Quarterly report pursuant to Section 13 or 15(d)

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

v3.24.2
Stockholders' Equity - Significant Option Groups Outstanding and Exercisable Option and its Price and Contractual Life (Detail)
6 Months Ended
May 31, 2024
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, Outstanding | shares 505,778
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 1 month 9 days
Outstanding, Weighted Average Exercise Price $ 7.14
Exercisable, Outstanding | shares 375,718
Exercisable, Weighted Average Exercise Price $ 7.5
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 25,000
Outstanding, Weighted Average Remaining Contractual Life (Years) 1 year 8 months 8 days
Outstanding, Weighted Average Exercise Price $ 3.13
Exercisable, Outstanding | shares 25,000
Exercisable, Weighted Average Exercise Price $ 3.13
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 123,600
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 1 month 2 days
Outstanding, Weighted Average Exercise Price $ 4.7
Exercisable, Outstanding | shares 78,665
Exercisable, Weighted Average Exercise Price $ 4.68
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 28,000
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 6 months 21 days
Outstanding, Weighted Average Exercise Price $ 5.88
Exercisable, Outstanding | shares 9,332
Exercisable, Weighted Average Exercise Price $ 5.88
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 89,433
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 10 months 28 days
Outstanding, Weighted Average Exercise Price $ 6.48
Exercisable, Outstanding | shares 39,430
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 149,645
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 10 months 9 days
Outstanding, Weighted Average Exercise Price $ 7.54
Exercisable, Outstanding | shares 142,443
Exercisable, Weighted Average Exercise Price $ 7.52
Range 6 [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 9 months 3 days
Outstanding, Weighted Average Exercise Price $ 9.37
Exercisable, Outstanding | shares 21,583
Exercisable, Weighted Average Exercise Price $ 9.37
Range 7 [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 16,653
Outstanding, Weighted Average Remaining Contractual Life (Years) 6 years 2 months 23 days
Outstanding, Weighted Average Exercise Price $ 12.54
Exercisable, Outstanding | shares 14,818
Exercisable, Weighted Average Exercise Price $ 12.55
Range 8 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 13.01
Range of Exercise Prices Maximum $ 14
Outstanding, Outstanding | shares 44,447
Outstanding, Weighted Average Remaining Contractual Life (Years) 6 months 21 days
Outstanding, Weighted Average Exercise Price $ 13.50
Exercisable, Outstanding | shares 44,447
Exercisable, Weighted Average Exercise Price $ 13.5