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Marketable Securities and Cash Equivalents
 9 Months Ended
Sep. 30, 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 September 30, 2018. The Company did not hold any marketable securities as of December 31, 2017.

 

 

 

September 30, 2018

 

(in thousands)

 

Amortized

Cost

 

 

Unrealized

Gains

 

 

Unrealized

Losses

 

 

Fair

Value

 

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

$

37,708

 

 

$

—

 

 

$

—

 

 

$

37,708

 

Commercial paper

 

 

1,299

 

 

 

—

 

 

 

—

 

 

 

1,299

 

Total cash equivalents

 

$

39,007

 

 

$

—

 

 

$

—

 

 

$

39,007

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate debt securities

 

$

3,987

 

 

$

—

 

 

$

(1

)

 

$

3,986

 

Commercial paper

 

 

19,151

 

 

 

—

 

 

 

—

 

 

 

19,151

 

Government securities

 

 

11,919

 

 

 

—

 

 

 

(4

)

 

 

11,915

 

Total marketable securities

 

$

35,057

 

 

$

—

 

 

$

(5

)

 

$

35,052

 

Total cash equivalents and marketable securities

 

$

74,064

 

 

$

—

 

 

$

(5

)

 

$

74,059