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Fair Value of Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2019
Fair Value of Financial Instruments  
Schedule of financial instruments measured at fair value by level within fair value hierarchy

Significant

Quoted Prices

other

Significant

in active

observable

unobservable

markets

inputs

inputs

September 30, 2019

    

Total

    

(Level 1)

    

(Level 2)

    

(Level 3)

Money market funds, included in cash equivalents

$

94,461

$

94,461

$

$

December 31, 2018

Money market funds, included in cash equivalents

$

92,914

$

92,914

$

$