Balance Sheet Components

3 Months Ended

Mar. 31, 2015

Balance Sheet Components [Abstract]

Balance Sheet Components

6. Balance Sheet Components

	March 31, 2015				December 31, 2014
	(in thousands)
Accounts receivable:
Accounts receivable		$	64,333			$	82,994
Unbilled revenues			35,979				31,845
Allowance for doubtful accounts			(885	)			(911	)
Total		$	99,427			$	113,928

Property and equipment:
Computer hardware (useful life of 3 years)	$	10,677		$	10,221
Furniture and fixtures (useful life of 5 years)		2,869			2,442
Leasehold improvements (useful life of 5 years)		2,332			2,075
Software (useful life of 1 to 7 years)		7,134			6,828
Less: Accumulated depreciation		(14,676	)		(13,600	)
Total	$	8,336		$	7,966

Other current liabilities:
Accrued variable compensation	$	6,467	$	15,060
Deferred revenue		6,457		5,945
Payroll related costs		1,730		1,614
Accrued subcontractor fees		865		871
Accrued medical claims expense		1,376		1,615
Acquired liabilities		1,918		2,603
Estimated fair value of contingent consideration liability (1)		2,325		-
Other current liabilities		5,338		5,320
Total	$	26,476	$	33,028

(1) Represents the fair value estimate of additional earnings-based contingent consideration that may be realized by Zeon's selling shareholders 12 months after the Zeon acquisition.