Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Revenues:
Revenues		$ 25,536	$ 27,427	$ 77,127	$ 81,487
Cost of revenues:
Cost of revenues		9,090	9,468	27,423	27,662
Gross margin		16,446	17,959	49,704	53,825
Research and development		4,546	4,402	13,064	13,220
Sales and marketing		5,039	4,904	16,083	15,537
General and administrative		5,853	5,883	16,775	17,350
Amortization of acquisition-related intangibles		193	25	346	81
Total operating expenses		15,631	15,214	46,268	46,188
Operating income		815	2,745	3,436	7,637
Other income:
Interest income		777	701	2,938	1,274
Other, net		3,640	633	2,788	34
Earnings before income taxes		5,232	4,079	9,162	8,945
Income tax expense		1,080	907	1,775	1,882
Net earnings from continuing operations		4,152	3,172	7,387	7,063
Discontinued operations (Note F)
Earnings from operations of discontinued operations		0	88	255	475
Gain on disposal of discontinued operations		0	0	2,124	0
Income tax expense		64	43	567	152
Earnings (loss) from discontinued operations, net of income taxes		(64)	45	1,812	323
Net earnings		$ 4,088	$ 3,217	$ 9,199	$ 7,386
Earnings per common share from continuing operations (a):
Basic (in usd per share)	[1]	$ 0.12	$ 0.09	$ 0.22	$ 0.21
Diluted (in usd per share)	[1]	0.12	0.09	0.22	0.21
Earnings per common share from discontinued operations (a):
Basic (in usd per share)	[1]	0	0	0.05	0.01
Diluted (in usd per share)	[1]	0	0	0.05	0.01
Earnings per common share: (a)
Basic (in usd per share)	[1]	0.12	0.09	0.27	0.22
Diluted (in usd per share)	[1]	0.12	0.09	0.27	0.22
Cash dividends declared per common share (in usd per share)		$ 0.11	$ 0.11	$ 0.33	$ 0.33
Shares used in the calculation of earnings per common share:
Basic (in shares)		33,292	33,759	33,842	33,711
Diluted (in shares)		33,337	33,965	33,866	34,006
Subscription fees
Revenues:
Revenues		$ 14,114	$ 13,003	$ 41,235	$ 37,391
Cost of revenues:
Cost of revenues		4,944	4,005	13,768	11,682
License
Revenues:
Revenues		277	1,017	795	2,025
Cost of revenues:
Cost of revenues		3	358	168	541
Professional services and other
Revenues:
Revenues		3,418	4,758	11,107	15,687
Cost of revenues:
Cost of revenues		2,694	3,498	8,610	10,682
Maintenance
Revenues:
Revenues		7,727	8,649	23,990	26,384
Cost of revenues:
Cost of revenues		$ 1,449	$ 1,607	$ 4,877	$ 4,757

[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 earnings per share for Class B shares under the two-class method are $0.12 and $0.09 for the three months ended January 31, 2024 and 2023, and $0.27 and $0.22 for the nine months ended January 31, 2024 and 2023. See Note D to the condensed consolidated financial statements.