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Stock-based compensation
 3 Months Ended
Apr. 30, 2018
Stock-based compensation [Abstract]  
Stock-based compensation [Text Block]
Stock-based compensation

At April 30, 2018, the Company had one incentive stock plan under which new equity incentive awards may be granted:
•
2017 Omnibus Stock Incentive Plan as Amended June 13, 2017, 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 April 30, 2018, the Company had reserved a total of 1,135,007 shares for grants and issuance under these incentive stock plans, which includes a reserve for issuance pursuant to unvested or unexercised prior awards, and shares for issuance pursuant to new grants under the 2017 Plan.
The 2017 Plan provide 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. The 2017 Plan authorizes awards to officers, employees, consultants, and directors.

The Company has stock-based compensation awards that can be granted to eligible employees, officers or directors.
 
Three Months Ended April 30,
 
2018

2017

Stock-based compensation expense

$13


($6
)
Restricted stock-based compensation expense

$241


$192



Stock Options

The following tables summarize the Company's stock option activity:
Option activity
Options
Weighted Average Exercise Price
Weighted Average Remaining Contractual Term
Aggregate Intrinsic Value
Outstanding at January 31, 2018
358


$9.44

4.5

$534

Exercised
(4
)
6.88

 
37

Expired or forfeited
(5
)
9.23

 
 
Outstanding end of period
349

9.47

4.3
338

 
 
 
 
 
Exercisable end of period
322


$9.57

3.9

$303



Unvested option activity
Options
Weighted Average Grant Date Fair Value
Aggregate Intrinsic Value
Outstanding at January 31, 2018
31


$8.24


$50

Vested
(4
)
 
 
Expired or forfeited




 
Outstanding end of period
27


$8.28


$44



As of April 30, 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 period of 2.3 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 at January 31, 2018
360


$9.05


$3,254

Granted
—



 
Issued
—

 
 
Forfeited
(1
)
8.00

 
Outstanding end of period
359


$9.10


$3,274



As of April 30, 2018, there was $1.2 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 3.3 years.