stock that were issued in conjunction with the Company’s private placements, is presented below. For presentation purposes, warrants that were extended are considered as outstanding for the entire period in which such extension occurs.

 

                Weighted Average  
    Number of     Weighted Average     Remaining Contractual  
    Shares     Exercise Price     Life (in Years)  
                   
Warrants outstanding at December 31, 2014     2,928,800     $ 0.592          
Issued     —       —          
Exercised     (1,050,000 )     0.300          
Expired     (1,878,800 )     0.294          
Warrants outstanding at June 30, 2015     —     $ —       —  
                         
Warrants exercisable at December 31, 2014     2,807,840     $ 0.596          
Warrants exercisable at June 30, 2015     —     $ —       —