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Selected Quarterly Financial Data (Unaudited) (Tables)
12 Months Ended
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]  
Selected Unaudited Quarterly Consolidated Statements of Operations Data

The following tables set forth selected unaudited quarterly consolidated statements of operations data for each of the eight quarters in the years ended December 31, 2018 and 2017 (in thousands except per share data):

 

 

 

Dec 31, 2018

 

 

Sep 30, 2018

 

 

Jun 30, 2018

 

 

Mar 31, 2018

 

 

Dec 31, 2017*

 

 

Sep 30, 2017*

 

 

Jun 30, 2017*

 

 

Mar 31, 2017*

 

Consolidated Statements of

   Operations Data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Revenues

 

$

188,624

 

 

$

173,825

 

 

$

160,832

 

 

$

150,343

 

 

$

141,185

 

 

$

130,279

 

 

$

119,919

 

 

$

112,234

 

Gross profit

 

 

144,509

 

 

 

134,551

 

 

 

122,766

 

 

 

114,669

 

 

 

107,565

 

 

 

99,495

 

 

 

90,358

 

 

 

84,928

 

Operating loss

 

 

(3,404

)

 

 

(7,027

)

 

 

(4,654

)

 

 

(1,351

)

 

 

(217

)

 

 

(265

)

 

 

(2,627

)

 

 

(2,229

)

Net income (loss)

 

 

(5,678

)

 

 

(9,518

)

 

 

(8,291

)

 

 

(2,716

)

 

 

(121

)

 

 

269

 

 

 

(2,115

)

 

 

(2,237

)

Net income (loss) per share,

   basic and diluted

 

$

(0.07

)

 

$

(0.12

)

 

$

(0.10

)

 

$

(0.03

)

 

$

 

 

$

 

 

$

(0.03

)

 

$

(0.03

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

Adjusted for the adoption of Topic 606.