XML 29 R12.htm IDEA: XBRL DOCUMENT
v3.22.1

Restricted Cash | 12 Months Ended
--- | ---
Dec. 31, 2021
Cash And Cash Equivalents [Abstract] |
RESTRICTED CASH |
5. | RESTRICTED CASH
As of December 31, 2020 and 2021, the Group held restricted cash of RMB70 ,601 and RMB35,831 respectively in designated bank accounts for issuance of bank acceptance notes.

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

X
- Definition Restricted cash. + References No definition available. + Details
Name: | viot_RestrictedCashDisclosureTextBlock
Namespace Prefix: | viot_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration