Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Revenues:
Revenues		$ 25,007	$ 25,536	$ 76,485	$ 77,127
Cost of revenues:
Cost of revenues		8,253	9,090	25,754	27,423
Gross margin		16,754	16,446	50,731	49,704
Research and development		4,748	4,546	13,459	13,064
Sales and marketing		6,164	5,039	16,885	16,083
General and administrative		9,164	5,853	20,447	16,775
Amortization of acquisition-related intangibles		191	193	573	346
Total operating expenses		20,267	15,631	51,364	46,268
Operating (loss) income		(3,513)	815	(633)	3,436
Other income (loss):
Interest income		948	777	2,749	2,938
Other, net		(168)	3,640	345	2,788
(Loss) earnings before income taxes		(2,733)	5,232	2,461	9,162
Income tax expense		25	1,080	1,428	1,775
Net (loss) earnings from continuing operations		(2,758)	4,152	1,033	7,387
Discontinued operations (Note F)
Earnings from operations of discontinued operations		0	0	0	255
Gain on disposal of discontinued operations		0	0	0	2,124
Income tax expense of discontinued operations		0	64	0	567
(Loss) earnings from discontinued operations, net of income taxes		0	(64)	0	1,812
Net (loss) earnings		(2,758)	4,088	1,033	9,199
Net (loss) earnings attributable to common shareholders		$ (2,758)	$ 4,088	$ (2,723)	$ 9,199
(Loss) earnings per common share from continuing operations
Basic (in usd per share)	[1]	$ (0.08)	$ 0.12	$ 0.03	$ 0.22
Earnings per common share from discontinued operations
Basic (in usd per share)	[1]	0	0	0	0.05
(Loss) earnings per common share attributable to common shareholders:
Basic (in usd per share)	[1]	(0.08)	0.12	(0.08)	0.27
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)		33,680	33,292	33,507	33,842
Diluted (in shares)		33,680	33,337	33,518	33,866
Class A Common Shares
Discontinued operations (Note F)
Net (loss) earnings attributable to common shareholders		$ (2,758)	$ 3,864	$ (2,660)	$ 8,704
(Loss) earnings per common share from continuing operations
Basic (in usd per share)			$ 0.12		$ 0.22
Diluted (in usd per share)	[1]	$ (0.08)	0.12	$ 0.03	0.22
Earnings per common share from discontinued operations
Basic (in usd per share)			0		0.05
Diluted (in usd per share)	[1]	0	0	0	0.05
(Loss) earnings per common share attributable to common shareholders:
Basic (in usd per share)		(0.08)	0.12	(0.08)	0.27
Diluted (in usd per share)	[1]	$ (0.08)	$ 0.12	$ (0.08)	$ 0.27
Shares used in the calculation of earnings per common share:
Basic (in shares)		33,680	31,470	32,721	32,020
Diluted (in shares)		33,680	33,336	33,518	33,866
Class B Common Shares
Discontinued operations (Note F)
Net (loss) earnings attributable to common shareholders			$ 224	$ (63)	$ 495
(Loss) earnings per common share from continuing operations
Basic (in usd per share)			$ 0.12		$ 0.27
Earnings per common share from discontinued operations
Basic (in usd per share)			0		0
(Loss) earnings per common share attributable to common shareholders:
Basic (in usd per share)			0.12	$ (0.08)	0.27
Diluted (in usd per share)		$ 0.00	$ 0.12	$ (0.08)	$ 0.27
Shares used in the calculation of earnings per common share:
Basic (in shares)			1,822	786	1,822
Diluted (in shares)			1,822	786	1,822
Subscription fees
Revenues:
Revenues		$ 14,818	$ 14,114	$ 44,131	$ 41,235
Cost of revenues:
Cost of revenues		4,599	4,944	13,971	13,768
License
Revenues:
Revenues		662	277	976	795
Cost of revenues:
Cost of revenues		0	3	46	168
Professional services and other
Revenues:
Revenues		2,712	3,418	10,199	11,107
Cost of revenues:
Cost of revenues		2,331	2,694	7,744	8,610
Maintenance
Revenues:
Revenues		6,815	7,727	21,179	23,990
Cost of revenues:
Cost of revenues		$ 1,323	$ 1,449	$ 3,993	$ 4,877

[1] Basic per share amounts are the same for Class A and Class B shares. Diluted per share amounts for Common Stock is shown above. Diluted earnings per share for Class B shares under the two-class method are $0.00 and $0.12 for the three months ended January 31, 2025 and 2024, and $(0.08) and $0.27 for the Nine months ended January 31, 2025 and 2024. See Note D to the condensed consolidated financial statements.