Annual report pursuant to Section 13 and 15(d)

STOCK WARRANTS (Tables)

v3.8.0.1
STOCK WARRANTS (Tables)
12 Months Ended
Dec. 31, 2017
Stock Warrants  
Schedule of warrants to purchase common stock

The following table summarizes information with respect to outstanding warrants to purchase common stock of the Company, all of which were vested and exercisable, at December 31, 2017: 

 

Exercise     Number     Expiration
Price     Outstanding     Date
$ 6.30       544,000     October 2021
$ 6.90       47,361     October 2021
$ 42.50       91,898     August 2018
$ 120.00       1,080     February 2018
$ 250.00       2,334     January 2019 to February 2019
          686,673
Schedule of assumptions used in valuation of warrants

The assumptions used in the valuation of warrants issued to Dawson were as follows:

 

Risk-free interest rate     1.30 %
Life of warrant     5 years  
Expected stock price volatility     78.04 %
Expected dividend yield   $ 0.0