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Stockholders' Equity - Stock Option Activity (Detail) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2019 | Nov. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Granted | 0 |
Service-Based Vesting Condition Options [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Outstanding at November 30, 2018 | 1,001,365 |
Granted | 0 |
Exercised | (2,500) |
Expired/forfeited | (5,000) |
Outstanding at February 28, 2019 | 993,865 | 1,001,365
Exercisable at February 28, 2019 | 970,821 |
Outstanding at November 30, 2018, Weighted Average Exercise Price | $ 2.77 |
Granted, Weighted Average Exercise Price | 0 |
Exercised, Weighted Average Exercise Price | 2.28 |
Expired/forfeited, Weighted Average Exercise Price | 2.23 |
Outstanding at February 28, 2019, Weighted Average Exercise Price | 2.78 | $ 2.77
Exercisable at February 28, 2019, Weighted Average Exercise Price | $ 2.68 |
Outstanding, Weighted Average Remaining Contractual Term (Years) | 3 years 9 months | 3 years 11 months 19 days
Exercisable at February 28, 2019, Weighted Average Remaining Contractual Term (Years) | 3 years 8 months 23 days |
Outstanding at November 30, 2018 | $ 4,580,967 |
Granted | 0 |
Exercised | 14,175 |
Expired/forfeited | 21,625 |
Outstanding at February 28, 2019 | 3,827,501 | $ 4,580,967
Exercisable at February 28, 2019 | $ 3,813,041 |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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