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NOTE 4 - DOUBTFUL ACCOUNTS AND OTHER ACCOUNTS RECEIVABLE ALLOWANCES (Details) - Allowance for Doubtful Accounts - USD ($)
$ in Thousands
 12 Months Ended
Jan. 28, 2018
Jan. 29, 2017
Jan. 31, 2016
Allowance for Doubtful Accounts [Abstract]      
Balance at beginning of year $ 508 $ 396 $ 563
Non-cash charges to cost and expenses 767 823 115
Less uncollectible receivables written off, net of recoveries (261) (711) (282)
Balance at end of year 1,014 508 396
Balance at beginning of year 6,298 636 766
Non-cash charges to cost and expenses (1,272) 5,586 (220)
Less uncollectible receivables written off, net of recoveries 91 76 90
Balance at end of year $ 5,117 $ 6,298 $ 636