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Stock-based compensation
 3 Months Ended
Apr. 30, 2015
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,
 
2015

2014

Stock-based compensation expense (benefit)

$59


($381
)
Restricted stock based compensation expense (benefit)

$89


($69
)


Stock-based compensation for 2014 was a benefit year-to-date due to cancellations. Most of these cancellations related to former employees from the discontinued operations.

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
2015
2014
Risk free interest rate
.74% - 1.77%
.74% - 2.19%
Expected volatility
40.88% - 59.39%
42.12% - 60.26%
Expected life
4.9 - 5.1 years
4.9 - 5.7 years
Dividend yield
none
none


Option activity
Options
Weighted Average Exercise Price
Weighted Average Remaining Contractual Term
Aggregate Intrinsic Value
Outstanding at January 31, 2015
764


$11.45

5.7

$—

Expired or forfeited
(15
)
12.95

 
 
Outstanding end of period
749

11.42

5.4
4

 
 
 
 
 
Exercisable end of period
527


$11.98

4.3

$2



Unvested option activity
Options
Weighted Average Grant Date Fair Value
Aggregate Intrinsic Value
Outstanding at January 31, 2015
232


$10.11


$—

Vested
(3
)
 
 
Expired or forfeited
(7
)
10.24

 
Outstanding end of period
222


$10.10


$2



As of April 30, 2015, there was $0.7 million of total unrecognized compensation expense related to unvested stock options. The expense is expected to be recognized over a period of 2.1 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, 2015
33


$11.53


$186

Granted
—



 
Issued
—

 
 
Outstanding end of period
33


$11.53


$198



As of April 30, 2015, there was $0.4 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 1.5 years.