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Earnings (Loss) Per Share
 9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Earnings (Loss) Per Share
Note 14
Earnings (Loss) Per Share
Basic net income (loss) per share (EPS) is computed by dividing net income (loss) by the weighted average number of common shares outstanding during the period. Diluted EPS is computed by dividing net income (loss) by the weighted average number of common and dilutive potential common shares outstanding during the period. Basic and diluted EPS (in thousands, except per share amounts):
 
 
Quarter Ended
September 30,
 
Nine Months Ended
September 30,
 
2017
 
2016
 
2017
 
2016
Net income (loss)
$
(4,334
)
 
$
(3,056
)
 
$
(17,144
)
 
$
(26,574
)
Weighted average common shares outstanding used to compute basic EPS
37,200

 
36,805

 
37,112

 
36,693

Dilutive effect of stock based awards
—

 
—

 
—

 
—

Weighted average common shares outstanding used to compute diluted EPS
37,200

 
36,805


37,112


36,693

 
 
 
 
 
 
 
 
Basic EPS
$
(0.12
)
 
$
(0.08
)
 
$
(0.46
)
 
$
(0.72
)
Diluted EPS
$
(0.12
)
 
$
(0.08
)
 
$
(0.46
)
 
$
(0.72
)

During the quarter and nine months ended September 30, 2017, 5.3 million and 5.2 million shares of common stock, respectively, of potentially issuable shares from stock awards were excluded from the calculation of diluted EPS because of their antidilutive effect.
During the quarter and nine months ended September 30, 2016, 4.6 million and 4.8 million shares of common stock, respectively, of potentially issuable shares from stock awards were excluded from the calculation of diluted EPS because of their antidilutive effect.