v3.19.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the U.S. federal statutory income tax rate to the Company’s effective income tax rate is as follows:

 

     Year Ended December 31,  
     2018     2017  

Federal statutory income tax rate

     21.0   %      34.0   % 

State taxes, net of federal benefit

     6.1       3.0  

Federal and state research and development tax credits

     9.6       13.7  

Nondeductible items

     (0.8     (1.7

2017 TCJA

           (26.9

Stock-based compensation

     4.4       (2.6

Other

     0.2       0.3  

Change in valuation allowance

     (40.5     (19.8
  

 

 

   

 

 

 

Effective income tax rate

                         —   %                          —   % 
  

 

 

   

 

 

 
Schedule of Deferred Tax Assets and Liabilities

Net deferred tax assets as of December 31, 2018 and 2017 consisted of the following (in thousands):

 

     December 31,  
     2018      2017  

Deferred tax assets:

     

Net operating loss carryforwards

   $ 5,691      $ 2,363  

Research and development tax credit carryforwards

     3,772        2,501  

Accrued expenses and other current liabilities

     501        392  

Intangible assets

     38        42  

Property and equipment

     150        111  

Stock-based compensation

     1,479        265  

Other

     382        259  
  

 

 

    

 

 

 

Total deferred tax assets

     12,013        5,933  

Valuation allowance

     (11,257      (5,677
  

 

 

    

 

 

 

Net deferred tax assets

     756        256  
  

 

 

    

 

 

 

Deferred tax liabilities:

     

Capitalized software development costs

     (756      (256
  

 

 

    

 

 

 

Deferred tax liabilities

     (756      (256
  

 

 

    

 

 

 

Net deferred tax assets and liabilities

   $                 —      $                 —  
  

 

 

    

 

 

 
Summary of Changes in Valuation Allowance

The changes in the valuation allowance for 2018 and 2017 were as follows (in thousands):

 

     Year Ended December 31,  
     2018      2017  

Valuation allowance as of beginning of year

   $ 5,677      $ 3,795  

Increases recorded to accumulated deficit (adoption of ASU 2016-09)

            876  

Decreases recorded as a benefit to income tax provision

            (1,368

Increases recorded to tax provision

     5,580        2,374  
  

 

 

    

 

 

 

Valuation allowance as of end of year

   $             11,257      $             5,677