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Note 2 - Summary of Significant Accounting Policies (Details Textual) | 3 Months Ended | 9 Months Ended
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Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2014
Accounting Policies [Abstract] |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  | 3,684,069
Aggregate Weighted Average Incremental Increase of Shares of Beneficial Interest Assuming Conversion | 3,688,603 | 3,693,972 |

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- Definition Represents the aggregate weighted-average incremental increase of shares of beneficial interest. + References No definition available. + Details
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 + Details
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