Income Taxes - Summary of Significant Components of Deferred Tax Assets (Detail) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Stock compensation expense	$ 1,839,000	$ 1,825,000
Capitalized R&D- 174	161,000	125,000
Lease liability		29,000
Accruals and other	294,000	136,000
Total deferred tax assets	2,294,000	2,115,000
Deferred tax liabilities:
Right of use asset		(29,000)
Total deferred tax liabilities		(29,000)
Less valuation allowance	$ (2,294,000)	$ (2,086,000)