| Summary of Financial Assets Measured at Fair Value on Recurring Basis |
Fair value measurement as of June 30, 2023: | | | | | | | | | | | | | | | | | | Quoted prices in | | Significant other | | Significant | Financial assets | | | | | active markets for | | observable | | unobservable | | | | | | identical assets | | inputs | | inputs | Type of Instrument | | Total | | (Level 1) | | (Level 2) | | (Level 3) | Cash and cash equivalents: | | | | | | | | | | | | | Money market funds and checking accounts | | $ | 58,249 | | $ | 58,249 | | $ | — | | $ | — | Available-for-sale marketable securities: | | | | | | | | | | | | | U.S. government agency obligations | | | 9,003 | | | — | | | 9,003 | | | — | Corporate bonds | | | 19,675 | | | — | | | 19,675 | | | — | Municipal bonds | | | 14,817 | | | — | | | 14,817 | | | — | Restricted cash: | | | | | | | | | | | | | Commercial money market account | | | 1,908 | | | 1,908 | | | — | | | — | Total financial assets | | $ | 103,652 | | $ | 60,157 | | $ | 43,495 | | $ | — |
Fair value measurement as of December 31, 2022: | | | | | | | | | | | | | | | | | | Quoted prices in | | Significant other | | Significant | Financial assets | | | | | active markets for | | observable | | unobservable | | | | | | identical assets | | inputs | | inputs | Type of Instrument | | Total | | (Level 1) | | (Level 2) | | (Level 3) | Cash and cash equivalents: | | | | | | | | | | | | | Money market funds and checking accounts | | $ | 63,741 | | $ | 63,741 | | $ | — | | $ | — | Available-for-sale marketable securities: | | | | | | | | | | | | | U.S. government agency obligations | | | 8,877 | | | — | | | 8,877 | | | — | Corporate bonds | | | 35,185 | | | — | | | 35,185 | | | — | Commercial paper | | | 26,875 | | | — | | | 26,875 | | | — | Municipal bonds | | | 22,071 | | | — | | | 22,071 | | | — | Restricted cash: | | | | | | | | | | | | | Commercial money market account | | | 408 | | | 408 | | | — | | | — | Total financial assets | | $ | 157,157 | | $ | 64,149 | | $ | 93,008 | | $ | — |
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