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Stock Option Plan and Stock Based Compensation - Additional Information (Detail) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Feb. 28, 2022 | Feb. 28, 2021 | Feb. 29, 2020 | May 31, 2021 | Apr. 16, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unissued common stock reserved |  |  |  | 177,436 |
Number of stock options granted | 0 | 0 | 0 |  |
Number of unvested stock options outstanding | 0 |  |  |  |
Remaining unrecognized compensation cost related to unvested restricted stock | $ 700,000 |  |  |  |
Weighted average remaining requisite service period of the unvested restricted stock awards | 1 year 3 months 18 days |  |  |  |
Outstanding restricted stock underlying fair value at grant date | $ 300,000 |  |  |  |
Time-based RSUs [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Remaining unrecognized compensation cost related to unvested restricted stock | $ 500,000 |  |  |  |
Weighted average remaining requisite service period of the unvested restricted stock awards | 2 years 1 month 6 days |  |  |  |
Performance-based RSUs [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Remaining unrecognized compensation cost related to unvested restricted stock | $ 2,300,000 |  |  |  |
Weighted average remaining requisite service period of the unvested restricted stock awards | 2 years 1 month 6 days |  |  |  |
Restricted Stock Units [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Outstanding fair value at date of grant | $ 3,300 |  |  |  |
2021 Long-Term Incentive Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unissued common stock reserved | 1,015,469 |  |  |  |
Number of shares authorized |  |  |  |  | 1,033,648
Selling, General and Administrative Expenses [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Compensation expense related share based compensation before tax | $ 1,200,000 | $ 1,400,000 | $ 1,400,000 |  |

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