Income Taxes - Significant Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Employee compensation accruals	$ 2,772	$ 1,777
Accrued liabilities	197	29
Research tax credits	1,429	721
Lease obligation	38	107
Other	160	89
Research expense capitalization	3,203	0
Net operating losses	24,595	20,520
Total deferred tax assets	32,394	23,243
Deferred tax liabilities:
Right of use asset	50	118
Total deferred tax liabilities	50	118
Valuation allowance	32,344	23,125	$ 21,332
Net deferred tax assets	$ 0	$ 0

Deferred tax assets deferred expense capitalized research and development costs.

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Deferred tax assets lease obligations.

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Deferred tax liabilities right of use asset.

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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, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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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 allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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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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