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Marketable Securities and Cash Equivalents
 3 Months Ended
Mar. 31, 2018
Investments Debt And Equity Securities [Abstract]  
Marketable Securities and Cash Equivalents

4. Marketable Securities and Cash Equivalents

The following table summarizes the Company’s marketable securities and cash equivalents as of March 31, 2018. The Company did not hold any marketable securities as of December 31, 2017.

 

 

 

March 31, 2018

 

(in thousands)

 

Amortized

Cost

 

 

Unrealized

Losses

 

 

Fair

Value

 

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

$

6,785

 

 

$

—

 

 

$

6,785

 

Corporate debt securities

 

 

2,010

 

 

 

(1

)

 

 

2,009

 

Commercial paper

 

 

13,781

 

 

 

—

 

 

 

13,781

 

Total cash equivalents

 

$

22,576

 

 

$

(1

)

 

$

22,575

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

Corporate debt securities

 

$

6,227

 

 

$

(10

)

 

$

6,217

 

Commercial paper

 

 

21,841

 

 

 

—

 

 

 

21,841

 

Government securities

 

 

13,941

 

 

 

(1

)

 

 

13,940

 

Total marketable securities

 

$

42,009

 

 

$

(11

)

 

$

41,998

 

Total cash equivalents and marketable securities

 

$

64,585

 

 

$

(12

)

 

$

64,573