Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Revenue:
Total revenues		$ 102,515	$ 108,252	$ 106,521
Cost of revenue:
Cost of revenues		36,093	37,019	35,281
Gross margin		66,422	71,233	71,240
Research and development		17,656	17,767	17,600
Sales and marketing		21,443	20,339	20,697
General and administrative		22,672	23,134	21,176
Amortization of acquisition-related intangibles		543	106	212
Total operating expenses		62,314	61,346	59,685
Operating income		4,108	9,887	11,555
Other income:
Interest income		3,820	2,150	391
Other, net		3,655	186	290
Earnings from continuing operations before income taxes		11,583	12,223	12,236
Income tax expense		1,889	2,238	562
Net earnings from continuing operations		9,694	9,985	11,674
Discontinued operations (Note 11)
Gain on disposal of discontinued operations		2,124	0	0
Earnings from operations of discontinued operations		255	554	1,624
Income tax expense of discontinued operations		700	227	493
Earnings from discontinued operations, net of income taxes		1,679	327	1,131
Net earnings		$ 11,373	$ 10,312	$ 12,805
Earnings per common share from continuing operations:
Diluted (in usd per share)	[1]	$ 0.29	$ 0.29	$ 0.35
Earnings per common share from discontinued operations:
Diluted (in usd per share)	[1]	0.05	0.01	0.03
Earnings per common share
Diluted (in usd per share)	[1]	$ 0.34	$ 0.30	$ 0.38
Shares used in the calculation of earnings per common share:
Basic (in shares)		33,689	33,761	33,365
Diluted (in shares)		33,725	33,992	34,305
Class A Common Shares
Earnings per common share from continuing operations:
Basic (in usd per share)	[1]	$ 0.29	$ 0.29	$ 0.35
Earnings per common share from discontinued operations:
Basic (in usd per share)	[1]	0.05	0.01	0.03
Earnings per common share
Basic (in usd per share)	[1]	0.34	0.30	0.38
Diluted (in usd per share)		$ 0.34	$ 0.30	$ 0.38
Shares used in the calculation of earnings per common share:
Basic (in shares)		31,867	31,939	31,543
Diluted (in shares)		33,725	33,992	34,305
Subscription fees
Revenue:
Total revenues		$ 55,294	$ 50,412	$ 42,066
Cost of revenue:
Cost of revenues		18,208	15,831	13,383
License
Revenue:
Total revenues		955	2,752	5,390
Cost of revenue:
Cost of revenues		219	705	1,104
Professional services and other
Revenue:
Total revenues		14,848	20,531	22,444
Cost of revenue:
Cost of revenues		11,393	14,074	13,829
Maintenance
Revenue:
Total revenues		31,418	34,557	36,621
Cost of revenue:
Cost of revenues		$ 6,273	$ 6,409	$ 6,965

[1] Diluted per share amounts for Class A shares are shown above. Diluted per share for Class B shares under the two-class method are $0.34, $0.30 and $0.38 for the years ended April 30, 2024, 2023 and 2022, respectively. See Note 1(s) to the Consolidated Financial Statements.