XML 92 R13.htm IDEA: XBRL DOCUMENT
v3.20.1

PREPAYMENT AND OTHER CURRENT ASSETS | 12 Months Ended
--- | ---
Dec. 31, 2019
PREPAYMENT AND OTHER CURRENT ASSETS |
PREPAYMENT AND OTHER CURRENT ASSETS | 6. PREPAYMENT AND OTHER CURRENT ASSETS Prepayment and other current assets, as of December 31, 2018 and 2019 were as follows:
|  | As of December 31,
|  | 2018 |  | 2019
Value added tax recoverable |  | 70,908 |  | 112,362
Rebate receivable from suppliers |  | 58,827 |  | 57,749
Deposits (Note) |  | 11,602 |  | 8,831
Advance to suppliers |  | 3,315 |  | 14,807
Prepaid IT & Insurance expense |  | 5,034 |  | 7,249
Interest receivable |  | 2,124 |  | 612
Others |  | 9,337 |  | 6,994
Total |  | 161,147 |  | 208,604
Note: Deposits consist of amounts paid to certain vendors for advertising and rentals utilized within one year.

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

X
- Definition The entire disclosure of prepayments and other current assets that provide economic benefits within a future period of one year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | yi_PrepaymentAndOtherCurrentAssetsTextBlock
Namespace Prefix: | yi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration