XML 85 R73.htm IDEA: XBRL DOCUMENT v3.19.1
Schedule II - VALUATION AND QUALIFYING ACCOUNTS (Details) - VALUATION AND QUALIFYING ACCOUNTS - USD ($)
12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2017
2019:      
Balance $ 241,000 $ 417,000 $ 1,151,000
Deductions Charges for Which Reserves Were Created 9,000 176,000 734,000
Balance $ 232,000 $ 241,000 $ 417,000