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Equity Matters (Tables)
 6 Months Ended
Apr. 30, 2013
Equity [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The fair values of these options were estimated at the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions used for grants awarded during fiscal year 2012:
 
2012
Risk-free interest
1.20
%
Dividend yield
0.00
%
Volatility factor—market
88.26
%
Expected life of options—years
6.00
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Activity in the Company’s stock option plan for the six months ended April 30, 2013 and 2012 was as follows:

 
Fiscal 2013
 
Fiscal 2012
 
Number of
Shares
 
Weighted
Average
Exercise Price
Per Share
 
Weighted Average
Remaining
Contractual
Term (Years)
 
Aggregate
Intrinsic
Value
 
Number of
Shares
 
Weighted
Average
Exercise Price
Per Share
 
Weighted Average
Remaining
Contractual
Term (Years)
 
Aggregate
Intrinsic
Value
Options outstanding at November 1
362,085

 
$9.99
 
 
 
 
 
520,185

 
$8.54
 
 
 
 
Options:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Granted
—

 
$0.00
 
 
 
 
 
56,500

 
$8.10
 
 
 
 
Exercised
(18,167
)
 
$5.90
 
 
 
 
 
(87,239
)
 
$3.01
 
 
 
 
Canceled
(75,149
)
 
$12.47
 
 
 
 
 
(34,753
)
 
$11.13
 
 
 
 
Outstanding at April 30
268,769

 
$9.57
 
6.53
 
$486
 
454,693

 
$9.28
 
6.98
 
$789
Options exercisable at April 30
207,771

 
$9.44
 
6.05
 
$432
 
219,394

 
$10.10
 
5.86
 
$374
Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]
The following is a reconciliation of the numerator and denominator of the basic and diluted earnings per share computation for net income per share: 
(Shares in thousands)
Three Months Ended April 30,
 
Six Months Ended April 30,
 
2013
 
2012
 
2013
 
2012
Net income available to common stockholders
$
7,249

 
$
5,905

 
$
9,832

 
$
7,484

Basic weighted average shares
16,998

 
16,844

 
16,993

 
16,804

Effect of dilutive securities:
 
 
 
 
 
 
 
Stock options
45

 
59

 
48

 
79

Diluted weighted average shares
17,043

 
16,903

 
17,041

 
16,883

Basic income per share
$
0.43

 
$
0.35

 
$
0.58

 
$
0.45

Diluted income per share
$
0.43

 
$
0.35

 
$
0.58

 
$
0.44