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Stock-based compensation | 6 Months Ended
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Jul. 31, 2018
Stock-based compensation [Abstract] |
Stock-based compensation [Text Block] | Stock-based compensation At July 31, 2018, the Company had one incentive stock plan under which new equity incentive awards may be granted:
• | 2017 Omnibus Stock Incentive Plan dated June 13, 2017, as amended, which stockholders approved in June 2017.
The Company has prior incentive plans under which previously granted awards remain outstanding, but under which no new awards may be granted. At July 31, 2018, the Company had reserved a total of 938,565 shares for grants and issuances under these incentive stock plans, which includes a reserve for issuance pursuant to unvested or unexercised prior awards, and shares for new grants or issuance pursuant to the 2017 Plan. While the 2017 Plan provides for the grant of deferred shares, non-qualified stock options, incentive stock options, restricted shares, restricted stock units, and performance-based restricted stock units intended to qualify under section 422 of the Internal Revenue Code, to date the Company has issued only restricted shares and restricted stock units under the 2017 Plan and currently intends to continue this practice. The 2017 Plan authorizes awards to officers, employees, consultants, and directors. The Company has equity-based compensation awards that can be granted to eligible employees, officers or directors. The following is the equity-based compensation expense:
| Three Months Ended July 31, | Six Months Ended July 31,
| 2018 |  | 2017 |  | 2018 |  | 2017 |
Stock-based compensation expense |  | $9 |  |  | $65 |  |  | $23 |  |  | $59 |
Restricted stock-based compensation expense |  | $432 |  |  | $452 |  |  | $688 |  |  | $647 |
Stock Options The following tables summarize the Company's stock option activity:
Option activity | No. of Shares UnderlyingOptions | Weighted Average Exercise Price | Weighted Average Remaining Contractual Term | Aggregate Intrinsic Value
Outstanding at January 31, 2018 | 358 |  |  | $9.44 |  | 4.0 |  | $482 |
Exercised | (37 | ) | 6.88 |  |  | 37 |
Expired or forfeited | (53 | ) | 17.14 |  |  |
Outstanding end of period | 268 |  | 8.42 |  | 4.1 | 392 |
Exercisable end of period | 257 |  |  | $8.48 |  | 3.9 |  | $370 |
Unvested option activity | No. of Shares UnderlyingOptions | Weighted Average Grant Date Fair Value | Aggregate Intrinsic Value
Outstanding at January 31, 2018 | 31 |  |  | $8.24 |  |  | $50 |
Vested | (14 | ) |  |
Expired or forfeited | (6 | ) |  |  |
Outstanding end of period | 11 |  |  | $7.00 |  |  | $23 |
As of July 31, 2018, there was less than $0.1 million of total unrecognized compensation expense related to unvested stock options. The expense is expected to be recognized over a weighted average period of 1.6 years. Restricted stock The following table summarizes the Company's restricted stock activity for the year:
Restricted stock activity | Restricted Shares | Weighted Average Grant Price Per Share | Aggregate Intrinsic Value
Outstanding (unvested) at January 31, 2018 | 360 |  |  | $9.05 |  |  | $3,254 |
Granted | 124 |  | 9.75 |  |
Vested and issued | (88 | ) |  |
Forfeited | (63 | ) | 7.19 |  |
Outstanding (unvested) end of period | 333 |  |  | $9.05 |  |  | $3,022 |
As of July 31, 2018, there was $1.9 million of unrecognized compensation expense related to unvested restricted stock granted under the plans. The expense is expected to be recognized over a period of 4.0 years. Based upon certain second quarter 2018 matters, including the share settlement to a retiring board director, the Company changed the accounting for the deferred stock compensation arrangements granted to directors from liability accounting treatment to equity accounting treatment and, as such, classified $0.7 million from a liability to additional paid in capital.

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- Definition Stock-based compensation [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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