CUSTOMER CONCENTRATIONS (Details) - customer	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021	Jan. 31, 2022
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Customer Concentrations
Number of customers			2		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			35.00%		22.00%
Customer Concentration Risk [Member] | Major Customer One [Member] | Contract Asset
Customer Concentrations
Percentage of major customers or segments			19.00%		31.00%
Customer Concentration Risk [Member] | Major Customer Two [Member] | Accounts Receivable [Member]
Customer Concentrations
Percentage of major customers or segments			13.00%		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%
Power Industry Services [Member] | Product Concentration Risk [Member] | Revenue [Member]
Customer Concentrations
Percentage of major customers or segments	77.00%	80.00%	76.00%	77.00%
Power Industry Services [Member] | Customer Concentration Risk [Member] | Revenue [Member]
Customer Concentrations
Number of customers	4	1	1	1
Power Industry Services [Member] | Customer Concentration Risk [Member] | Major Customer One [Member] | Revenue [Member]
Customer Concentrations
Percentage of major customers or segments	33.00%	56.00%	42.00%	61.00%
Power Industry Services [Member] | Customer Concentration Risk [Member] | Major Customer Two [Member] | Revenue [Member]
Customer Concentrations
Percentage of major customers or segments	12.00%
Power Industry Services [Member] | Customer Concentration Risk [Member] | Major Customer Three [Member] | Revenue [Member]
Customer Concentrations
Percentage of major customers or segments	12.00%
Power Industry Services [Member] | Customer Concentration Risk [Member] | Major Customer Four | 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%	17.00%	20.00%	20.00%
Industry services | Customer Concentration Risk [Member] | Revenue [Member]
Customer Concentrations
Number of customers				1
Industry services | Customer Concentration Risk [Member] | Major Customer One [Member] | Revenue [Member]
Customer Concentrations
Percentage of major customers or segments				11.00%