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FINANCIAL STATEMENT SCHEDULES (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Jan. 31, 2013
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Jan. 31, 2012
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Jan. 31, 2011
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| Accounts Receivable Allowance, Beginning Balance | $ 972 | $ 995 | $ 852 |
| Accounts Receivable Allowance, Additions, charged to costs and expenses | 0 | 100 | 147 |
| Accounts Receivable Allowance, Additions, charged to other accounts | 8 | 0 | 0 |
| Accounts Receivable Allowance, Deductions and write-offs | (167) | (123) | (4) |
| Accounts Receivable Allowance, Ending Balance | 813 | 972 | 995 |
| Deferred Tax Assets, Valuation Allowance, Beginning Balance | 12,254 | 6,985 | 14,903 |
| Deferred Tax Assets Valuation Allowance, Additions, charged to costs and expenses | 6,996 | 5,269 | 0 |
| Deferred Tax Assets Valuation Allowance, Additions, charged to other accounts | 0 | 0 | (7,918) |
| Deferred Tax Assets Valuation Allowance, Deductions and write -offs | 0 | 0 | 0 |
| Deferred Tax Assets, Valuation Allowance, Ending Balance | $ 19,250 | $ 12,254 | $ 6,985 |
| X | ||||||||||
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- Definition
Amount of additions made to allowance for doubtful accounts receivable which was charged ot costs and expenses. No definition available.
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| X | ||||||||||
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- Definition
Amount of additions made to allowance for doubtful accounts receivable which was charged to other accounts. No definition available.
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| X | ||||||||||
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- Definition
Amount of deductions and write-offs against the allowance for doubtful accounts. No definition available.
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| X | ||||||||||
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- Definition
Amount of deferred tax assets charged to costs and expenses for which it is more likely than not that a tax benefit will not be realized. No definition available.
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| X | ||||||||||
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- Definition
Amount of deferred tax assets charged to other accounts for which it is more likely than not that a tax benefit will not be realized. No definition available.
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| X | ||||||||||
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- Definition
Amount of deferred tax assets deductions and written offs during the period. No definition available.
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| X | ||||||||||
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- Definition
A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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