Annual report pursuant to Section 13 and 15(d)

Patent Option Agreement and Subsequent Event - Additional Information (Detail)

v3.20.4
Patent Option Agreement and Subsequent Event - Additional Information (Detail) - USD ($)
 12 Months Ended
Feb. 23, 2021
Dec. 01, 2020
Jun. 30, 2020
Nov. 30, 2020
Nov. 30, 2019
Patent Option Agreement [Line Items]          
Long-term line of credit     $ 350,000    
Line of credit facility     $ 150,000    
Revenue       $ 31,147,593 $ 31,816,571
Subsequent Event [Member]          
Patent Option Agreement [Line Items]          
Line of credit facility   $ 150,000      
Subsequent Event [Member] | Duke University [Member]          
Patent Option Agreement [Line Items]          
License fee payable   $ 12,000,000      
Milestone payments first phase III clinical trial $ 2,000,000        
Subsequent Event [Member] | Duke University [Member] | 5.0% upon Execution of the Agreement [Member] | Fully Diluted Equity Ownership          
Patent Option Agreement [Line Items]          
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage 5.00%        
Subsequent Event [Member] | Duke University [Member] | 2.5% Market Cap [Member] | Fully Diluted Equity Ownership          
Patent Option Agreement [Line Items]          
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage 2.50%        
Subsequent Event [Member] | Duke University [Member] | Licensed Product and Licensed Process [Member]          
Patent Option Agreement [Line Items]          
Royalties Term 15 years        
Subsequent Event [Member] | Duke University [Member] | Licensed Product and Licensed Process [Member] | 2.5% Upon Cumulative Net Sales [Member] | Fully Diluted Equity Ownership          
Patent Option Agreement [Line Items]          
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage 2.50%        
Revenue $ 10,000,000        
Subsequent Event [Member] | Duke University [Member] | Licensed Product and Licensed Process [Member] | 2.5% Upon Cumulative Net Sales [Member] | Fully Diluted Equity Ownership          
Patent Option Agreement [Line Items]          
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage 2.50%        
Revenue $ 75,000,000        
Subsequent Event [Member] | Duke University [Member] | Minimum [Member]          
Patent Option Agreement [Line Items]          
Royalties Percentage Portion of Net Sales 7.00%        
Subsequent Event [Member] | Duke University [Member] | Minimum [Member] | 2.5% Market Cap Triggers with 18 Months [Member] | Fully Diluted Equity Ownership          
Patent Option Agreement [Line Items]          
Average Closing Market Capital $ 300,000,000        
Subsequent Event [Member] | Duke University [Member] | Minimum [Member] | 2.5% Market Cap Triggers with 24 Months [Member] | Fully Diluted Equity Ownership          
Patent Option Agreement [Line Items]          
Average Closing Market Capital $ 500,000,000        
Subsequent Event [Member] | Duke University [Member] | Maximum [Member]          
Patent Option Agreement [Line Items]          
Royalties Percentage Portion of Net Sales 12.50%        
Subsequent Event [Member] | Within Fourteen (14) days of February 23, 2021 | Duke University [Member]          
Patent Option Agreement [Line Items]          
License fee payable $ 5,000,000        
Subsequent Event [Member] | First Anniversary [Member] | Duke University [Member]          
Patent Option Agreement [Line Items]          
License fee payable 5,000,000        
Subsequent Event [Member] | Second Anniversary [Member] | Duke University [Member]          
Patent Option Agreement [Line Items]          
License fee payable 2,000,000        
Minimum Annual Royalties Due Year Two 500,000        
Minimum Annual Royalties Due Year Three 1,000,000        
Minimum Annual Royalties Due Year Four 2,500,000        
Minimum Annual Royalties Due Year Five 5,000,000        
Minimum Annual Royalties Due After Year Five $ 5,000,000