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Employee Stock Compensation and Stock Repurchase Program (Tables)
 9 Months Ended
Oct. 31, 2016
Share-Based Arrangements With Employees and Nonemployees [Abstract]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Shares under 2015 and 2012 Stock Plan
 
Outstanding
Unvested
Grants at
Maximum at
Beginning of
FY17
 
Granted
during
FY17
through
October 31,
2016
 
Becoming
Vested during
FY17 through
October 31,
2016
 
Forfeited
during
FY17 through
October 31,
2016
 
Outstanding
Unvested
Grants at
Maximum at
End of
October 31,
2016
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Restricted stock grants – employees
 
 
72,999
 
 
—
 
 
—
 
 
5,380
 
 
67,619
 
Matching award program
 
 
3,000
 
 
—
 
 
—
 
 
—
 
 
3,000
 
Bonus in stock - employees
 
 
2,500
 
 
—
 
 
—
 
 
2,500
 
 
—
 
Retainer in stock - directors
 
 
30,764
 
 
5,221
 
 
2,909
 
 
—
 
 
33,076
 
Total restricted stock plans
 
 
109,263
 
 
5,221
 
 
2,909
 
 
7,880
 
 
103,695
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted average grant date fair value
 
$
9.93
 
$
10.19
 
$
8.00
 
$
9.68
 
$
10.02