Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Dec. 31, 2016
Equity [Abstract]  
Summary of Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax, from Unrealized Gains (Losses) on Available-for-Sale Marketable Securities

The following table summarizes the changes in accumulated other comprehensive income (loss), or AOCI, net of tax, from unrealized gains (losses) on available-for-sale marketable securities, the Company’s only component of AOCI, for the years ended December 31, 2016 and 2015.

 

    

Total Accumulated

Other Comprehensive

Income (Loss)

  

Balance, December 31, 2014

    $ —    
  

 

 

  

Other comprehensive loss before reclassifications

      (35 ) 

Amount reclassified from accumulated other comprehensive income

      —    
  

 

 

  

Net current period other comprehensive loss

      (35 ) 
  

 

 

  

Balance, December 31, 2015

      (35 ) 
  

 

 

  

Other comprehensive loss before reclassifications

      61  

Amount reclassified from accumulated other comprehensive income

      (23 ) 
  

 

 

  

Net current period other comprehensive income

      38  
  

 

 

  

Balance, December 31, 2016

    $ 3  
  

 

 

  

Schedule of Reclassification Out of Accumulated Other Comprehensive Income

The reclassifications out of AOCI and into net loss were as follows:

 

Component of AOCI

    Year Ended December 31,         
   2016      2015      Affected Line Item in the
Statements of
Comprehensive Loss		  

Unrealized gains (losses) on available-for-sale marketable securities

         

Realized gains on sale of securities

    $ 23      $ —          Other income  
     —          —          Income tax benefit  
  

 

 

     

 

 

     
   $ 23      $ —          Net of tax