v3.26.1
Note 2 - Marketable Securities - Summary of Available-for-sale Securities (Details) - USD ($)
$ in Thousands
Mar. 01, 2026
Nov. 30, 2025
Mar. 02, 2025
Available-for-sale securities $ 10,874 $ 10,874 $ 47,213
Fair Value, Inputs, Level 1 [Member]      
Available-for-sale securities 10,874   47,213
Fair Value, Inputs, Level 2 [Member]      
Available-for-sale securities 0   0
Fair Value, Inputs, Level 3 [Member]      
Available-for-sale securities 0   0
US Treasury and Government [Member]      
Available-for-sale securities 10,874   47,213
US Treasury and Government [Member] | Fair Value, Inputs, Level 1 [Member]      
Available-for-sale securities 10,874   47,213
US Treasury and Government [Member] | Fair Value, Inputs, Level 2 [Member]      
Available-for-sale securities 0   0
US Treasury and Government [Member] | Fair Value, Inputs, Level 3 [Member]      
Available-for-sale securities $ 0   $ 0