Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.7.0.1
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2017
Stockholders Equity Tables  
Schedule of Aspire Option Agreement

Closing price per share of common stock   $ 3.34  
Average risk-free interest rate     0.83 %
Average expected life- years     3.38  
Expected volatility     92.61 %
Expected dividends     0 %

Schedule of Future Amortization of Deferred Financing Costs

2017   $ 0.2  
2018   $ 0.5  
2019   $ 0.5  

Schedule of Warrants Outstanding

    June 30,     December 31,  
    2017     2016  
             
Issued to Investors on July 28, 2010, entitling the holders to purchase 207,000 common shares in the Company at an exercise price of $45.00 per common share up to and including July 27, 2017. At June 30, 2017 and December 31, 2016, the fair value of these warrants was not significant.     207,000       207,000  
                 
Issued to Investors on October 25, 2013, entitling the holders to purchase 250,000 common shares in the Company at an exercise price of $6.25 per common share up to and including April 24, 2021.     163,986       163,986  
                 
Issued to Investors on November 17, 2014, entitling the holders to purchase 546,919 common shares in the Company at an exercise price of 6.25 per common share up to and including May 16, 2022.     546,919       546,919  
                 
Issued to an Investor on June 28, 2016, entitling the holders to purchase 295,267 common shares in the Company at an exercise price of $0.05 per common share (pre-funded) up to and including June 27, 2021. All of these warrants were exercised on a cashless basis in July 2017.     295,267       295,267  
                 
Issued to an investor on August 10, 2016, entitling the holders to purchase 500,000 common shares in the Company at an exercise price of price of $0.01 per share, up to and including December 31, 2019.     500,000       500,000  
                 
      1,713,172       1,713,172  

Schedule of Share-based Compensation, Stock Options, Activity

          Weighted     Weighted  
          Average     Average  
    Options     Exercise     Grant Date  
    Outstanding     Price     Fair Value  
Beginning of the period     2,172,581     $ 6.70     $ 4.83  
Granted     ----       ----       ----  
Exercised     ----       ----       ----  
Forfeited     ----       ----       ----  
Expired     (17,001 )   $ 37.74     $ 33.78  
End of the period     2,155,580     $ 6.45     $ 4.61  
                         
Options exercisable     1,768,746     $ 6.81     $ 4.92  

Schedule of Non-Vested Shares, Activity

          Weighted-        
          Average Fair     Weighted  
          Value     Average  
    Shares     Grant Date     Exercise Price  
Non-vested Shares                  
Non-vested - December 31, 2015     359,001     $ 4.55     $ 6.70  
                         
Granted     1,210,467     $ 1.71     $ 3.02  
Vested     (1,118,992 )   $ 1.81     $ 3.19  
Forfeited     -       -       -  
Non-vested - December 31, 2016     450,476     $ 3.60     $ 5.40  
Granted     -       -       -  
Vested     (63,642 )   $ 6.09     $ 9.03  
Forfeited     -       -       -  
Non-vested - June 30, 2017     386,834     $ 3.22     $ 4.81  

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

    Year ended  
    December 31,  
    2016  
       
Average risk-free interest rate     1.57 %
Average expected life- years     5.05  
Expected volatility     87.74 %
Expected dividends     0.0