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Income Taxes - Reconciliation of Federal Statutory Income Tax Rate and Effective Income Tax Rate (Detail)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Abstract]    
Federal statutory rate 21.00% 21.00%
Change in valuation allowance (3.00%)  
State income taxes, net of federal benefit 1.00% 2.00%
Removal of net operating losses and other credits (16.00%) (24.00%)
Impact of state tax rate change (1.00%) 1.00%
Stock compensation and other permanent items (2.00%)