Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Health at Work Wellness Actuaries LLC [Member]	White Sky, Inc. [Member]	Common Stock [Member]	Common Stock [Member] Health at Work Wellness Actuaries LLC [Member]	Common Stock [Member] White Sky, Inc. [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Health at Work Wellness Actuaries LLC [Member]	Additional Paid-in Capital [Member] White Sky, Inc. [Member]	Treasury Stock [Member]	Treasury Stock [Member] White Sky, Inc. [Member]	Accumulated Deficit [Member]
Beginning balance at Dec. 31, 2014	$ 65,127			$ 222			$ 123,975			$ (32,696)		$ (26,374)
Beginning balance, shares at Dec. 31, 2014				22,158
Beginning balance, treasury shares at Dec. 31, 2014										(3,180)
Issuance of common stock upon exercise of stock options and vesting of restricted stock units	(1,071)			$ 8			(1,079)
Issuance of common stock upon exercise of stock options and vesting of restricted stock units, shares				806
Share based compensation	5,441						5,441
Tax benefit of stock options exercised and vesting of restricted stock units	(740)						(740)
Stock issuance, net of costs	7,394			$ 30			7,364
Stock issuance, net of costs, shares				3,000
Issuance of common stock related to acquisition		$ 1,551	$ 576		$ 4	$ 3		$ 1,547	$ 1,197		$ (624)
Issuance of common stock related to acquisition, shares					413	353					(210)
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock	(312)									$ (312)
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock, shares										(104)
Net loss	(44,488)											(44,488)
Ending balance at Dec. 31, 2015	$ 33,478			$ 267			137,705			$ (33,632)		(70,862)
Ending balance, shares at Dec. 31, 2015				26,730
Ending balance, treasury shares at Dec. 31, 2015	(3,494)									(3,494)
Issuance of common stock upon exercise of stock options and vesting of restricted stock units	$ (334)			$ 4			(338)
Issuance of common stock upon exercise of stock options and vesting of restricted stock units, shares				343
Share based compensation	4,882						4,882
Issuance of common stock related to acquisition					$ 2			$ (2)
Issuance of common stock related to acquisition, shares					230
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock	(190)									$ (190)
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock, shares										(76)
Net loss	(30,469)											(30,469)
Ending balance at Dec. 31, 2016	$ 7,367			$ 273			$ 142,247			$ (33,822)		$ (101,331)
Ending balance, shares at Dec. 31, 2016				27,303
Ending balance, treasury shares at Dec. 31, 2016	(3,570)									(3,570)