Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Taxes [Abstract]

Schedule of loss before provision for income taxes

	December 31, 2019			December 31, 2020			December 31, 2021
Domestic(USA)	$	(3,030	)	$	(3,584	)	$	(98,821	)
Foreign		(56,444	)		(30,040	)		(107,662	)
Loss before income tax	$	(59,474	)	$	(33,624	)	$	(206,483	)

Schedule of current and deferred components of the income tax expense

	December 31, 2019		December 31, 2020		December 31, 2021
Current tax expenses:
Domestic	$	—	$	—	$	—
Foreign		189		1		—
Total current tax expense		189		1		—
Deferred tax expense:
Domestic		—		—		—
Foreign		—		—		—
Total current tax expense		—		—		—
Total provision for income taxes	$	189	$	1	$	—

Schedule of deferred tax assets

	December 31, 2020			December 31, 2021
Deferred tax assets:
Net operating loss carry-forwards	$	28,484		$	38,858
Allowance for doubtful accounts and inventory provision		3,443			4,712
Product warranty		2,903			8,769
Impairment of property, plant and equipment		821			1,210
Deferred income		216			392
Accrued expense		805			239
Others		615			920
Less: valuation allowance		(37,287	)		(55,100	)
Net deferred tax assets	$	—		$	—

Schedule of valuation allowance

	December 31, 2019			December 31, 2020			December 31, 2021
Balance at beginning of the period	$	19,503		$	30,857		$	37,287
Additions		11,649			7,402			17,912
Reversal		(295	)		(972	)		(99	)
Balance at end of the period	$	30,857		$	37,287		$	55,100

Schedule of reconciliation between the income tax expense

	December 31, 2019			December 31, 2020			December 31, 2021
Loss before income tax	$	(59,474	)	$	(33,624	)	$	(206,483	)
Tax credit at the U.S. federal corporate income tax rate of 21%		(12,490	)		(7,061	)		(43,361	)
Tax effect of permanent differences – Share-based compensation		—			—			17,408
Tax effect of permanent differences – Others		(2,961	)		(2,152	)		(1,411	)
Tax effect of income tax rate difference in other jurisdictions		4,076			2,511			6,287
Changes in valuation allowance		11,669			6,702			21,077
Others		(105	)		1			—
Income tax expense	$	189		$	1		$	—