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Fair Value of Financial Instruments (Tables)
 9 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis
The table below presents information about the Company’s assets and liabilities measured at fair value on a recurring basis:
 
Total Fair
Value
 
Level 1
 
Level 2
 
Level 3
September 30, 2017
(in thousands)
Money market funds
$
6,565

 
$
6,565

 
$
—

 
$
—

 
$
6,565

 
$
6,565

 
$
—

 
$
—

December 31, 2016
 
 
 
 
 
 
 
Money market funds
$
3,565

 
$
3,565

 
$
—

 
$
—

 
$
3,565

 
$
3,565

 
$
—

 
$
—