XML 104 R12.htm IDEA: XBRL DOCUMENT
v3.20.1

INVENTORIES | 12 Months Ended
--- | ---
Dec. 31, 2019
INVENTORIES |
INVENTORIES | 5. INVENTORIES Inventories as of December 31, 2018 and 2019 were as follows:
|  | As of December 31,
|  | 2018 |  | 2019
Products |  | 210,836 |  | 486,271
Write-downs of nil and RMB 790 has been made to the inventories as of December 31, 2018 and 2019, respectively.

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration