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Net Loss Per Share (Tables)
3 Months Ended
Mar. 31, 2019
Contract with Customer, Asset, Net, Current, Percent Change  
Net Loss Per Share (Tables)

The components of basic and diluted net loss per share were as follows (in thousands, except loss per share data):

      Three Months Ended
      March 31,
      2019     2018
Numerator:            
Net loss available for common shareholders - basic and diluted   $ (8,068)   $ (7,132)
             
Denominator:            
Weighted-average common shares outstanding - basic and diluted       101,971      78,610 
             
Net loss per share - basic and diluted     $ (0.08)   $ (0.09)