Annual report [Section 13 and 15(d), not S-K Item 405]

Stockholders' Equity - Significant Option Groups Outstanding and Exercisable Option and its Price and Contractual Life (Detail)

v3.25.4
Stockholders' Equity - Significant Option Groups Outstanding and Exercisable Option and its Price and Contractual Life (Detail)
12 Months Ended
Nov. 30, 2025
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, Outstanding | shares 554,978
Outstanding, Weighted Average Remaining Contractual Life (Years) 3 years 6 months 21 days
Outstanding, Weighted Average Exercise Price $ 6.87
Exercisable, Outstanding | shares 426,831
Exercisable, Weighted Average Exercise Price $ 6.89
Range 1 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 3.01
Range of Exercise Prices Maximum $ 4
Outstanding, Outstanding | shares 7,500
Outstanding, Weighted Average Remaining Contractual Life (Years) 6 months 3 days
Outstanding, Weighted Average Exercise Price $ 3.1
Exercisable, Outstanding | shares 7,500
Exercisable, Weighted Average Exercise Price $ 3.1
Range 2 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 4.01
Range of Exercise Prices Maximum $ 5
Outstanding, Outstanding | shares 124,200
Outstanding, Weighted Average Remaining Contractual Life (Years) 3 years 3 months 3 days
Outstanding, Weighted Average Exercise Price $ 4.7
Exercisable, Outstanding | shares 99,065
Exercisable, Weighted Average Exercise Price $ 4.74
Range 3 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 5.01
Range of Exercise Prices Maximum $ 6
Outstanding, Outstanding | shares 38,600
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 8 months 4 days
Outstanding, Weighted Average Exercise Price $ 5.86
Exercisable, Outstanding | shares 29,264
Exercisable, Weighted Average Exercise Price $ 5.86
Range 4 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 6.01
Range of Exercise Prices Maximum $ 7
Outstanding, Outstanding | shares 86,933
Outstanding, Weighted Average Remaining Contractual Life (Years) 3 years 6 months 18 days
Outstanding, Weighted Average Exercise Price $ 6.47
Exercisable, Outstanding | shares 61,928
Exercisable, Weighted Average Exercise Price $ 6.48
Range 5 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 7.01
Range of Exercise Prices Maximum $ 8
Outstanding, Outstanding | shares 177,645
Outstanding, Weighted Average Remaining Contractual Life (Years) 3 years 5 months 26 days
Outstanding, Weighted Average Exercise Price $ 7.52
Exercisable, Outstanding | shares 158,977
Exercisable, Weighted Average Exercise Price $ 7.54
Range 6 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 8
Range of Exercise Prices Maximum $ 9
Outstanding, Outstanding | shares 75,000
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 1 month 24 days
Outstanding, Weighted Average Exercise Price $ 8.09
Exercisable, Outstanding | shares 24,997
Exercisable, Weighted Average Exercise Price $ 8.09
Range 7 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 9.01
Range of Exercise Prices Maximum $ 10
Outstanding, Outstanding | shares 29,000
Outstanding, Weighted Average Remaining Contractual Life (Years) 2 years 3 months 7 days
Outstanding, Weighted Average Exercise Price $ 9.37
Exercisable, Outstanding | shares 29,000
Exercisable, Weighted Average Exercise Price $ 9.37
Range 8 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 12.01
Range of Exercise Prices Maximum $ 13
Outstanding, Outstanding | shares 16,100
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 11 months 4 days
Outstanding, Weighted Average Exercise Price $ 12.54
Exercisable, Outstanding | shares 16,100
Exercisable, Weighted Average Exercise Price $ 12.54