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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2020
Fair Value Disclosures [Abstract]  
Schedule of assets measured at fair value on recurring basis
The following tables present financial assets and liabilities at September 30, 2020 and December 31, 2019 for which the Company measures fair value on a recurring basis, by level, within the fair value hierarchy:

September 30, 2020TotalLevel 1Level 2Level 3Valuation
Technique
Assets
Money market mutual funds$7,507 $7,507 $— $— (a)
United States treasuries14,995 14,995 — — (a)
December 31, 2019TotalLevel 1Level 2Level 3Valuation
Technique
Assets
Money market mutual funds$29,907 $29,907 $— $— (a)
(a)Market approach—prices and other relevant information generated by market transactions involving identical or comparable assets.