Treasury Stock and Repurchase Program (Tables)

3 Months Ended

Jul. 31, 2013

Treasury Stock [Abstract]

Schedule of treasury stock, at cost

(in thousands except for shares and cost per share)	Shares		Total Average Cost Assigned		Average Cost per Share		Aggregate Purchase Price Remaining Under the Program
Balance as of April 30, 2013 (1)(2)(3)		123,572	$	1,572	$	12.72	$	2,818
Purchases effected in open market during the quarter ended:
July 31, 2013		25,723		226	$	8.82	$	2,592
Balance as of July 31, 2013		149,295	$	1,798	$	12.04

(1) Includes 18,400 shares with a total average cost of $354,000 that were acquired prior to the repurchase program authorized in January 2011.

(2) 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.

(3) Includes 19,953 shares with a total average cost of $182,000 that were acquired during the new repurchase program authorized in September 2012.