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Stock-Based Compensation and Stockholders' Rights (Tables) | 3 Months Ended
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Apr. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Restricted Stock and Stock Unit Award Activity | The following table presents a summary of restricted stock and stock unit awards at April 30, 2017 and 2016:
|  |  |  |  |  | Expense for 3 months ended |  |  | Unrecognized Compensation Cost at
Date of Grants |  | Units Granted |  | Terms of Vesting |  | 4/30/2017 |  | 4/30/2016 |  |  | 4/30/2017
2011 Stock Incentive Plan |  |  |  |  |  |  |  |  |  |  |
06/21/2016 |  | 51,284 |  | 1 year |  | $ | 50,000 |  |  | $ | — |  |  |  | $ | 16,000 |
06/21/2016 |  | 36,000 |  | 3 years |  | 12,000 |  |  | — |  |  |  | 96,000 |
06/22/2015 |  | 48,000 |  | 4 years |  | 8,000 |  |  | 8,000 |  |  |  | 70,000 |
06/22/2015 |  | 27,174 |  | 1 year |  | — |  |  | 19,000 |  |  |  | — |
06/24/2014 |  | 490,000 |  | 5 years |  | 60,000 |  |  | 60,000 |  |  |  | 500,000 |
06/24/2014 |  | 28,626 |  | 1 year |  | — |  |  | — |  |  |  | — |
06/19/2012 |  | 520,000 |  | 5 years |  | 37,000 |  |  | 37,000 |  |  |  | 13,000 |
Totals for the period |  |  |  |  |  | $ | 167,000 |  |  | $ | 124,000 |  |  |  | $ | 695,000 |

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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=96867065&loc=d3e5070-113901 + Details
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