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Fair Value (Tables) | 9 Months Ended
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Oct. 02, 2021
Fair Value Disclosures [Abstract] |
Schedule of fair value measurements | The following table presents the items measured at fair value as of October 2, 2021 and December 31, 2020:
|  | Fair Value
|  | October 2, 2021 |  | December 31, 2020 |
Cash and cash equivalents: |  |  |  |  |
Money market fund (Level 1) |  | $ | — |  |  | 197,835 |  |
Short-term investments: |  |  |  |  |
Short-term investments (Level 1) (1) |  | — |  |  | 571,741 |  |
(1) The Company’s short-term investments at December 31, 2020 consisted of short-duration bond funds and managed income funds that are designed to deliver current income consistent with the preservation of capital through investing in high-and medium grade fixed income securities. The investments were readily convertible into cash.

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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