Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Healthcare	$ 37,592	$ 33,871	$ 77,576	$ 69,598
Commuter	15,050	14,722	31,093	29,429
Other	6,115	5,968	12,708	11,649
Total revenue	58,757	54,561	121,377	110,676
Operating expenses:
Cost of revenues (excluding amortization of internal use software)	21,157	19,932	43,954	40,545
Technology and development	5,298	5,750	10,497	11,567
Sales and marketing	9,332	8,409	18,699	16,924
General and administrative	10,539	9,008	20,471	18,217
Amortization and change in contingent consideration	4,549	4,725	8,969	9,187
Total operating expenses	50,875	47,824	102,590	96,440
Income from operations	7,882	6,737	18,787	14,236
Other income (expense):
Interest income	1	6	2	13
Interest expense	(254)	(369)	(511)	(747)
Other income	11	14	24	33
Income before income taxes	7,640	6,388	18,302	13,535
Income tax provision	(3,053)	(2,396)	(7,271)	(4,907)
Net income	$ 4,587	$ 3,992	$ 11,031	$ 8,628
Basic net income per share	$ 0.13	$ 0.12	$ 0.32	$ 0.26
Diluted net income per share	$ 0.13	$ 0.11	$ 0.30	$ 0.25
Shares used in basic net income per share calculations	35,117	33,473	34,975	32,853
Shares used in diluted net income per share calculations	36,340	35,047	36,323	34,448