Stockholders' Equity - Significant Option Groups Outstanding and Exercisable Option and its Price and Contractual Life (Detail)
|
3 Months Ended |
|
Feb. 28, 2023
$ / shares
shares
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Outstanding, Outstanding | shares |
442,314
|
| Outstanding, Weighted Average Remaining Contractual Life (Years) |
4 years 6 months 14 days
|
| Outstanding, Weighted Average Exercise Price |
$ 7.42
|
| Exercisable, Outstanding | shares |
320,671
|
| Exercisable, Weighted Average Exercise Price |
$ 7.48
|
| 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 6 months
|
| 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 |
4.01
|
| Range of Exercise Prices Maximum |
$ 5.00
|
| Outstanding, Outstanding | shares |
113,000
|
| Outstanding, Weighted Average Remaining Contractual Life (Years) |
4 years 10 months 6 days
|
| Outstanding, Weighted Average Exercise Price |
$ 4.68
|
| Exercisable, Outstanding | shares |
50,000
|
| Exercisable, Weighted Average Exercise Price |
$ 4.62
|
| Range 3 [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) |
7 years 11 months 8 days
|
| Outstanding, Weighted Average Exercise Price |
$ 6.50
|
| Exercisable, Outstanding | shares |
8,249
|
| Exercisable, Weighted Average Exercise Price |
$ 6.51
|
| Range 4 [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 8 months 15 days
|
| Outstanding, Weighted Average Exercise Price |
$ 7.63
|
| Exercisable, Outstanding | shares |
180,829
|
| Exercisable, Weighted Average Exercise Price |
$ 7.60
|
| Range 5 [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 7 days
|
| Outstanding, Weighted Average Exercise Price |
$ 9.37
|
| Exercisable, Outstanding | shares |
9,166
|
| Exercisable, Weighted Average Exercise Price |
$ 9.31
|
| Range 6 [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 5 months 23 days
|
| Outstanding, Weighted Average Exercise Price |
$ 12.54
|
| Exercisable, Outstanding | shares |
12,799
|
| Exercisable, Weighted Average Exercise Price |
$ 12.58
|
| Range 7 [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) |
1 year 9 months 25 days
|
| Outstanding, Weighted Average Exercise Price |
$ 13.50
|
| Exercisable, Outstanding | shares |
29,628
|
| Exercisable, Weighted Average Exercise Price |
$ 13.50
|