Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.8.0.1
Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2018
Stockholders' equity:  
Schedule of equity compensation plans

Stock option activity under all of the Company’s Plans during the three months ended March 31, 2018 is summarized below:

 

      Shares     Weighted -
Average Exercise
Price
 
Outstanding at December 31, 2017       1,238,199     $ 12.47  
Granted       -       -  
Forfeited       (6,745 )     6.41  
Outstanding at March 31, 2018       1,231,454     $ 12.50  
                     
Schedule of share-based compensation expense

For the three months ended March 31, 2018 and 2017, share-based compensation expense related to options was:

 

Three Months Ended March 31,  
2018   2017  
$ 247,464   $ 206,896  
Schedule of common stock warrant activity

Common stock warrant activity for the three months ended March 31, 2018 was as follows:

 

      Shares     Weighted -
Average Exercise
Price
 
Outstanding at December 31, 2017       8,949,078     $ 4.12  
Issued       -       -  
Exercised       (103,207 )     4.15  
Terminated       (49,749 )     2.00  
Outstanding at March 31, 2018       8,796,122     $ 4.15