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BENEFIT PLANS (Details Textual) - USD ($) | 12 Months Ended
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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% |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Definition Description of defined contribution pension and other postretirement plans. Includes, but is not limited to, plan utilized, employee group covered, and employer matching contributions. + References No definition available. + Details
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