Schedule II - Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Credit Loss [Member] - USD ($) $ in Thousands |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Jan. 31, 2020 |
Jan. 31, 2019 |
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| Allowance for doubtful accounts receivable | $ 536 | $ 469 | ||||
| Allowance for doubtful accounts receivable, charges to expenses | 123 | 140 | ||||
| Allowance for doubtful accounts receivable, write-offs | [1] | (254) | (272) | |||
| Allowance for doubtful accounts receivable, other charges/ (Reversals) | [2] | 2 | 199 | |||
| Allowance for doubtful accounts receivable | $ 407 | $ 536 | ||||
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