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Significant Accounting Policies (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Accounting Policies [Abstract] |  |
Schedule of property, plant and equipment are carried at cost less accumulated depreciation |  |
Buildings |  | 20 years
Machineries and equipment |  | 10 years
Fixtures and electronic equipment |  | 4 – 5 years
Motor vehicles |  | 5 years
Leasehold improvements |  | Shorter of the lease term or estimated useful lives
Schedule of net revenues from customers |  |
|  | December 31, 2019 |  | December 31, 2020 |  | December 31, 2021
Percentage of revenue contributed by Customer A |  | 11 | % |  | — |  | — |
Percentage of revenue contributed by Customer B |  | — |  |  | — |  | 11 | %
Schedule of accounts receivable from customers |  |
|  | December 31, 2020 |  | December 31, 2021
Percentage of accounts receivable from Customer C |  | 10 | % |  | 18 | %
Disaggregation of Revenue |
|  | Three Months Ended March 31,
|  | 2021 |  | 2022
China and Asia & Pacific |  | $ | 12,484 |  | $ | 33,242
Europe |  |  | 2,327 |  |  | 2,751
USA |  |  | 127 |  |  | 675
Total |  | $ | 14,938 |  | $ | 36,668

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of public utility physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation expense and method used, including composite depreciation, and accumulated depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=84167750&loc=d3e42232-110370 + Details
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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 + Details
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