Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Jul. 31, 2019	Jul. 31, 2018
Revenues:
Revenues		$ 27,383	$ 27,399
Cost of revenues:
Cost of revenues		12,761	13,647
Gross margin		14,622	13,752
Research and development		3,328	3,675
Sales and marketing		5,579	5,180
General and administrative		4,821	4,193
Amortization of acquisition-related intangibles		97	97
Total operating expenses		13,825	13,145
Operating income		797	607
Other income:
Interest income		475	504
Other, net		50	249
Earnings before income taxes		1,322	1,360
Income tax expense/(benefit)		170	(25)
Net earnings		$ 1,152	$ 1,385
Earnings per common share
Basic (in usd per share)	[1]	$ 0.04	$ 0.05
Diluted (in usd per share)	[1]	0.04	0.04
Cash dividends declared per common share (in usd per share)		$ 0.11	$ 0.11
Shares used in the calculation of earnings per common share
Basic shares used in calculation of earnings per common share (in shares)		31,270	30,725
Diluted shares used in calculation of earnings per common share (in shares)		31,951	31,343
Class B Common Shares
Earnings per common share
Basic (in usd per share)		$ 0.04	$ 0.05
Diluted (in usd per share)		$ 0.04	$ 0.05
Shares used in the calculation of earnings per common share
Basic shares used in calculation of earnings per common share (in shares)		1,822	1,911
Diluted shares used in calculation of earnings per common share (in shares)		1,822	1,911
License
Revenues:
Revenues		$ 1,778	$ 1,702
Cost of revenues:
Cost of revenues		1,380	1,714
Subscription Fees
Revenues:
Revenues		4,458	3,168
Cost of revenues:
Cost of revenues		2,125	1,068
Professional Services and Other
Revenues:
Revenues		10,137	11,008
Cost of revenues:
Cost of revenues		7,405	8,667
Maintenance
Revenues:
Revenues		11,010	11,521
Cost of revenues:
Cost of revenues		$ 1,851	$ 2,198

[1] (a)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 earnings per share for Class B shares under the two-class method are $0.04 and $0.05 for the three months ended July 31, 2019 and 2018, respectively. See Note E to the Condensed Consolidated Financial Statements.