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)

v3.22.2.2
Stockholders' Equity - Significant Option Groups Outstanding and Exercisable Option and its Price and Contractual Life (Detail)
9 Months Ended
Aug. 31, 2022
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, Outstanding | shares 320,464
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 8 months 23 days
Outstanding, Weighted Average Exercise Price $ 8.42
Exercisable, Outstanding | shares 231,230
Exercisable, Weighted Average Exercise Price $ 7.27
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 $ 4.00
Outstanding, Outstanding | shares 30,000
Outstanding, Weighted Average Remaining Contractual Life (Years) 2 years 11 months 26 days
Outstanding, Weighted Average Exercise Price $ 3.13
Exercisable, Outstanding | shares 30,000
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 6.01
Range of Exercise Prices Maximum $ 7.00
Outstanding, Outstanding | shares 3,833
Outstanding, Weighted Average Remaining Contractual Life (Years) 3 years 10 months 2 days
Outstanding, Weighted Average Exercise Price $ 6.52
Exercisable, Outstanding | shares 3,833
Exercisable, Weighted Average Exercise Price $ 6.52
Range 3 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 7.01
Range of Exercise Prices Maximum $ 8.00
Outstanding, Outstanding | shares 196,531
Outstanding, Weighted Average Remaining Contractual Life (Years) 5 years 1 month 28 days
Outstanding, Weighted Average Exercise Price $ 7.63
Exercisable, Outstanding | shares 179,879
Exercisable, Weighted Average Exercise Price $ 7.60
Range 4 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 9.01
Range of Exercise Prices Maximum $ 10.00
Outstanding, Outstanding | shares 29,000
Outstanding, Weighted Average Remaining Contractual Life (Years) 5 years 6 months 3 days
Outstanding, Weighted Average Exercise Price $ 9.37
Exercisable, Outstanding | shares 7,800
Exercisable, Weighted Average Exercise Price $ 9.36
Range 5 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 12.01
Range of Exercise Prices Maximum $ 13.00
Outstanding, Outstanding | shares 16,653
Outstanding, Weighted Average Remaining Contractual Life (Years) 7 years 11 months 23 days
Outstanding, Weighted Average Exercise Price $ 12.54
Exercisable, Outstanding | shares 9,718
Exercisable, Weighted Average Exercise Price $ 12.63
Range 6 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Prices Minimum 13.01
Range of Exercise Prices Maximum $ 14.00
Outstanding, Outstanding | shares 44,447
Outstanding, Weighted Average Remaining Contractual Life (Years) 2 years 3 months 21 days
Outstanding, Weighted Average Exercise Price $ 13.50
Exercisable, Outstanding | shares 0
Exercisable, Weighted Average Exercise Price $ 0.00