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Short-Term Loan | 3 Months Ended | 12 Months Ended
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Mar. 31, 2022 | Dec. 31, 2021
Debt Disclosure [Abstract] |  |
SHORT-TERM LOAN | 11. SHORT-TERM LOAN On February 18, 2020, the Company entered an unsecured loan agreement with a third-party in the amount of $100,000. This loan bears the interest rate of 1.5% per annum and will be matured on August 17, 2020. On August 18, 2020, the Company extended the contract for six months under the same term. On February 18, 2021, the Company extended the contract for six months under the same term. On August 26, 2021, the loan with interest has been repaid in full. Accrued interest expense were both $0 as of March 31, 2022 and December 31, 2021. | 11. SHORT-TERM LOAN On February 18, 2020, the Company entered an unsecured loan agreement with a third-party in the amount of $100,000. This loan bears the interest rate of 1.5% per annum and will be matured on August 17, 2020. On August 18, 2020, the Company extended the contract for six months under the same term. On February 18, 2021, the Company extended the contract for six months under the same term. On August 26, 2021, the loan with interest totaling $102,272 has been repaid in full. Accrued interest expense was $0 and $1,302 as of December 31, 2021 and 2020, respectively.

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- Definition The entire disclosure for short-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI https://asc.fasb.org/topic&trid=2208564 + Details
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