Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2018

Balance Sheet Components [Abstract]

Accounts Receivable

	March 31, 2018 (unaudited)		December 31, 2017
	(in thousands)
Accounts receivable:
Accounts receivable	$	65,393	$	82,603
Unbilled revenues		44,389		30,863
Allowance for doubtful accounts		(1,424)		(1,272)
Total	$	108,358	$	112,194

Property and Equipment

Property and equipment:
Computer hardware (useful life of 3 years)	$	13,268	$	13,110
Furniture and fixtures (useful life of 5 years)		4,092		3,772
Leasehold improvements (useful life of 5 years)		3,038		2,836
Software (useful life of 1 to 7 years)		5,161		5,159
Less: Accumulated depreciation		(18,578)		(17,732)
Total	$	6,981	$	7,145

Other Current Liabilities

Other current liabilities:
Accrued variable compensation	$	9,299	$	16,842
Deferred revenue		4,890		3,278
Payroll related costs		3,035		2,971
Accrued subcontractor fees		450		469
Accrued medical claims expense		2,020		2,133
Professional fees		964		357
Estimated fair value of contingent consideration liability (1)		9,118		8,148
Other current liabilities		4,274		3,879
Total	$	34,050	$	38,077

Other Non-Current Liabilities

Other non-current liabilities:
Deferred compensation liability	$	4,667	$	4,409
Deferred income taxes		8,310		7,360
Other non-current liabilities		4,859		4,667
Total	$	17,836	$	16,436

(1) As of March 31, 2018 and December 31, 2017, represents the fair value estimate of additional earnings-based contingent consideration that may be realized by Clarity twelve months after the acquisition.