Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
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Jan. 31, 2019 |
Jan. 31, 2018 |
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Accounts Receivable Allowance [Member] | ||
Valuation and Qualifying Accounts Disclosure [Line Items] | ||
Balance at beginning of period | $ 16 | $ 876 |
Additions, Charged to costs and expenses | 1,779 | 79 |
Additions, Charged to other accounts | 10 | |
Deductions and write-offs | (1,218) | (949) |
Balance at end of period | 577 | 16 |
Deferred Tax Assets Valuation Allowance [Member] | ||
Valuation and Qualifying Accounts Disclosure [Line Items] | ||
Balance at beginning of period | 38,305 | 58,134 |
Additions, Charged to costs and expenses | 3,674 | (19,829) |
Balance at end of period | $ 41,979 | $ 38,305 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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- Details
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