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Concentration (Tables) | 12 Months Ended
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Feb. 28, 2023
Risks and Uncertainties [Abstract] |
Schedules of Concentrations of Continuing Operations | For the years ended February 28, 2021, 2022 and 2023, the customers who accounted for 10% or more of total revenues are presented as follows:
|  | For the Years Ended |
|  | February 28, 2021 |  | February 28, 2022 |  | February 28, 2023 |
|  | RMB |  | % |  | RMB |  | % |  | RMB |  |  | US$ |  |  | % |
Customer A |  | — |  | — |  | — |  | — |  |  | 7,381 |  |  |  | 1,065 |  |  |  | 22 |
Total |  | — |  | — |  | — |  | — |  |  | 7,381 |  |  |  | 1,065 |  |  |  | 22 |
As of February 28, 2022 and 2023, the customers who accounted for 10% or more of accounts receivable are presented as follows:
|  | As of |
|  | February 28, 2022 |  | February 28, 2023 |
|  | RMB |  | % |  | RMB |  |  | US$ |  |  | % |
Customer B |  | — |  | — |  |  | 492 |  |  |  | 71 |  |  |  | 55 |
Customer C |  | — |  | — |  |  | 100 |  |  |  | 14 |  |  |  | 11 |
Total |  | — |  | — |  |  | 592 |  |  |  | 85 |  |  |  | 66 |

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