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Property, Plant and Equipment (Tables) | 12 Months Ended
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Jan. 31, 2014
Property Plant And Equipment [Abstract] |
Summary of Property, Plant and Equipment | Property, plant and equipment consisted of the following at January 31, 2014 and 2013:
|  | 2014 |  |  | 2013 |
Land and improvements |  | $ | 473,000 |  |  | $ | 471,000 |
Building and improvements |  |  | 2,779,000 |  |  |  | 2,587,000 |
Furniture, machinery and equipment |  |  | 3,560,000 |  |  |  | 3,060,000 |
Trucks and other vehicles |  |  | 1,578,000 |  |  |  | 1,803,000 |
Construction project costs of variable interest entities |  |  | — |  |  |  | 5,309,000 |
|  |  | 8,390,000 |  |  |  | 13,230,000 |
Less – accumulated depreciation |  |  | 4,207,000 |  |  |  | 3,762,000 |
Property, plant and equipment, net |  | $ | 4,183,000 |  |  | $ | 9,468,000 |

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- Definition No authoritative reference available. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 + Details
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