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Fair Value Measurement (Tables)
9 Months Ended
Sep. 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 September 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$31,481 $— $— $78,098 $— $— 
Corporate bonds— 9,178 — — 16,479 — 
Government securities - U.S.— 3,458 — — 9,471 — 
Other fixed-income securities— 1,643 — — 2,465 — 
Total assets$31,481 $14,279 $— $78,098 $28,415 $—