Quarterly report pursuant to Section 13 or 15(d)

Cash, Cash Equivalents and Investments

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Cash, Cash Equivalents and Investments
6 Months Ended
Jun. 30, 2017
Cash, Cash Equivalents and Investments [Abstract]  
Cash, Cash Equivalents and Investments
9.
Cash, Cash Equivalents and Investments

Our cash equivalents and investments consist of money market, asset-backed securities and public corporate debt securities at June 30, 2017 and December 31, 2016. We consider all highly liquid investments with an original or remaining maturity of three months or less at the date of purchase to be cash equivalents. All of our short-term investments are classified as available for sale and are recorded at fair value using the specific identification method. Realized gains and losses are reflected in other income, net using the specific identification method. There was no material unrealized or realized gain or loss with respect to our short-term investments during the six months ended June 30, 2017. Unrealized gains and losses are included as a separate component of stockholders' equity. We do not intend to sell investments with an amortized cost basis exceeding fair value and it is not likely that we will be required to sell the investments before recovery of their amortized cost bases.
 
The following tables summarize our cash and cash equivalents and investments as of June 30, 2017 and December 31, 2016 (in thousands):
 
   
June 30, 2017
 
   
Cost or
Amortized
Cost
   
Gross
Unrealized
Gains
   
Gross
Unrealized
Losses
   
Estimated
Fair Value
 
Cash and cash equivalents:
                       
Cash
 
$
103,859
     
     
   
$
103,859
 
Money market
   
6,477
     
9
     
(2
)
   
6,484
 
Total cash and cash equivalents
   
110,336
     
9
     
(2
)
   
110,343
 
Short-term investments:
                               
Corporate bonds and asset backed securities
   
     
     
     
 
Total short-term investments
   
     
     
     
 
Cash and cash equivalents and short-term investments
 
$
110,336
     
9
     
(2
)
 
$
110,343
 
 
   
December 31, 2016
 
   
Cost or
Amortized
Cost
   
Gross
Unrealized
Gains
   
Gross
Unrealized
Losses
   
Estimated
Fair Value
 
Cash and cash equivalents:
                       
Cash
 
$
101,987
     
     
   
$
101,987
 
Money market
   
4,945
     
     
     
4,945
 
Total cash and cash equivalents
   
106,932
     
     
     
106,932
 
Short-term investments:
                               
Corporate bonds and asset backed securities
   
1,500
     
13
     
(2
)
   
1,511
 
Total short-term investments
   
1,500
     
13
     
(2
)
   
1,511
 
Cash and cash equivalents and short-term investments
 
$
108,432
     
13
     
(2
)
 
$
108,443
 

As of June 30, 2017, the amortized cost and estimated fair value of our marketable fixed-income securities due within one year and due after one year was immaterial.