Annual report pursuant to Section 13 and 15(d)

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

v3.22.4
Stockholders' Equity - Significant Option Groups Outstanding and Exercisable Option and its Price and Contractual Life (Detail)
12 Months Ended
Nov. 30, 2022
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, Outstanding | shares 329,314
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 8 months 4 days
Outstanding, Weighted Average Exercise Price $ 8.36
Exercisable, Outstanding | shares 233,828
Exercisable, Weighted Average Exercise Price $ 7.28
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 8 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 14,433
Outstanding, Weighted Average Remaining Contractual Life (Years) 8 years 2 months 8 days
Outstanding, Weighted Average Exercise Price $ 6.50
Exercisable, Outstanding | shares 5,599
Exercisable, Weighted Average Exercise Price $ 6.51
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 194,781
Outstanding, Weighted Average Remaining Contractual Life (Years) 4 years 11 months 15 days
Outstanding, Weighted Average Exercise Price $ 7.63
Exercisable, Outstanding | shares 179,479
Exercisable, Weighted Average Exercise Price $ 7.59
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 3 months 3 days
Outstanding, Weighted Average Exercise Price $ 9.37
Exercisable, Outstanding | shares 8,150
Exercisable, Weighted Average Exercise Price $ 9.35
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 8 months 23 days
Outstanding, Weighted Average Exercise Price $ 12.54
Exercisable, Outstanding | shares 10,600
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 21 days
Outstanding, Weighted Average Exercise Price $ 13.50
Exercisable, Outstanding | shares 0
Exercisable, Weighted Average Exercise Price $ 0.00