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Prepayments and other current assets | 6 Months Ended
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Jun. 30, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Prepayments and other current assets | 4 Prepayments and other current assets Prepayments and other current assets consist of the following:
|  |  |  |  | As of |
|  |  |  |  | December 31, 2020 |  |  | June 30, 2021 |
|  |  |  |  | RMB |  |  | RMB |  |  | US$ |
Prepaid service fee |  |  |  |  |  |  | 12,028 |  |  |  | 8,389 |  |  |  | 1,299 |
Investment in a convertible loan |  |  |  |  |  |  | — |  |  |  | 4,223 |  |  |  | 654 |
VAT and other surcharges |  |  |  |  |  |  | 10,467 |  |  |  | 10,336 |  |  |  | 1,601 |
Office rental deposit |  |  |  |  |  |  | 636 |  |  |  | 342 |  |  |  | 53 |
Receivables from sales of shares on behalf of employees |  |  |  |  |  |  | 11,060 |  |  |  | 364 |  |  |  | 56 |
Refund from prepaid media cost |  |  |  |  |  |  | 6,838 |  |  |  | 1,095 |  |  |  | 170 |
Receivables on behalf of third party advertising companies |  |  | (i | ) |  |  | — |  |  |  | 16,966 |  |  |  | 2,628 |
Loans granted to equity investees |  |  | (ii | ) |  |  | 500 |  |  |  | 3,500 |  |  |  | 542 |
Others |  |  |  |  |  |  | 7,484 |  |  |  | 6,252 |  |  |  | 968 |
Total prepayments and other current assets |  |  |  |  |  |  | 49,013 |  |  |  | 51,467 |  |  |  | 7,971 |
(i) | Starting from January 1, 2021, the Company has fully exited the Targeted Marketing business and this balance represents the receivables the Company acts as agent and collects on behalf of third party advertising companies for targeted marketing related services.
(ii) | As of December 31, 2020, under prepayments and other current assets includes the impairment charges of RMB4,500 that the Company recognized on loans granted to equity investees. No impairment charges were recognized on loans granted to equity investees for the six months ended June 30, 2021. The Company evaluates the impairment of the equity investments without readily determinable fair value along with loans the Company granted to those investees.

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- Definition The entire disclosure for other current assets. + References No definition available. + Details
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