XML 31 R20.htm IDEA: XBRL DOCUMENT v3.8.0.1
Fair Value of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2018
Fair Value Disclosures [Abstract]  
Summary of Fair Value Hierarchy for Financial Assets

The Company’s fair value hierarchy for its cash equivalents and marketable securities as of March 31, 2018 and December 31, 2017, respectively, was as follows:

 

March 31, 2018

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Money market securities

 

$

1,082

 

 

$

 

 

$

 

 

$

1,082

 

Commercial paper

 

 

 

 

 

50,997

 

 

 

 

 

 

50,997

 

Federal agency notes

 

 

 

 

 

5,006

 

 

 

 

 

 

5,006

 

Corporate notes

 

 

 

 

 

3,744

 

 

 

 

 

 

3,744

 

U.S. treasuries

 

 

 

 

 

2,000

 

 

 

 

 

 

2,000

 

Total

 

$

1,082

 

 

$

61,747

 

 

$

 

 

$

62,829

 

 

December 31, 2017

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Money market securities

 

$

2,197

 

 

$

 

 

$

 

 

$

2,197

 

Commercial paper

 

 

 

 

 

49,834

 

 

 

 

 

 

49,834

 

Federal agency notes

 

 

 

 

 

10,715

 

 

 

 

 

 

10,715

 

U.S. treasuries

 

 

 

 

 

1,996

 

 

 

 

 

 

1,996

 

Corporate notes

 

 

 

 

 

1,934

 

 

 

 

 

 

1,934

 

Total

 

$

2,197

 

 

$

64,479

 

 

$

 

 

$

66,676

 

 

Summary of Fair Value Maturities for Financial Asset

The fair value maturities of the Company’s cash equivalents and marketable securities as of March 31, 2018 are as follows:

 

 

 

Maturities by Period

 

 

 

Total

 

 

Less than

1 year

 

 

1-5

years

 

 

5 - 10

years

 

 

More than

10 years

 

Cash equivalents and marketable securities

 

$

62,829

 

 

$

62,829

 

 

$

 

 

$

 

 

$