Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Deficit) (Tables)

v3.7.0.1
Stockholders' Equity (Deficit) (Tables)
6 Months Ended
Jun. 30, 2017
Stockholders' equity (deficit):  
Schedule of equity compensation plans

Stock option activity under all of the Company’s Plans during the six months ended June 30, 2017 is summarized below:

 

 

      Shares     Weighted -
Average
Exercise
Price
 
Outstanding at December 31, 2016       337,441     $ 42.07  
Granted       7,125       3.56  
Forfeited       (40,129 )     35.81  
Outstanding at June 30, 2017       304,437     $ 30.11  
Schedule of assumptions used in calculating the fair value under the Black-Scholes option-pricing model

The estimated grant date fair values of options granted during the three months ended June 30, 2017 were calculated using the Black-Scholes valuation model, based on the following assumptions:

 

Dividend yield     0%  
Expected volatility     47.55% - 47.89%  
Risk free interest rates     1.87% - 2.08%  
Expected lives (in years)     6
Schedule of share-based compensation expense

For the three and six months ended June 30, 2017 and 2016, share-based compensation expense related to options was:

 

Three Months Ended June 30,  
2017     2016  
$ 222,130     $ 238,312  

 

Six Months Ended June 30,  
2017     2016  
$ 429,026     $ 498,881  
Schedule of common stock warrant activity

Common stock warrant activity for the six months ended June 30, 2017 was as follows:

 

      Shares     Weighted -
Average
Exercise
Price
 
Outstanding at December 31, 2016       1,991,293     $ 13.00  
Issued       7,134,200       2.20  
Exercised       (3,845 )     2.00  
Terminated       (95,332 )     29.09  
Outstanding at June 30, 2017       9,026,316     $ 4.17