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Net Loss Per Share (Tables)
 6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
A summary of the net loss per share calculation is shown below for the periods indicated (in thousands, except share and per share amounts):
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2014
 
2013
 
2014
 
2013
Net loss
$
(6,565
)
 
$
(728
)
 
$
(12,226
)
 
$
(1,687
)
Common shares outstanding:
 
 
 
 
 
 
 
Historical common shares outstanding at beginning of period
41,535,010

 
35,053,311

 
41,208,096

 
34,839,131

Weighted average common shares issued
68,333

 
3,715,658

 
271,230

 
2,035,649

Weighted average common shares outstanding — basic
41,603,343

 
38,768,969

 
41,479,326

 
36,874,780

Effect of dilution — stock options
—

 
—

 
—

 
—

Weighted average common shares outstanding — diluted
41,603,343

 
38,768,969

 
41,479,326

 
36,874,780

Net loss per share — basic and diluted
$
(0.16
)
 
$
(0.02
)
 
$
(0.29
)
 
$
(0.05
)