Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands			3 Months Ended
		May 16, 2018	Jul. 31, 2018	Jul. 31, 2017
Revenues:
Revenues			$ 27,399	$ 26,886
Cost of revenues:
Cost of revenues			13,647	11,661
Gross margin			13,752	15,225
Research and development			3,675	2,507
Sales and marketing			5,180	5,233
General and administrative			4,193	3,515
Amortization of acquisition-related intangibles			97	348
Total operating expenses			13,145	11,603
Operating income			607	3,622
Other income:
Interest income			504	363
Other, net			249	236
Earnings before income taxes			1,360	4,221
Income tax (benefit) expense			(25)	1,496
Net earnings			$ 1,385	$ 2,725
Earnings per common share:
Basic	[1]		$ 0.05	$ 0.09
Diluted	[1]		0.04	0.09
Cash dividends declared per common share		$ 0.11	$ 0.11	$ 0.11
Shares used in the calculation of earnings per common share:
Basic			30,725	29,671
Diluted			31,343	29,989
License
Revenues:
Revenues			$ 1,702	$ 4,015
Cost of revenues:
Cost of revenues			1,714	1,507
Subscription Fees
Revenues:
Revenues			3,168	1,619
Cost of revenues:
Cost of revenues			1,068	681
Professional Services and Other
Revenues:
Revenues			11,008	10,424
Cost of revenues:
Cost of revenues			8,667	7,246
Maintenance
Revenues:
Revenues			11,521	10,828
Cost of revenues:
Cost of revenues			$ 2,198	$ 2,227

[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 $0.04 and $0.09 for the three months ended July 31, 2018 and 2017, respectively. See Note D to the Condensed Consolidated Financial Statements.