Segment Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Segment Reporting Information [Line Items]
Revenues	$ 26,931	$ 26,263	$ 50,249	$ 52,177
Operating income (loss)	5,392	4,236	7,775	7,957
Capital expenditures	121	181	155	521
Capitalized Software	924	948	1,641	1,811
Depreciation and amortization	433	1,042	1,462	2,085
Earnings (loss) before income taxes	5,809	4,545	8,236	8,539
Enterprise Resource Planning
Segment Reporting Information [Line Items]
Revenues	3,296	3,470	6,048	6,908
Operating income (loss)	(1,079)	(1,547)	(3,053)	(3,176)
Capital expenditures	93	40	93	317
Depreciation and amortization	220	232	441	469
Earnings (loss) before income taxes	(310)	(706)	(1,737)	(1,614)
Collaborative Supply Chain Management
Segment Reporting Information [Line Items]
Revenues	16,934	16,356	31,135	31,805
Operating income (loss)	5,709	5,278	9,480	10,074
Capital expenditures	23	141	52	177
Capitalized Software	924	948	1,641	1,811
Depreciation and amortization	210	808	1,015	1,612
Earnings (loss) before income taxes	5,380	4,776	8,677	9,147
IT Consulting
Segment Reporting Information [Line Items]
Revenues	6,701	6,437	13,066	13,464
Operating income (loss)	762	505	1,348	1,059
Capital expenditures	5		10	27
Depreciation and amortization	3	2	6	4
Earnings (loss) before income taxes	739	475	1,296	1,006
Operating Segments
Segment Reporting Information [Line Items]
Operating income (loss)	5,392	4,236	7,775	7,957
Operating Segments | Enterprise Resource Planning
Segment Reporting Information [Line Items]
Operating income (loss)	(666)	(947)	(2,160)	(2,180)
Operating Segments | Collaborative Supply Chain Management
Segment Reporting Information [Line Items]
Operating income (loss)	5,315	4,708	8,636	9,131
Operating Segments | IT Consulting
Segment Reporting Information [Line Items]
Operating income (loss)	743	475	1,299	1,006
Intersegment Eliminations | Enterprise Resource Planning
Segment Reporting Information [Line Items]
Operating income (loss)	(413)	(600)	(893)	(996)
Intersegment Eliminations | Collaborative Supply Chain Management
Segment Reporting Information [Line Items]
Operating income (loss)	394	570	844	943
Intersegment Eliminations | IT Consulting
Segment Reporting Information [Line Items]
Operating income (loss)	$ 19	$ 30	$ 49	$ 53