Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Revenues:
Revenues		$ 25,690	$ 27,279	$ 51,591	$ 54,060
Cost of revenues:
Cost of revenues		9,289	9,220	18,333	18,194
Gross margin		16,401	18,059	33,258	35,866
Research and development		4,269	4,364	8,518	8,818
Sales and marketing		5,313	5,229	11,044	10,633
General and administrative		5,461	5,884	10,922	11,467
Amortization of acquisition-related intangibles		129	32	153	56
Total operating expenses		15,172	15,509	30,637	30,974
Operating income		1,229	2,550	2,621	4,892
Other income (loss):
Interest income		1,073	364	2,161	573
Other, net		(1,650)	(509)	(852)	(599)
Earnings before income taxes		652	2,405	3,930	4,866
Income tax expense		31	489	695	975
Net earnings from continuing operations		621	1,916	3,235	3,891
Discontinued operations (Note F)
Earnings from operations of discontinued operations		79	241	255	387
Gain on disposal of discontinued operations		2,124	0	2,124	0
Income tax expense		461	52	503	109
Earnings from discontinued operations, net of income taxes		1,742	189	1,876	278
Net earnings		$ 2,363	$ 2,105	$ 5,111	$ 4,169
Earnings per common share from continuing operations (a):
Basic (in usd per share)	[1]	$ 0.02	$ 0.06	$ 0.10	$ 0.11
Diluted (in usd per share)	[1]	0.02	0.06	0.10	0.11
Earnings per common share from discontinued operations (a):
Basic (in usd per share)	[1]	0.05	0	0.05	0.01
Diluted (in usd per share)	[1]	0.05	0	0.05	0.01
Earnings per common share: (a)
Basic (in usd per share)	[1]	0.07	0.06	0.15	0.12
Diluted (in usd per share)	[1]	0.07	0.06	0.15	0.12
Cash dividends declared per common share (in usd per share)		$ 0.11	$ 0.11	$ 0.22	$ 0.22
Shares used in the calculation of earnings per common share:
Basic (in shares)		34,071	33,720	34,113	33,688
Diluted (in shares)		34,094	34,072	34,127	34,040
Subscription fees
Revenues:
Revenues		$ 13,358	$ 12,326	$ 27,121	$ 24,388
Cost of revenues:
Cost of revenues		4,607	4,059	8,824	7,677
License
Revenues:
Revenues		229	688	518	1,008
Cost of revenues:
Cost of revenues		93	94	165	183
Professional services and other
Revenues:
Revenues		4,003	5,435	7,689	10,929
Cost of revenues:
Cost of revenues		2,856	3,490	5,916	7,184
Maintenance
Revenues:
Revenues		8,100	8,830	16,263	17,735
Cost of revenues:
Cost of revenues		$ 1,733	$ 1,577	$ 3,428	$ 3,150

[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 $0.07 and $0.06 for the three months ended October 31, 2023 and 2022, and $0.15 and $0.12 for the six months ended October 31, 2023 and 2022. See Note D to the condensed consolidated financial statements.