Annual report pursuant to Section 13 and 15(d)

Note 5 - Marketable Securities - Schedule of Fair Value Measurement (Details)

v3.25.0.1
Note 5 - Marketable Securities - Schedule of Fair Value Measurement (Details) - USD ($)
$ in Thousands
Nov. 30, 2024
Nov. 30, 2023
Fair value $ 8,921  
Corporate Debt Securities [Member]    
Fair value 2,968  
US Treasury Securities [Member]    
Fair value 5,953  
Reported Value Measurement [Member]    
Cash equivalents 11,304 $ 16,324
Total 20,160 16,324
Reported Value Measurement [Member] | Corporate Debt Securities [Member]    
Fair value 2,950 0
Reported Value Measurement [Member] | US Treasury Securities [Member]    
Fair value 5,906 0
Estimate of Fair Value Measurement [Member]    
Cash equivalents 11,304 16,324
Total 20,225 16,324
Estimate of Fair Value Measurement [Member] | Corporate Debt Securities [Member]    
Fair value 2,968 0
Estimate of Fair Value Measurement [Member] | US Treasury Securities [Member]    
Fair value 5,953 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]    
Cash equivalents 11,304 16,324
Total 11,304 16,324
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member]    
Fair value 0 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | US Treasury Securities [Member]    
Fair value 0 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]    
Cash equivalents 0 0
Total 8,921 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member]    
Fair value 2,968 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | US Treasury Securities [Member]    
Fair value 5,953 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]    
Cash equivalents 0 0
Total 0 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member]    
Fair value 0 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | US Treasury Securities [Member]    
Fair value $ 0 $ 0