Segment Information - Schedule of Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule of Statement of Income Components [Line Items]
Total revenue	$ 27,361	$ 30,826	$ 86,796	$ 96,748
Operating income (loss)	(733)	684	(5,515)	3,011
Depreciation and amortization expense	784	1,053	2,384	3,155
EPM [Member]
Schedule of Statement of Income Components [Line Items]
Total revenue	12,273	16,117	39,271	49,150
Operating income (loss)	166	2,303	1,689	6,155
Depreciation and amortization expense	559	717	1,682	2,154
ERP [Member]
Schedule of Statement of Income Components [Line Items]
Total revenue	12,927	10,960	38,881	34,801
Operating income (loss)	1,599	676	5,138	2,641
Depreciation and amortization expense	200	243	598	724
Classic Consulting [Member]
Schedule of Statement of Income Components [Line Items]
Total revenue	2,161	3,749	8,644	12,797
Operating income (loss)	(471)	187	(404)	1,985
Depreciation and amortization expense		45		134
Corporate [Member]
Schedule of Statement of Income Components [Line Items]
Operating income (loss)	(2,027)	(2,482)	(11,938)	(7,770)
Depreciation and amortization expense	$ 25	$ 48	$ 104	$ 143