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BENEFIT PLANS (Details Textual) - USD ($)
12 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Jan. 31, 2016
Defined Benefit Plan Disclosure [Line Items]      
Description of Defined Contribution Pension and Other Postretirement Plans the Company changed to a Safe Harbor tiered matching plan equal to 100% of the first 1% of eligible participant’s compensation contributed to the Plan and 50% of the next 5% of eligible participant’s compensation contributed to the Plan (maximum Company match 3.5% of salary)    
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 206,000 $ 193,000 $ 120,000
Minimum [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 1.00%    
Maximum [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 15.00%