Treasury Stock and Repurchase Program (Tables)

9 Months Ended

Jan. 31, 2016

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, 2015 (1)(2)		190,504	$	2,244	$	11.78	$	2,146
Purchases effected in open market during the quarters ended:
July 31, 2015 (2)		12,237	$	166	$	13.58	$	1,980
October 31, 2015 (2)		25,098	$	382	$	15.23	$	1,598
January 31, 2016 (2)		4,118	$	61	$	14.74	$	1,537
Balance as of January 31, 2016		231,957	$	2,853	$	12.30	$	1,537

(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.