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Legal Proceedings - Additional Information (Detail) - USD ($) |  |  | 9 Months Ended
--- | --- | --- | ---
Aug. 31, 2020 | Dec. 03, 2015 | Aug. 31, 2020
Commitment And Contingencies [Line Items] |  |  |
Payment for termination of contract |  |  | $ 1,900,000
Space and Time Sharing (SATS) Lease Agreement [Member] | Erie Group [Member] |  |  |
Commitment And Contingencies [Line Items] |  |  |
Payment for termination of contract | $ 1,939,748 |  | $ 1,939,748
Case No.15-007461-CI [Member] |  |  |
Commitment And Contingencies [Line Items] |  |  |
Minimum jurisdictional amount |  | $ 15,000 |

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