Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Cash flows from operating activities:
Net earnings	$ 9,199	$ 7,386
Earnings from discontinued operations, net of tax	(1,812)	(323)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	3,641	2,389
Stock-based compensation expense	4,720	3,919
Net gain on investments	(1,331)	(92)
Deferred income taxes	282	(3,377)
Gain on sale of business	(1,438)	0
Gain on sale of discontinued operations	(2,124)	0
Changes in operating assets and liabilities:
Purchases of trading securities	(3,958)	(8,284)
Proceeds from maturities and sales of trading securities	6,772	870
Accounts receivable, net	4,267	(11,816)
Prepaid expenses and other assets	(1,150)	579
Accounts payable and other liabilities	(3,854)	(1,578)
Deferred revenue	(5,298)	(1,247)
Net cash provided by (used in) operating activities of continuing operations	7,916	(11,574)
Net cash provided by operating activities of discontinued operations	1,554	1,108
Net cash provided by (used in) operating activities	9,470	(10,466)
Cash flows from investing activities:
Purchases of property and equipment, net of disposals	(539)	(3,655)
Purchase of business, net of cash acquired	(25,041)	(6,500)
Proceeds from sale of business	660	0
Net cash used in investing activities of continuing operations	(24,920)	(10,155)
Net cash provided by investing activities of discontinued operations	1,825	0
Net cash used in investing activities	(23,095)	(10,155)
Cash flows from financing activities:
Proceeds from exercise of stock options	290	1,654
Purchases of common stock	(10,235)	0
Dividends paid	(11,272)	(11,117)
Net cash used in financing activities of continuing operations	(21,217)	(9,463)
Net change in cash and cash equivalents	(34,842)	(30,084)
Cash and cash equivalents at beginning of period	90,696	110,690
Cash and cash equivalents at end of period	55,854	80,606
Supplemental disclosure of cash flow information:
Income taxes, net of refunds	4,345	5,441
Supplemental disclosures of noncash operating, investing and financing activities:
Accrual of dividends payable	$ 3,654	$ 3,716