Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Deficit (Tables)

v3.10.0.1
Stockholders' Deficit (Tables)
6 Months Ended
Jun. 30, 2018
Equity [Abstract]  
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Information regarding warrants for common stock outstanding and exercisable as of June 30, 2018 is as follows:
 
     
Warrants
         
Warrants
 
Exercise
   
Outstanding as of
   
Remaining
   
Exercisable as of
 
Price
   
June 30, 2018
   
Life (years)
   
June 30, 2018
 
                     
$ 4.50       2,829,645       4.19       2,725,495  
$ 5.40       4,535,665       4.27       4,285,109  
$ 10.35       1,634       2.79       1,634  
$ 5.06       7,366,944       4.24       7,012,238