Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Apr. 30, 2015		Apr. 30, 2014		Apr. 30, 2013
Revenues:
License		$ 16,748		$ 20,011		$ 21,184
Services and other		47,215		44,377		45,323
Maintenance		38,910		36,213		33,960
Total revenues		102,873		100,601		100,467
Cost of revenues:
License		7,675		4,043		6,026
Services and other		34,204		31,645		31,870
Maintenance		8,580		8,027		7,664
Total cost of revenues		50,459		43,715		45,560
Gross margin		52,414		56,886		54,907
Research and development		11,088		9,074		8,882
Sales and marketing		18,667		20,414		19,829
General and administrative		12,923		12,401		11,911
Amortization of acquisition-related intangibles		394		472		501
Total operating expenses		43,072		42,361		41,123
Operating income		9,342		14,525		13,784
Other income:
Interest income		1,229		935		1,140
Other, net, primarily investment (loss)/income		(169)		437		601
Earnings before income taxes		10,402		15,897		15,525
Income tax expense		2,274		5,566		5,114
Net earnings		$ 8,128		$ 10,331		$ 10,411
Earnings per common share:
Basic	[1]	$ 0.29		$ 0.37		$ 0.38
Diluted	[1]	$ 0.28	[2]	$ 0.37	[2]	$ 0.38
Shares used in the calculation of earnings per common share:
Basic		28,283		27,636		27,173
Diluted		28,614		28,111		27,629

[1] Basic per share amounts are the same for Class A and Class B shares. Diluted per share amounts for Class A shares are shown above. Diluted per share for Class B shares under the two-class method are $0.29, $0.37 and $0.38 for the years ended April 30, 2015, 2014 and 2013, respectively. See Note 1 to the Consolidated Financial Statements.

[2] Quarterly amounts may not sum to full year total due to rounding.