Business Segments - Business Segment Information Based on Net Revenues and Net Income from Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues, net
Revenues, net	$ 52,145	$ 42,476	$ 99,301	$ 80,825
Income from operations
Income from operations	2,564	4,110	7,354	7,408
Operating Segments [Member] | Workforce [Member]
Revenues, net
Revenues, net	39,803	33,142	77,396	63,107
Income from operations
Income from operations	8,654	8,462	19,404	16,223
Operating Segments [Member] | Patient Experience [Member]
Revenues, net
Revenues, net	8,766	8,090	16,753	15,482
Income from operations
Income from operations	605	147	930	325
Operating Segments [Member] | Provider [Member]
Revenues, net
Revenues, net	3,576	1,244	5,152	2,236
Income from operations
Income from operations	(923)	402	(787)	521
Unallocated [Member]
Income from operations
Income from operations	$ (5,772)	$ (4,901)	$ (12,193)	$ (9,661)