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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Schedule of Financial Assets and Liabilities Measured at Fair Value

The following tables present information about the Company’s financial assets and liabilities that have been measured at fair value as of December 31, 2017 and 2016, and indicates the fair value hierarchy of the valuation inputs utilized to determine such fair value (in thousands):

 

 

 

December 31, 2017

 

 

 

Level 1

 

 

Level 2

 

 

Total

 

 

 

 

 

Money market funds

 

$

24,225

 

 

$

 

 

$

24,225

 

Corporate notes and obligations

 

 

 

 

 

38,020

 

 

 

38,020

 

U.S. government treasury securities

 

 

55,881

 

 

 

 

 

 

55,881

 

 

 

$

80,106

 

 

$

38,020

 

 

$

118,126

 

 

 

 

December 31, 2016

 

 

 

Level 1

 

 

Level 2

 

 

Total

 

 

 

 

 

Money market funds

 

$

18,029

 

 

$

 

 

$

18,029

 

Corporate notes and obligations

 

 

 

 

 

33,840

 

 

 

33,840

 

U.S. government treasury securities

 

 

41,347

 

 

 

 

 

 

41,347

 

 

 

$

59,376

 

 

$

33,840

 

 

$

93,216