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PROPERTY, PLANT AND EQUIPMENT - Summary of Property, Plant and Equipment (Details) - USD ($) | Oct. 31, 2015 | Jan. 31, 2015
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | $ 9,947,000 | $ 10,914,000
Less - accumulated depreciation | 4,770,000 | 4,396,000
Property, plant and equipment, net | 5,177,000 | 6,518,000
Variable Interest Entity [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross |  | 2,658,000
Land and Improvements [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 473,000 | 473,000
Building and Improvements [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 3,691,000 | 2,800,000
Furniture, Machinery and Equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | 4,212,000 | 3,546,000
Trucks and Other Vehicles [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross | $ 1,571,000 | 1,437,000
Construction in Progress [Member] | Variable Interest Entity [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment, gross |  | $ 2,658,000

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business 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 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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