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Treasury Stock and Repurchase Program (Tables)
 12 Months Ended
Apr. 30, 2015
Treasury Stock [Abstract]  
Schedule of treasury stock, at cost
($ in thousands except for cost per share)   Shares     Total Average Cost Assigned     Average Cost per Share     Aggregate Purchase Price
Remaining Under the Program
Balance as of April 30, 2012 (1)     103,619     $ 1,390     $ 13.41     $ -  
Purchases effected in open market (2)     19,953   $ 182     $ 9.13     $ 2,818  
Balance as of April 30, 2013     123,572     $ 1,572     $ 12.72     $ 2,818  
Purchases effected in open market (2)     58,499     $ 550     $ 9.41     $ 2,268  
Balance as of April 30, 2014     182,071     $ 2,122     $ 11.65     $ 2,268  
Purchases effected in open market (2)     8,433     $ 122     $ 14.47     $ 2,146  
Balance as of April 30, 2015     190,504     $ 2,244     $ 11.78     $ 2,146  

 

(1) Includes 85,219 shares with a total average cost of $1,036,000 that were acquired during the former repurchase program, which was authorized in January 2011 and expired in January 2012;  18,400 shares were acquired prior to the repurchase program authorized in January 2011.

 

(2) Were acquired during the $3 million repurchase program authorized in September 2012.