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Note 3 - Stock-Based Compensation (Tables) | 6 Months Ended
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Jul. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] |
|  | Restricted Shares |
|  | Shares |  |  | Weighted-Average Per Share Grant Date Fair Value |
Balance at January 31, 2013 |  |  | — |  |  |  | — |
Granted |  |  | 18,000 |  |  | $ | 1.72 |
Vested |  |  | (9,000 | ) |  | $ | 1.72 |
Forfeited |  |  | — |  |  |  | — |
Balance of unvested awards at July 31, 2013 |  |  | 9,000 |  |  | $ | 1.72 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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