Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Jul. 31, 2017	Jul. 31, 2016
Revenues:
License		$ 4,015	$ 4,627
Services and other		12,043	12,221
Maintenance		10,828	10,585
Total revenues		26,886	27,433
Cost of revenues:
License		1,507	1,823
Services and other		7,927	9,053
Maintenance		2,227	2,761
Total cost of revenues		11,661	13,637
Gross margin		15,225	13,796
Research and development		2,507	3,100
Sales and marketing		5,233	5,471
General and administrative		3,515	3,511
Amortization of acquisition-related intangibles		348	68
Total operating expenses		11,603	12,150
Operating income		3,622	1,646
Other income:
Interest income		363	317
Other, net		236	343
Earnings before income taxes		4,221	2,306
Income tax expense		1,496	618
Net earnings		$ 2,725	$ 1,688
Earnings per common share:
Basic	[1]	$ 0.09	$ 0.06
Diluted	[1]	0.09	0.06
Cash dividends declared per common share		$ 0.11	$ 0.11
Shares used in the calculation of earnings per common share:
Basic		29,671	28,938
Diluted		29,989	29,254

[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 $0.09 and $0.06 for the three months ended July 31, 2017 and 2016, respectively. See Note D to the Condensed Consolidated Financial Statements.