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Fair Value (Tables) | 9 Months Ended
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Oct. 31, 2014
Fair Value Disclosures [Abstract] |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] | Financial assets and liabilities measured at fair value on a recurring basis at October 31, 2014 are summarized below (amounts in thousands):
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Fair Value |
Investment in cooperative (1) |  | $ | — |  |  | $ | — |  |  | $ | 323 |  |  | $ | 323 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Fair Value |
Cash equivalents |  | $ | 2 |  |  | $ | — |  |  | $ | — |  |  | $ | 2 |
Money market mutual fund (1) |  |  | 120 |  |  |  | — |  |  |  | — |  |  |  | 120 |
Investment in cooperative (1) |  |  | — |  |  |  | — |  |  |  | 289 |  |  |  | 289 |
Total assets |  | $ | 122 |  |  | $ | — |  |  | $ | 289 |  |  | $ | 411 |
Interest rate swap derivative liability |  | $ | — |  |  | $ | 1,141 |  |  | $ | — |  |  | $ | 1,141 |
(1) The money market mutual fund and the investment in cooperative are included in “Other assets” on the accompanying Consolidated Condensed Balance Sheets.
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] | The following table provides a reconciliation of the activity related to assets (investment in cooperative) measured at fair value on a recurring basis using Level 3 inputs (amounts in thousands):
Balance, January 31, 2014 |  | $ | 289 |
Current period activity |  |  | 10 |
Balance, April 30, 2014 |  |  | 299 |
Current period activity |  |  | 12 |
Balance, July 31, 2014 |  |  | 311 |
Current period activity |  |  | 12 |
Balance, October 31, 2014 |  | $ | 323 |
Balance, January 31, 2013 |  | $ | 252 |
Current period activity |  |  | — |
Balance, April 30, 2013 |  |  | 252 |
Current period activity |  |  | 10 |
Balance, July 31, 2013 |  |  | 262 |
Current period activity |  |  | 10 |
Balance, October 31, 2013 |  | $ | 272 |
Fair Value Measurements, Nonrecurring [Table Text Block] | Assets measured at fair value on a non-recurring basis as of January 31, 2014 are summarized below (amounts in thousands):
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total Losses (1) |
Property and equipment, net |  | $ | — |  |  | $ | — |  |  | $ | 521 |  |  | $ | 55 |
| (1) | Total losses include impairment charges and loss on disposal.

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19296-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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