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Earnings Per Share
 9 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Earnings Per Share
EARNINGS PER SHARE
The following table sets forth the computation of basic and diluted net loss per share:
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2015
 
2014
 
2015
 
2014
Net loss
$
(1,243
)
 
$
(2,300
)
 
$
(7,403
)
 
$
(7,189
)
Weighted average shares outstanding - basic and diluted 1
25,735

 
23,007

 
24,210

 
22,629

Net loss per share - basic and diluted
$
(0.05
)
 
$
(0.10
)
 
$
(0.31
)
 
$
(0.32
)


1 
The increase in shares from the 2014 periods to the 2015 periods is due primarily to the weighted average effect of the sale of 3,738 shares of common stock in an underwritten registered offering during August 2015.
The following weighted average shares were excluded from the calculation of diluted net loss per share as their effect would have been anti-dilutive: 
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2015
 
2014
 
2015
 
2014
Employee equity incentive plans
4,302

 
4,212

 
4,234

 
4,338


Potentially dilutive common shares from employee equity incentive plans are determined by applying the treasury stock method to the assumed exercise of outstanding stock options, the assumed vesting of outstanding restricted stock units, and the assumed issuance of common stock under the employee stock purchase plan.