Income Taxes - Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating losses	$ 85,574	$ 52,330
Fixed assets	1,700	528
Accruals & reserves	4,131	2,786
Credits	2,865	1,222
Section 59(e) Capitalized expenses	2,984	3,381
Accrued manufacturing expenses	1,006	3,374
Lease Liability	6,674
Total	104,934	63,621
Deferred tax liabilities:
ROU asset	(8,349)
Total deferred tax liabilities	(8,349)
Net deferred tax asset	96,585	63,621
Valuation allowance	$ (96,585)	$ (63,621)

Deferred tax assets liabilities net before valuation allowance.

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Deferred tax assets tax accrued manufacturing expenses.

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Lease liability.

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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