XML 93 R37.htm IDEA: XBRL DOCUMENT
v3.21.1

Summary of Significant Accounting Policies - Schedule of Currency Exchange Rates (Details) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Year-End Spot Rate US$1=RMB [Member] |  |
Foreign exchange rate | 6.5250 | 6.9618
Average Rate US$1=RMB [Member] |  |
Foreign exchange rate | 6.9042 | 6.9081

X
- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901 + Details
Name: | us-gaap_ForeignCurrencyExchangeRateTranslation1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_AwardTypeAxis=WETH_YearEndSpotRateUSOneRMBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=WETH_AverageRateUS1RMBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |