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Stockholders' Equity - Summary of Non-Vested Options (Detail) - $ / shares | 9 Months Ended
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Aug. 31, 2021 | Aug. 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |  |
Non-vested at November 30, 2020, Shares | 93,380 |
Granted, Shares | 20,000 |
Vested, Shares | (44,887) |
Non-vested at August 31, 2021, Shares | 68,493 |
Non-vested at November 30, 2020, Weighted Average Grant-Date Fair Value | $ 4.65 |
Granted, Weighted Average Grant-Date Fair Value | 4.56 | $ 4.94
Vested, Weighted Average Grant-Date Fair Value | 5.00 |
Non-vested at August 31, 2021, Weighted Average Grant-Date Fair Value | $ 4.39 |

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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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