Income Taxes - Effective Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Increase (Decrease) in Tax Rate:
Statutory rate	21.00%	21.00%
State tax	(12.20%)	1.10%
Foreign tax	0.60%	0.00%
Warrants and other equity items	(65.30%)	(28.70%)
Valuation allowance	46.80%	6.40%
Other	0.50%	0.70%
Foreign rate differential	0.60%	(0.20%)
Stock-based compensation	3.20%	(0.30%)
Effective income tax rate	(4.80%)	0.00%
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Statutory rate	$ 4,769	$ 16,500
State tax	(2,761)	875
Foreign tax	139	0
Warrants and other equity items	(14,808)	(22,559)
Valuation allowance	10,629	5,040
Other	98	502
Foreign rate differential	128	(148)
Stock-based compensation	719	(207)
Total tax expenses	$ (1,087)	$ 3

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Income Tax Expense (Income)

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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