Segment Information - Schedule of Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Schedule of Statement of Income Components [Line Items]
Total revenue	$ 29,130	$ 31,898
Operating income (loss)	(5,399)	(628)
Depreciation and amortization expense	808	1,004
EPM [Member]
Schedule of Statement of Income Components [Line Items]
Total revenue	14,308	16,506
Operating income (loss)	899	1,640
Depreciation and amortization expense	562	720
ERP [Member]
Schedule of Statement of Income Components [Line Items]
Total revenue	11,350	10,836
Operating income (loss)	929	285
Depreciation and amortization expense	198	190
Classic Consulting [Member]
Schedule of Statement of Income Components [Line Items]
Total revenue	3,472	4,556
Operating income (loss)	(25)	977
Depreciation and amortization expense	3	46
Corporate [Member]
Schedule of Statement of Income Components [Line Items]
Operating income (loss)	(7,202)	(3,530)
Depreciation and amortization expense	$ 45	$ 48