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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.