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Stock-based compensation
 3 Months Ended
Apr. 30, 2016
Stock-based compensation [Abstract]  
Stock-based compensation [Text Block]
Stock-based compensation. The Company has stock-based compensation awards that can be granted to eligible employees, officers or directors.
 
Three Months Ended April 30,
 
2016

2015

Stock-based compensation (benefit) expense

($2
)

$59

Restricted stock based compensation expense

$390


$89



Stock-based compensation for 2016 was a benefit year-to-date due to cancellations. Most of these cancellations related to former employees from the Company's discontinued operations. The increase in the restricted stock based compensation expense relates to a grant in March 2016 and the conversion of performance restricted stock units to time-based restricted shares. This increase is partially offset by a decrease in management incentive compensation expense.

Stock Options

The fair value of the outstanding option awards was estimated on the grant dates using the Black-Scholes option pricing model.
 
Three Months Ended April 30,
Fair value assumptions
2016
2015
Expected volatility
40.88% - 57.02%
40.88% - 59.39%
Risk free interest rate
.74% - 1.77%
.74% - 1.77%
Dividend yield
none
none
Expected life
5.0 - 5.1 years
4.9 - 5.1 years


Option activity
Options
Weighted Average Exercise Price
Weighted Average Remaining Contractual Term
Aggregate Intrinsic Value
Outstanding at January 31, 2016
720


$11.38

5.1

$34

Expired or forfeited
(42
)
9.63

 
 
Outstanding end of period
678

11.49

4.7
118

 
 
 
 
 
Exercisable end of period
535


$12.00

3.9

$92



Unvested option activity
Options
Weighted Average Grant Date Fair Value
Aggregate Intrinsic Value
Outstanding at January 31, 2016
166


$9.51


$—

Vested
(2
)
 
 
Expired or forfeited
(21
)
9.07

 
Outstanding end of period
143


$9.57


$—



As of April 30, 2016, there was $0.4 million of total unrecognized compensation expense related to unvested stock options. The expense is expected to be recognized over a period of 1.8 years.

Restricted stock

The following table summarizes restricted stock activity for the year:
Restricted stock activity
Restricted Shares
Weighted Average Grant Price Per Share
Aggregate Intrinsic Value
Outstanding at January 31, 2016
163


$8.60


$1,040

Granted
90

7.25

 
Issued
(10
)
 
 
Forfeited
(1
)
6.38

 
Outstanding end of period
242


$8.17


$1,686



As of April 30, 2016, there was $0.8 million of unrecognized compensation expense related to unvested restricted stock granted under the plans. The cost is expected to be recognized over the weighted-average period of 2.4 years.