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CUSTOMER CONCENTRATIONS (Details) - customer | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2023 | Oct. 31, 2022 | Jan. 31, 2023
Customer Concentration Risk | Accounts Receivable |  |  |  |  |
Customer Concentrations |  |  |  |  |
Number of customers |  |  | 2 |  | 3
Customer Concentration Risk | Contract Asset |  |  |  |  |
Customer Concentrations |  |  |  |  |
Number of customers |  |  | 2 |  | 1
Customer Concentration Risk | Major Customer One | Accounts Receivable |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments |  |  | 42.00% |  | 36.00%
Customer Concentration Risk | Major Customer One | Contract Asset |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments |  |  | 30.00% |  | 70.00%
Customer Concentration Risk | Major Customer Two | Accounts Receivable |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments |  |  | 14.00% |  | 12.00%
Customer Concentration Risk | Major Customer Two | Contract Asset |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments |  |  | 14.00% |  |
Customer Concentration Risk | Major Customer Three | Accounts Receivable |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments |  |  |  |  | 12.00%
Power Industry Services | Product Concentration Risk | Revenue |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments | 74.00% | 77.00% | 73.00% | 76.00% |
Power Industry Services | Customer Concentration Risk | Revenue |  |  |  |  |
Customer Concentrations |  |  |  |  |
Number of customers | 3 | 4 | 3 | 1 |
Power Industry Services | Customer Concentration Risk | Major Customer One | Revenue |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments | 23.00% | 33.00% | 19.00% | 42.00% |
Power Industry Services | Customer Concentration Risk | Major Customer Two | Revenue |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments | 20.00% | 12.00% | 17.00% |  |
Power Industry Services | Customer Concentration Risk | Major Customer Three | Revenue |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments | 17.00% | 12.00% | 14.00% |  |
Power Industry Services | Customer Concentration Risk | Major Customer Four | Revenue |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments |  | 12.00% |  |  |
Industrial Construction Services | Product Concentration Risk | Revenue |  |  |  |  |
Customer Concentrations |  |  |  |  |
Percentage of major customers or segments | 23.00% | 19.00% | 25.00% | 20.00% |

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