CUSTOMER CONCENTRATIONS (Details) - customer			3 Months Ended		12 Months Ended
	Apr. 30, 2026	Jan. 31, 2026	Apr. 30, 2026	Apr. 30, 2025	Jan. 31, 2026
Customer Concentration Risk | Accounts Receivable
Customer Concentrations
Number of customers	5	3
Customer Concentration Risk | Contract Asset
Customer Concentrations
Number of customers	3	3
Customer Concentration Risk | Major Customer One | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments	19.00%				29.00%
Customer Concentration Risk | Major Customer One | Contract Asset
Customer Concentrations
Percentage of major customers or segments	22.00%	23.00%
Customer Concentration Risk | Major Customer Two | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments	16.00%				19.00%
Customer Concentration Risk | Major Customer Two | Contract Asset
Customer Concentrations
Percentage of major customers or segments	22.00%	22.00%
Customer Concentration Risk | Major Customer Three | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments	13.00%	11.00%
Customer Concentration Risk | Major Customer Three | Contract Asset
Customer Concentrations
Percentage of major customers or segments	12.00%	19.00%
Customer Concentration Risk | Major Customer Four | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments	11.00%
Customer Concentration Risk | Major Customer Five | Accounts Receivable
Customer Concentrations
Percentage of major customers or segments	11.00%
Power Industry Services | Product Concentration Risk | Revenue
Customer Concentrations
Percentage of major customers or segments			77.90%	82.80%
Power Industry Services | Customer Concentration Risk | Revenue
Customer Concentrations
Number of customers			3	2
Power Industry Services | Customer Concentration Risk | Major Customer One | Revenue
Customer Concentrations
Percentage of major customers or segments			15.00%	30.00%
Power Industry Services | Customer Concentration Risk | Major Customer Two | Revenue
Customer Concentrations
Percentage of major customers or segments			13.00%	25.00%
Power Industry Services | Customer Concentration Risk | Major Customer Three | 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			20.00%	15.10%
Telecommunications Infrastructure Services | Product Concentration Risk | Revenue
Customer Concentrations
Percentage of major customers or segments			2.10%	2.10%