Annual report pursuant to Section 13 and 15(d)

Income Tax - Summary of reconciliation of the federal income tax rate (Detail)

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Income Tax - Summary of reconciliation of the federal income tax rate (Detail)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Statutory federal income tax rate 21.00% 21.00%
State taxes, net of federal tax benefit 0.00% 0.00%
Permanent Book/Tax Differences (29.30%) (20.50%)
Change in valuation allowance 8.50% (0.50%)
Other (0.20%)  
Income tax provision 0.00% 0.00%