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FAIR VALUE (Details) - Assets measured at fair value on a non-recurring basis (USD $) In Thousands, unless otherwise specified | Jan. 31, 2014
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FAIR VALUE (Details) - Assets measured at fair value on a non-recurring basis [Line Items] |
Property and equipment, net | $ 521 us-gaap_PropertyPlantAndEquipmentFairValueDisclosure
Assets Measured At Fair Value On A Non Recurring Basis Subsequent [Member] | Fair Value, Inputs, Level 3 [Member] |
FAIR VALUE (Details) - Assets measured at fair value on a non-recurring basis [Line Items] |
Property and equipment, net | 521 us-gaap_PropertyPlantAndEquipmentFairValueDisclosure / rex_AssetsMeasuredAtFairValueOnANonRecurringBasisOverVariousDatesAxis = rex_AssetsMeasuredAtFairValueOnANonRecurringBasisSubsequentMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Assets Measured At Fair Value On A Non Recurring Basis Subsequent [Member] |
FAIR VALUE (Details) - Assets measured at fair value on a non-recurring basis [Line Items] |
Property and equipment, net | $ 55 us-gaap_PropertyPlantAndEquipmentFairValueDisclosure / rex_AssetsMeasuredAtFairValueOnANonRecurringBasisOverVariousDatesAxis = rex_AssetsMeasuredAtFairValueOnANonRecurringBasisSubsequentMember

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- Definition Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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Period Type: | instant

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- Details
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