Segment Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013
Segment Reporting Information [Line Items]
Revenues	$ 24,427	$ 23,076	$ 74,676	$ 75,253
Operating income (loss)	3,539	2,291	11,314	10,248
Capital expenditures	50	25	205	546
Capitalized Software	761	836	2,402	2,647
Depreciation and amortization	435	1,033	1,897	3,118
Earnings (loss) before income taxes	3,737	2,748	11,973	11,287
Enterprise Resource Planning
Segment Reporting Information [Line Items]
Revenues	2,630	2,629	8,678	9,537
Operating income (loss)	(2,009)	(1,832)	(5,062)	(5,008)
Capital expenditures	24	17	117	334
Depreciation and amortization	222	222	663	691
Earnings (loss) before income taxes	(1,224)	(934)	(2,961)	(2,549)
Collaborative Supply Chain Management
Segment Reporting Information [Line Items]
Revenues	15,908	14,868	47,043	46,673
Operating income (loss)	5,179	3,872	14,659	13,946
Capital expenditures	26	8	78	185
Capitalized Software	761	836	2,402	2,647
Depreciation and amortization	210	809	1,225	2,421
Earnings (loss) before income taxes	4,616	3,502	13,293	12,649
IT Consulting
Segment Reporting Information [Line Items]
Revenues	5,889	5,579	18,955	19,043
Operating income (loss)	369	251	1,717	1,310
Capital expenditures			10	27
Depreciation and amortization	3	2	9	6
Earnings (loss) before income taxes	345	181	1,641	1,187
Operating Segments
Segment Reporting Information [Line Items]
Operating income (loss)	3,539	2,291	11,314	10,248
Operating Segments | Enterprise Resource Planning
Segment Reporting Information [Line Items]
Operating income (loss)	(1,522)	(1,376)	(3,682)	(3,556)
Operating Segments | Collaborative Supply Chain Management
Segment Reporting Information [Line Items]
Operating income (loss)	4,716	3,446	13,352	12,577
Operating Segments | IT Consulting
Segment Reporting Information [Line Items]
Operating income (loss)	345	221	1,644	1,227
Intersegment Eliminations | Enterprise Resource Planning
Segment Reporting Information [Line Items]
Operating income (loss)	(487)	(456)	(1,380)	(1,452)
Intersegment Eliminations | Collaborative Supply Chain Management
Segment Reporting Information [Line Items]
Operating income (loss)	463	426	1,307	1,369
Intersegment Eliminations | IT Consulting
Segment Reporting Information [Line Items]
Operating income (loss)	$ 24	$ 30	$ 73	$ 83