| Schedule of Fair Value Assets Measured on Recurring Basis |
The following table details the fair value hierarchy of the Company's financial assets measured at fair value on a recurring basis as of September 30, 2021: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using: | | | Fair Value | | Quoted Prices in Active Markets for Identical Assets
(Level I) | | Significant Other Observable Inputs
(Level II) | | Significant Unobservable Inputs
(Level III) | | Assets | | | | | | | | | | Cash Equivalents: | | | | | | | | | | Money market funds | | $ | 176,144 | | | $ | 176,144 | | | $ | — | | | $ | — | | | Certificates of deposit | | 25,076 | | | — | | | 25,076 | | | — | | | | | | | | | | | | | | | | | | | | | | $ | 201,220 | | | $ | 176,144 | | | $ | 25,076 | | | $ | — | | | | | | | | | | | | | | | | | | | | | Investments: | | Fair Value | | Quoted Prices in Active Markets for Identical Assets
(Level I) | | Significant Other Observable Inputs
(Level II) | | Significant Unobservable Inputs
(Level III) | | Corporate bonds and commercial paper | | $ | 36,466 | | | $ | — | | | $ | 36,466 | | | $ | — | | | Certificates of deposit | | 12,161 | | | — | | | 12,161 | | | — | | | U.S. government securities | | 51,178 | | | — | | | 51,178 | | | — | | | | $ | 99,805 | | | $ | — | | | $ | 99,805 | | | $ | — | | | | | | | | | | | | | | | | | | | |
The following table details the fair value hierarchy of the Company's financial assets measured at fair value on a recurring basis as of December 31, 2020: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using: | | | Fair Value | | Quoted Prices in Active Markets for Identical Assets
(Level I) | | Significant Other Observable Inputs
(Level II) | | Significant Unobservable Inputs
(Level III) | | Assets | | | | | | | | | | Cash Equivalents: | | | | | | | | | | Money market funds | | $ | 188,469 | | | $ | 188,469 | | | $ | — | | | $ | — | | | Certificates of deposits | | 25,028 | | | — | | | 25,028 | | | — | | | Corporate bonds and commercial paper | | 996 | | | — | | | 996 | | | — | | | U.S. government securities | | 19,999 | | | — | | | 19,999 | | | — | | | | $ | 234,492 | | | $ | 188,469 | | | $ | 46,023 | | | $ | — | | | | | | | | | | | | | | | | | | | | | Investments: | | Fair Value | | Quoted Prices in Active Markets for Identical Assets
(Level I) | | Significant Other Observable Inputs
(Level II) | | Significant Unobservable Inputs
(Level III) | | | | | | | | | | | Corporate bonds and commercial paper | | $ | 31,239 | | | $ | — | | | $ | 31,239 | | | $ | — | | | Certificates of deposit | | 10,007 | | | — | | | 10,007 | | | — | | | U.S. government securities | | 90,106 | | | — | | | 90,106 | | | — | | | | $ | 131,352 | | | $ | — | | | $ | 131,352 | | | $ | — | | | | | | | | | | | | | | | | | | | |
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