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Fair Value Measurement (Tables)
6 Months Ended
Jun. 30, 2022
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following table summarizes the financial instruments measured at fair value on a recurring basis classified in the fair value hierarchy (Level 1, 2 or 3) based on the inputs used for valuation in the accompanying unaudited condensed consolidated balance sheets:

As of June 30, 2022As of December 31, 2021
Fair Value Measurements:Level 1Level 2Level 3Level 1Level 2Level 3
Marketable securities (see Note 3)
Mutual and money market funds$35,094 $— $— $78,098 $— $— 
Corporate bonds— 9,403 — — 16,479 — 
Government securities - U.S.— 3,766 — — 9,471 — 
Other fixed-income securities— 1,730 — — 2,465 — 
Total assets$35,094 $14,899 $— $78,098 $28,415 $—