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Employee Stock Compensation and Stock Repurchase Program (Tables) | 6 Months Ended
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Jul. 31, 2016
Share-Based Arrangements With Employees and Nonemployees [Abstract] |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] |
Shares under 2015 and 2012 Stock Plan |  | Outstanding Unvested Grants at Maximum at Beginning of FY17 |  | Granted during FY17 through July 31, 2016 |  | Becoming Vested during FY17 through July 31, 2016 |  | Forfeited during FY17 through July 31, 2016 |  | Outstanding Unvested Grants at Maximum at End of July 31, 2016 |
Restricted stock grants – employees |  |  | 72,999 |  |  | — |  |  | — |  |  | 5,380 |  |  | 67,619 |
Matching award program |  |  | 3,000 |  |  | — |  |  | — |  |  | — |  |  | 3,000 |
Bonus in stock - employees |  |  | 2,500 |  |  | — |  |  | — |  |  | 2,500 |  |  | — |
Retainer in stock - directors |  |  | 30,764 |  |  | — |  |  | 2,343 |  |  | — |  |  | 28,421 |
Total restricted stock plans |  |  | 109,263 |  |  | — |  |  | 2,343 |  |  | 7,880 |  |  | 99,040 |
Weighted average grant date fair value |  | $ | 9.93 |  |  | — |  | $ | 6.53 |  | $ | 9.68 |  | $ | 10.04 |

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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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