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Convertible loans (Detail Textuals 1) ¥ in Thousands |  | 1 Months Ended |
--- | --- | --- | ---
Aug. 01, 2017 CNY (¥) Notes | Jun. 30, 2018 $ / shares shares | Dec. 31, 2017 CNY (¥)
Debt Instrument [Line Items] |  |  |
Carrying amount of Convertible loans |  |  | ¥ 41,165
August 2017 Promissory Notes |  |  |
Debt Instrument [Line Items] |  |  |
Number of Promissory Notes issued to investors | Notes | 4 |  |
Principal amount of convertible loans | ¥ 6,300 |  |
Term of debt instrument | 9 months |  |
Interest rate of convertible loans | 10.00% |  |
Debt conversion, description | The entire principal amount of the August 2017 Loan shall be converted into Series C-4 convertible redeemable preferred shares issued and sold at the closing of the Series C-4 convertible redeemable preferred shares, at the lower of: (1) US$200 million the post-money valuation at issuance of the Promissory Notes; or (2) the post-money valuation in the Series C-4 convertible redeemable preferred shares. |  |
Post-money valuation at issuance of Promissory Notes | ¥ 200,000 |  |
Carrying amount of Convertible loans |  |  | ¥ 41,200
August 2017 Promissory Notes | Series C-4 convertible redeemable preferred shares |  |  |
Debt Instrument [Line Items] |  |  |
Shares issued in conversion of convertible loans | shares |  | 7,569,628 |
Par value of preferred shares | $ / shares |  | $ 0.0001 |
Conversion price of convertible loan | $ / shares |  | $ 0.8323 |

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- Definition The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + 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(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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