Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Jul. 31, 2016	Jul. 31, 2015
Revenues:
License		$ 4,627	$ 4,876
Services and other		12,221	13,845
Maintenance		10,585	10,137
Total revenues		27,433	28,858
Cost of revenues:
License		1,823	1,927
Services and other		9,053	9,451
Maintenance		2,761	2,163
Total cost of revenues		13,637	13,541
Gross margin		13,796	15,317
Research and development		3,100	2,749
Sales and marketing		5,471	5,233
General and administrative		3,511	3,447
Amortization of acquisition-related intangibles		68	68
Total operating expenses		12,150	11,497
Operating income (loss)		1,646	3,820
Other income (expense):
Interest income		317	331
Other, net		343	(28)
Earnings (loss) before income taxes		2,306	4,123
Income tax expense		618	1,551
Net earnings		$ 1,688	$ 2,572
Earnings per common share:
Basic	[1]	$ 0.06	$ 0.09
Diluted	[1]	0.06	0.09
Cash dividends declared per common share		$ 0.11	$ 0.10
Shares used in the calculation of earnings per common share:
Basic		28,938	28,614
Diluted		29,254	28,882

[1] Basic per share amounts are the same for Class A and Class B Common Shares. Diluted per share amounts for Class A Common Shares are shown above. Diluted earnings per share for Class B Common Shares under the two-class method are $0.06 and $0.09 for the three months ended July 31, 2016 and 2015, respectively. See Note D to the Condensed Consolidated Financial Statements.