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Organization and Summary of Significant Accounting Policies - Reconciliation of Segment Net Loss to Consolidated Net Loss (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]    
Revenues   $ 1,000,000
Research, development and patents $ 7,194,731 5,657,895
General and administrative 5,480,600 5,242,370
Total stock-based compensation 1,191,740 710,710
Total operating expenses 12,675,331 10,900,265
Operating loss (12,675,331) (9,900,265)
Interest income 1,670,804 1,834,665
Other expense, net 39,485 502,869
Income tax expense (5,537) (3,047)
Net loss (11,049,549) (8,571,516)
Research, Development and Patents    
Segment Reporting Information [Line Items]    
Total stock-based compensation 443,564 240,268
General and Administrative    
Segment Reporting Information [Line Items]    
Total stock-based compensation 748,176 470,442
Operating Segment | Reporting Segment    
Segment Reporting Information [Line Items]    
Revenues   1,000,000
Research, development and patents 6,751,167 5,417,627
General and administrative 4,732,424 4,771,928
Total operating expenses, excluding stock-based compensation 11,483,591 10,189,555
Total stock-based compensation 1,191,740 710,710
Total operating expenses 12,675,331 10,900,265
Operating loss (12,675,331) (9,900,265)
Interest income 1,670,804 1,834,665
Other expense, net (39,485) (502,869)
Income tax expense (5,537) (3,047)
Net loss (11,049,549) (8,571,516)
Operating Segment | Reporting Segment | Research, Development and Patents    
Segment Reporting Information [Line Items]    
Total stock-based compensation 443,564 240,268
Operating Segment | Reporting Segment | General and Administrative    
Segment Reporting Information [Line Items]    
Total stock-based compensation $ 748,176 $ 470,442