Quarterly report pursuant to Section 13 or 15(d)

Equity (Tables)

v3.10.0.1
Equity (Tables)
9 Months Ended
Sep. 30, 2018
Equity [Abstract]  
Summary of Option Activity
The following is a summary of option activities for the nine months ended September 30, 2018:

Number of
Shares
Weighted
Average
Grant Date
Fair Value
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Term
(in years) #
Aggregate
Intrinsic
Value
Outstanding, December 31, 2017 1,345,000  $ 1.93  $ 3.50  9.07 $ 83,000 
Granted  1,429,000  $ 1.29  $ 1.81 
Forfeited or expired (5,000) $ 1.75  $ 2.49 
Outstanding, September 30, 2018 2,769,000  $ 1.80  $ 2.63  8.69 $ 70,000 
Exercisable, September 30, 2018 346,250  $ 2.87  $ 4.58  7.55 $ 70,000 
Schedule of Assumptions Used
The fair value of the option grants has been estimated, with the following weighted-average assumptions:
Nine Months Ended September 30, 
2018  2017 
Risk-free interest rate  0.95% - 2.24%  1.3% - 2.24% 
Volatility  70.18% - 89.11%  70.18% - 89.11% 
Expected life (years)  5 to 6.25  5 to 6.25 
Expected dividend yield  —  — 
Components of Share-Based Compensation
Stock-based compensation for the three and nine months ended September 30, 2018 and 2017, are as follows (in thousands):
Three Months Ended September 30,  Nine Months Ended September 30, 
2018  2017  2018 2017
General and administrative
$ 207  $ 264  $ 709  $ 481 
Research and development
37  116 
Total
$ 244  $ 266  $ 825  $ 487