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Fair Value Measurement (Details) - CNY (¥) ¥ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Liability:
Warrant		¥ 2,818
Fair value on recurring basis
Liability:
Warrant	¥ 0	2,818
Fair value on recurring basis | Level 1
Liability:
Warrant	0	0
Fair value on recurring basis | Level 2
Liability:
Warrant	0	0
Fair value on recurring basis | Level 3
Liability:
Warrant	¥ 0	¥ 2,818

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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- References

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