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Quarterly Results of Operations (unaudited)
12 Months Ended
Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Results of Operations (Unaudited)
Quarterly Results of Operations (Unaudited)
Three Months Ended:
Revenue

Gross Profit

Operating expenses

Net loss

Basic loss per share

Diluted loss per share
December 31, 2014
$
38,847


$
29,408


$
40,539


$
(14,782
)

$
(0.22
)

$
(0.22
)
September 30, 2014
37,150


23,577


32,504


(13,938
)

(0.21
)

(0.21
)
June 30, 2014
38,327


28,507


32,279


(8,993
)

(0.14
)

(0.14
)
March 31, 2014
33,264


24,295


29,611


5,295


0.08


0.08

Three Months Ended:











December 31, 2013
$
35,249


$
26,077


$
27,217


$
(3,412
)

$
(0.05
)

$
(0.05
)
September 30, 2013
33,260


25,898


28,116


(8,990
)

(0.14
)

(0.14
)
June 30, 2013
33,964


25,004


27,524


5,670


0.09


0.09

March 31, 2013
29,784


22,528


27,018


(9,335
)

(0.16
)

(0.16
)