XML 79 R68.htm IDEA: XBRL DOCUMENT v3.23.1
Stockholders' Equity - Schedule of Significant Assumptions Used in Option-pricing Model to Fair Value Options Granted (Detail) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Risk-free rate   1.58%
Expected life   10 years
Expected volatility   123.42%
Cost of Equity   15.56%
Price Hurdle   $ 12.00
Director [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Risk-free rate   1.23%
Risk-free rate, Minimum 3.53%  
Risk-free rate, Maximum 3.83%  
Expected life 10 years 5 years 4 months 13 days
Expected volatility 119.00% 128.00%