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Accrued Expenses and Other Current Liabilities | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Accrued Expenses and Other Current Liabilities [Abstract] |  |
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES | NOTE 5. ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
|  | December 31, 2021 |  | March 31, 2022
Product warranty, current |  | $ | 20,922 |  | $ | 17,420
Payables for purchase of property, plant and equipment |  |  | 18,500 |  |  | 20,313
Other current liabilities |  |  | 10,636 |  |  | 10,817
Accrued payroll and welfare |  |  | 3,476 |  |  | 3,763
Accrued expenses |  |  | 2,444 |  |  | 3,101
Interest payable |  |  | 1,836 |  |  | 2,503
Other tax payable |  |  | 926 |  |  | 1,009
Operating lease liabilities, current |  |  | — |  |  | 2,177
Total |  | $ | 58,740 |  | $ | 61,103
| 10. ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
|  | December 31, 2020 |  | December 31, 2021
Product warranty |  | $ | 4,296 |  | $ | 20,922
Payables for purchase of property, plant and equipment |  |  | 15,122 |  |  | 18,500
Other current liabilities |  |  | 3,959 |  |  | 10,636
Accrued payroll and welfare |  |  | 2,704 |  |  | 3,476
Accrued expenses |  |  | 1,696 |  |  | 2,444
Interest payable |  |  | 1,379 |  |  | 1,836
Other tax payable |  |  | 1,472 |  |  | 926
Payables to exiting investors(a) |  |  | 30,000 |  |  | —
Total |  | $ | 60,628 |  | $ | 58,740
(a) The payables to exiting investors represents the amount for the redemption of the shares owned by certain noncontrolling shareholders of a subsidiary, which was paid out as of December 31, 2021. See Note 18.

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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References No definition available. + Details
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