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NET LOSS PER SHARE
 3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
NET LOSS PER SHARE
NET LOSS PER SHARE

We compute basic net loss per share by dividing net loss attributable to our common stockholders by the weighted average number of shares of common stock outstanding during the period. We exclude all outstanding options and unvested restricted stock as such securities are anti-dilutive for all periods presented.

Basic and diluted net loss per share is calculated as follows (in thousands, except per share amounts):
 
 
 
Three Months Ended
March 31,
 
 
 
2018
 
2017
 
Net loss
 
$
(14,033
)
 
$
(8,230
)
 
Less net income attributable to non-controlling stockholders
 
27

 
—

 
Net loss attributable to common stock
 
$
(14,060
)

$
(8,230
)
 
Weighted average shares outstanding, basic and diluted
 
20,052

 
16,087

 
 
 


 


 
Net loss per share, basic and diluted
 
$
(0.70
)
 
$
(0.50
)
 
Anti-dilutive securities excluded from diluted net loss per share calculation for stock-based compensation plans
 
1,336

 
1,385