Segment Information - Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Segment Reporting Information [Line Items]
Revenue	$ 102,515	$ 108,252	$ 106,521
Operating income/(loss)	4,108	9,887	11,555
Capitalized software	604	4,188	970
Depreciation and amortization	4,439	3,161	4,138
Interest income	3,820	2,150	391
Earnings/(loss) before income taxes	11,583	12,223	12,236
Total Consolidated Assets	192,444	194,868
Supply Chain Management
Segment Reporting Information [Line Items]
Revenue	100,398	106,128	104,288
Operating income/(loss)	24,304	29,925	29,164
Capitalized software	449	1,813	704
Depreciation and amortization	3,742	2,665	3,755
Interest income	1,058	584	27
Earnings/(loss) before income taxes	26,389	30,288	28,722
Total Consolidated Assets	133,609	99,418
Other
Segment Reporting Information [Line Items]
Revenue	2,117	2,124	2,233
Operating income/(loss)	(20,196)	(20,038)	(17,609)
Capitalized software	155	2,375	266
Depreciation and amortization	697	496	383
Interest income	2,762	1,566	364
Earnings/(loss) before income taxes	(14,806)	(18,065)	$ (16,486)
Total Consolidated Assets	$ 58,835	$ 95,450