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v3.20.1

Other Non-Current Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Other Assets Noncurrent [Abstract] |
Summary of other non-current assets | The following is a summary of other non-current assets (in thousands):
|  | As of December 31, |
|  | 2018 |  |  | 2019 |  |  | 2019 |
|  | RMB |  |  | RMB |  |  | US$ |
Rental deposits |  |  | 8,355 |  |  |  | 8,330 |  |  |  | 1,197 |
Non-current portion of prepayments to suppliers and other business related expenses |  |  | 9,099 |  |  |  | 8,698 |  |  |  | 1,249 |
Long-term receivable from an unrelated party |  |  | 6,000 |  |  |  | — |  |  |  | — |
Others |  |  | — |  |  |  | 2,831 |  |  |  | 407 |
Total |  |  | 23,454 |  |  |  | 19,859 |  |  |  | 2,853 |

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- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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