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PROPERTY, PLANT AND EQUIPMENT - Additional Information (Details 2) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2015 | Oct. 31, 2014 | Oct. 31, 2015 | Oct. 31, 2014
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation expense | $ 186,000 | $ 140,000 | $ 444,000 | $ 423,000
Costs of maintenance and repairs | 174,000 | 99,000 | 445,000 | 218,000
Selling, General and Administrative Expenses [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Rent expense | 84,000 | 48,000 | 182,000 | 146,000
Costs of Revenues [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Rent expense | $ 3,055,000 | $ 4,686,000 | $ 11,462,000 | $ 9,247,000

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- Definition The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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Period Type: | duration

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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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. + References No definition available. + Details
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- Details
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- Details
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