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Deferred and restricted stock (Notes) | 12 Months Ended
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Jan. 31, 2014
Restricted stock [Abstract] |
Schedule of deferred and restricted Stock [Table Text Block] | Deferred stock On December 5, 2012, the Company adopted the Deferred Stock Purchase Plan. Under the Deferred Stock Purchase Plan, 200,000 shares of common stock are reserved for issuance. Each deferred stock constitutes an unfunded and unsecured promise by the Company to deliver one share of common stock (or the equivalent value thereof in cash or property at the Company's election). In addition, directors may elect to receive, in lieu of annual retainer and committee chair fees and at the time these fees would otherwise be payable, fully vested deferred stock with an initial value equal to the amount based on the fair market value of common stock at the date of grant. Tier I and Tier II executive officers of the Company, as defined in the Compensation Committee Charter of the Company may elect to receive, in lieu of a portion of his annual incentive compensation not to exceed 50% of such bonus payable for a given year, a deferred stock award. Deferred stock is payable following the separation from the Company for non-employee directors. To the extent that a payment is required to be delayed for six months in order to comply with Section 409A, as determined by the Corporation, such payment amount shall be paid as soon as administratively practicable after the end of the six month period starting on the date of the Tier I and Tier II executive officer's “separation from service” under Section 409A. Refer to "Deferred compensation plan" in Note 9 - Retirement plans, in the Notes to Consolidated Financial Statements In June 2013 under the Omnibus Plan described above, the Company granted deferred stock units to each non-employee director at the time of the annual meeting of stockholders equal to the result of dividing $30,000 by the fair market value of the common stock on the date of grant. The stock will be distributed to the directors upon their separation from service. As of January 31, 2014, there were approximately 28,891 deferred stock units outstanding included in restricted stock activity below. Restricted stock In June 2013 under the Omnibus Plan described above, the Company granted restricted stock to Tier I and Tier II executive officers. The restricted stock vest ratably over two years. Until restricted stock becomes vested and nonforfeitable, it may not be sold, assigned, transferred, pledged, hypothecated or disposed of in any way (whether by operation of law or otherwise), except by will or the laws of descent and distribution, and shall not be subject to execution, attachment or similar process. The Company issues new shares from its authorized but unissued share pool. The Company calculates restricted stock compensation expense based on the grant date fair value and recognizes expense on a straight-line basis over the two-year vesting period. The following table summarizes restricted stock activity for the year ended January 31, 2014:
| Restricted shares |  | Weighted average exercise price |  | Aggregate intrinsic value |
Outstanding at beginning of year | — |  |  | $— |  |  | $— |
Granted | 52 |  | 11.24 |  |
Issued | (21 | ) |  |
Forfeited | (2 | ) | 11.25 |  |
Outstanding at January 31, 2014 | 29 |  |  | $14.52 |  |  | $419 |
As of January 31, 2014, there was $0.2 million of unrecognized compensation cost related to unvested restricted stock granted under the plans. That cost is expected to be recognized over the weighted-average period of 1.6 years. The restricted stock-based compensation expense for the year ended January 31, 2014 was $0.1 million.

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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