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Earnings (Loss) Per Share (Tables)
 3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Calculation of Earnings Per Share
Earnings (loss) per share was calculated as follows:
 
Three Months Ended March 31,
(In thousands, except per-share amounts)
2018
 
2017
BASIC
 
 
 
Net income (loss)
$
(587
)
 
$
119

Weighted-average common shares outstanding
14,087

 
14,449

Basic earnings (loss) per share
$
(0.04
)
 
$
0.01

 
 
 
 
DILUTED
 
 
 
Net income (loss)
$
(587
)
 
$
119

Weighted-average common shares outstanding for basic
14,087

 
14,449

Dilutive effect of stock options, restricted stock and common stock warrants
—

 
268

Weighted-average common shares outstanding on a diluted basis
14,087

 
14,717

Diluted earnings (loss) per share
$
(0.04
)
 
$
0.01
Securities Excluded from the Computation of Diluted Earnings (Loss) Per Common Share
The following number of stock options, shares of restricted stock and common stock warrants were excluded from the computation of diluted earnings (loss) per common share as their inclusion would have been anti-dilutive:
 
Three Months Ended March 31,
(In thousands)
2018
 
2017
Stock options
574

 
128

Restricted stock awards
203

 
59

Performance-based warrants
175

 
—