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Employee Stock Compensation and Stock Repurchase Program (Tables)
 3 Months Ended
Apr. 30, 2017
Share-Based Arrangements With Employees and Nonemployees [Abstract]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Shares issued under 2015
and 2012 Stock Plans
 
Outstanding
Unvested Grants
at Maximum at
Beginning of
FY18
 
Granted during
FY18 through
April 30, 2017
 
Becoming
Vested during
FY18 through
April 30, 2017
 
Forfeited
during
FY18 through
April 30, 2017
 
Outstanding
Unvested
Grants at
Maximum at
End of
April 30, 2017
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Restricted stock grants – employees
 
 
67,619
 
 
—
 
 
—
 
 
—
 
 
67,619
 
Retainer in stock - directors
 
 
32,372
 
 
—
 
 
721
 
 
—
 
 
31,651
 
Total restricted stock
 
 
99,991
 
 
—
 
 
721
 
 
—
 
 
99,270
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted average grant date fair value
 
$
10.18
 
 
—
 
$
9.22
 
 
—
 
$
10.19