Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies (Tables)

v2.4.1.9
Organization and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2014
Accounting Policies [Abstract]  
Schedule of Assumptions Used
The assumptions used to calculate the fair value of stock option awards granted during the years ended December 31, 2014, 2013 and 2012 are noted in the following table:
 
2014
 
2013
 
2012
Expected volatility
61%-67%
 
60%-71%
 
63%-72%
Weighted-average volatility
65%
 
65%
 
65%
Expected dividends
 
 
Expected term (in years)
5.3-7.4
 
5.0-6.2
 
5.0-6.3
Risk-free rate
1.6%-2.0%
 
1.0%-1.9%
 
0.6%-1.2%