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Cash and Cash Equivalents - Schedule of Cash and Cash Equivalents by Significant Investment Category (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Cash And Cash Equivalents And Short Term Investments [Line Items] |  |
Cash | $ 3,277 | $ 3,702
Cash and cash equivalents and Short term investments, Amortized cost | 9,448 | 14,511
Cash equivalents | 9,448 | 14,511
Cash equivalents | 9,448 | 14,511
Money Market Funds | Level 1 |  |
Cash And Cash Equivalents And Short Term Investments [Line Items] |  |
Cash equivalents | 6,171 | 10,809
Cash equivalents | 6,171 | 10,809
Cash equivalents | $ 6,171 | $ 10,809

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=118262064&loc=SL116631418-115840 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 45 -Paragraph 21 -URI https://asc.fasb.org/extlink&oid=118262064&loc=SL116631419-115840 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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