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Stockholders' Equity And Employee Stock Option Plans (Tables)
 3 Months Ended
Mar. 31, 2017
Stockholders' Equity and Employee Stock Option Plans [Abstract]  
Stock-based Compensation Expense
Stock-based Compensation Expense

The following table summarizes stock-based compensation expense for the three months ended March 31, 2017 and 2016 and its allocation within the condensed consolidated statements of operations (in thousands):

 
Three Months Ended
 
March 31,
 
2017
 
2016
 
 
 
 
Cost of revenues
$
29

 
$
11

Product development
124

 
(1
)
Sales and marketing
102

 
(121
)
General and administrative
212

 
110

Total
$
467

 
$
(1
)