Segment Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2014	Oct. 31, 2013
Segment Reporting Information [Line Items]
Revenues	$ 24,577	$ 26,931	$ 49,434	$ 50,249
Operating income (loss)	1,379	5,392	3,542	7,775
Capital expenditures	174	121	232	155
Capitalized software	668	924	846	1,641
Depreciation and amortization	1,457	433	2,839	1,462
Earnings (loss) before income taxes	1,868	5,809	4,337	8,236
Enterprise Resource Planning
Segment Reporting Information [Line Items]
Revenues	2,952	3,296	5,610	6,048
Operating income (loss)	(1,686)	(1,079)	(3,685)	(3,053)
Capital expenditures	28	93	66	93
Depreciation and amortization	227	220	457	441
Earnings (loss) before income taxes	(490)	(310)	(1,663)	(1,737)
Collaborative Supply Chain Management
Segment Reporting Information [Line Items]
Revenues	15,469	16,934	31,731	31,135
Operating income (loss)	2,531	5,709	6,048	9,480
Capital expenditures	146	23	166	52
Capitalized software	668	924	846	1,641
Depreciation and amortization	1,227	210	2,376	1,015
Earnings (loss) before income taxes	1,843	5,380	4,870	8,677
IT Consulting
Segment Reporting Information [Line Items]
Revenues	6,156	6,701	12,093	13,066
Operating income (loss)	534	762	1,179	1,348
Capital expenditures		5		10
Depreciation and amortization	3	3	6	6
Earnings (loss) before income taxes	515	739	1,130	1,296
Operating Segments
Segment Reporting Information [Line Items]
Operating income (loss)	1,379	5,392	3,542	7,775
Operating Segments | Enterprise Resource Planning
Segment Reporting Information [Line Items]
Operating income (loss)	(1,131)	(666)	(2,600)	(2,160)
Operating Segments | Collaborative Supply Chain Management
Segment Reporting Information [Line Items]
Operating income (loss)	1,995	5,315	5,012	8,636
Operating Segments | IT Consulting
Segment Reporting Information [Line Items]
Operating income (loss)	515	743	1,130	1,299
Intersegment Eliminations | Enterprise Resource Planning
Segment Reporting Information [Line Items]
Operating income (loss)	(555)	(413)	(1,085)	(893)
Intersegment Eliminations | Collaborative Supply Chain Management
Segment Reporting Information [Line Items]
Operating income (loss)	536	394	1,036	844
Intersegment Eliminations | IT Consulting
Segment Reporting Information [Line Items]
Operating income (loss)	$ 19	$ 19	$ 49	$ 49