Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.20.2
Fair Value Measurements (Details) - Money Market Funds [Member] - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Summary of financial instruments measured at fair value on a recurring basis    
Money market funds $ 51,488 $ 71,248
Level 1 [Member]    
Summary of financial instruments measured at fair value on a recurring basis    
Money market funds $ 51,488 $ 71,248