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Fair Value Measurements (Tables) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2022 | Dec. 31, 2021
Fair Value Measurements [Abstract] |  |
Schedule of financial assets and liabilities measured at fair value on a recurring basis |
|  | June 30, 2022 |
Description |  | Fair value |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Short-term equity investment |  | $ | 39 |  |  | $ | 39 |  |  | $ | - |  |  | $ | - |
|  | December 31, 2021 |
Description |  | Fair value |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Short-term equity investment |  | $ | 237 |  |  | $ | 237 |  |  | $ | - |  |  | $ | - |
|  | December 31, 2021 |
|  | Fair value measurements |
Description |  | Fair value |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Short-term investment |  | $ | 237 |  |  | $ | 237 |  |  | $ | - |  |  | $ | - |
|  | December 31, 2020 |
|  | Fair value measurements |
Description |  | Fair value |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Short-term investment |  | $ | 75 |  |  | $ | 75 |  |  | $ | - |  |  | $ | - |

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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 https://asc.fasb.org/extlink&oid=126976982&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 https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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