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Net Income (Loss) Per Share (Tables)
 3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Computation of Loss per Share Basic and Diluted

The following tables present the computation of basic net loss per share applicable to common stockholders for the periods ended (in thousands, except per share amounts):

 

 

 

Three months ended March 31,

 

 

 

 

2018

 

 

2019

 

 

 

 

Class A

 

 

Class B

 

 

Class A

 

 

Class B

 

 

Basic net loss per share:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Numerator:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Net loss applicable to common stockholders

 

$

(109

)

 

$

(817

)

 

$

(146

)

 

$

(1,153

)

 

Denominator:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average number of shares outstanding used to calculate

   basic net loss per share

 

 

5,056

 

 

 

38,039

 

 

 

5,056

 

 

 

39,827

 

 

Basic net loss per share applicable to common stockholders

 

$

(0.02

)

 

$

(0.02

)

 

$

(0.03

)

 

$

(0.03

)

 

 

 

The following tables present the computation of diluted net loss per share applicable to common stockholders for the periods ended (in thousands, except per share amounts):

 

 

 

Three months ended March 31,

 

 

 

 

2018

 

 

2019

 

 

 

 

Class A

 

 

Class B

 

 

Class A

 

 

Class B

 

 

Diluted net loss per share:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Numerator:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Net loss applicable to common stockholders

 

$

(109

)

 

$

(817

)

 

$

(146

)

 

$

(1,153

)

 

Reallocation of net loss for Class A shares as a result of conversion

   of Class A to Class B shares

 

 

—

 

 

 

(109

)

 

 

—

 

 

 

(146

)

 

Diluted net loss applicable to common stockholders

 

$

(109

)

 

$

(926

)

 

$

(146

)

 

$

(1,299

)

 

Denominator:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average number of shares outstanding used to calculate

   basic net loss per share

 

 

5,056

 

 

 

38,039

 

 

 

5,056

 

 

 

39,827

 

 

Conversion of Class A to Class B common shares outstanding

 

 

—

 

 

 

5,056

 

 

 

—

 

 

 

5,056

 

 

Weighted average number of shares outstanding used to calculate

   diluted net loss per share

 

 

5,056

 

 

 

43,095

 

 

 

5,056

 

 

 

44,883

 

 

Diluted net loss per share applicable to common stockholders

 

$

(0.02

)

 

$

(0.02

)

 

$

(0.03

)

 

$

(0.03

)