CUSTOMER CONCENTRATIONS (Details) - customer	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Customer Concentration Risk | Accounts Receivable
Customer Concentrations
Number of customers	3	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	16.00%	36.00%
Customer Concentration Risk | Major Customer One | Contract Asset
Customer Concentrations
Percentage of major customers or segments	39.00%	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	32.00%
Customer Concentration Risk | Major Customer Three | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments	14.00%	12.00%
Power Industry Services | Product Concentration Risk | Revenue
Customer Concentrations
Percentage of major customers or segments	73.00%	76.00%	78.00%
Power Industry Services | Customer Concentration Risk | Revenue
Customer Concentrations
Number of customers	3	2	1
Power Industry Services | Customer Concentration Risk | Major Customer One | Revenue
Customer Concentrations
Percentage of major customers or segments	19.00%	38.00%	57.00%
Power Industry Services | Customer Concentration Risk | Major Customer Two | Revenue
Customer Concentrations
Percentage of major customers or segments	16.00%	12.00%
Power Industry Services | Customer Concentration Risk | Major Customer Three | Revenue
Customer Concentrations
Percentage of major customers or segments	15.00%
Industry services | Product Concentration Risk | Revenue
Customer Concentrations
Percentage of major customers or segments	25.00%	20.00%	19.00%