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Schedule II - VALUATION AND QUALIFYING ACCOUNTS (Details) - VALUATION AND QUALIFYING ACCOUNTS - USD ($)
12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
2020:    
Balance $ 241,000 $ 417,000
Deductions Charges for Which Reserves Were Created 9,000 176,000
Balance $ 232,000 $ 241,000