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INCOME TAXES (Details) - USD ($)
 12 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Jan. 31, 2014
Jan. 31, 2013
INCOME TAXES (Details) [Line Items]        
Deferred Tax Assets, Valuation Allowance $ 1,151,000 $ 1,752,000 $ 2,017,000 $ 1,891,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount (601,000) (265,000) 126,000  
Income Taxes Paid 20,253,000 30,142,000 3,450,000  
Proceeds from Income Tax Refunds 132,000 $ 53,000 $ 38,000  
Unrecognized Tax Benefit 987,000      
Interest Income (Expense), after Provision for Loan Loss 987,000      
State and Local Jurisdiction [Member]        
INCOME TAXES (Details) [Line Items]        
Operating Loss Carryforwards $ 14,860,000