Quarterly report [Sections 13 or 15(d)]

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

v3.25.1
Stockholders' Equity - Significant Option Groups Outstanding and Exercisable Option and its Price and Contractual Life (Detail)
3 Months Ended
Feb. 28, 2025
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, Outstanding | shares 551,878
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 1 month 17 days
Outstanding, Weighted Average Exercise Price $ 6.87
Exercisable, Outstanding | shares 417,529
Exercisable, Weighted Average Exercise Price $ 6.8
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 15,000
Outstanding, Weighted Average Remaining Contractual Life (Years) 9 months 21 days
Outstanding, Weighted Average Exercise Price $ 3.09
Exercisable, Outstanding | shares 15,000
Exercisable, Weighted Average Exercise Price $ 3.09
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 113,600
Outstanding, Weighted Average Remaining Contractual Life (Years) 3 years 4 months 20 days
Outstanding, Weighted Average Exercise Price $ 4.74
Exercisable, Outstanding | shares 97,299
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) 5 years 5 months 1 day
Outstanding, Weighted Average Exercise Price $ 5.86
Exercisable, Outstanding | shares 23,080
Exercisable, Weighted Average Exercise Price $ 5.87
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) 4 years 3 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) 4 years 2 months 26 days
Outstanding, Weighted Average Exercise Price $ 7.52
Exercisable, Outstanding | shares 155,825
Exercisable, Weighted Average Exercise Price $ 7.53
Range 6 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 8.01
Range of Exercise Prices Maximum $ 9
Outstanding, Outstanding | shares 75,000
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 10 months 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) 3 years 7 days
Outstanding, Weighted Average Exercise Price $ 9.37
Exercisable, Outstanding | shares 23,300
Exercisable, Weighted Average Exercise Price $ 9.35
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) 5 years 8 months 4 days
Outstanding, Weighted Average Exercise Price $ 12.54
Exercisable, Outstanding | shares 16,100
Exercisable, Weighted Average Exercise Price $ 12.54