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CUSTOMER CONCENTRATIONS (Details) - customer	12 Months Ended
CUSTOMER CONCENTRATIONS (Details) - customer	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Customer Concentrations
Number of customers	3	3
Customer Concentration Risk [Member] \| Contract Asset
Customer Concentrations
Number of customers	1	2
Customer Concentration Risk [Member] \| Major Customer One [Member] \| Accounts Receivable [Member]
Customer Concentrations
Percentage of major customers or segments	36.00%	22.00%
Customer Concentration Risk [Member] \| Major Customer One [Member] \| Contract Asset
Customer Concentrations
Percentage of major customers or segments	70.00%	31.00%
Customer Concentration Risk [Member] \| Major Customer Two [Member] \| Accounts Receivable [Member]
Customer Concentrations
Percentage of major customers or segments	12.00%	15.00%
Customer Concentration Risk [Member] \| Major Customer Two [Member] \| Contract Asset
Customer Concentrations
Percentage of major customers or segments		13.00%
Customer Concentration Risk [Member] \| Major Customer Three [Member] \| Accounts Receivable [Member]
Customer Concentrations
Percentage of major customers or segments	12.00%	12.00%
Power Industry Services [Member] \| Product Concentration Risk [Member] \| Revenue [Member]
Customer Concentrations
Percentage of major customers or segments	76.00%	78.00%	81.00%
Power Industry Services [Member] \| Customer Concentration Risk [Member] \| Revenue [Member]
Customer Concentrations
Number of customers	2	1	1
Power Industry Services [Member] \| Customer Concentration Risk [Member] \| Major Customer One [Member] \| Revenue [Member]
Customer Concentrations
Percentage of major customers or segments	38.00%	57.00%	67.00%
Power Industry Services [Member] \| Customer Concentration Risk [Member] \| Major Customer Two [Member] \| Revenue [Member]
Customer Concentrations
Percentage of major customers or segments	12.00%
Industry services \| Product Concentration Risk [Member] \| Revenue [Member]
Customer Concentrations
Percentage of major customers or segments	20.00%	19.00%	17.00%