Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2016

	September 30, 2016				December 31, 2015
	(in thousands)
Accounts receivable:
Accounts receivable		$	69,406			$	84,273
Unbilled revenues			37,883				37,088
Allowance for doubtful accounts			(834	)			(749	)
Total		$	106,455			$	120,612

Property and Equipment

Property and equipment:
Computer hardware (useful life of 3 years)	$	12,058		$	11,467
Furniture and fixtures (useful life of 5 years)		3,220			2,957
Leasehold improvements (useful life of 5 years)		2,712			2,517
Software (useful life of 1 to 7 years)		9,023			7,883
Less: Accumulated depreciation		(17,476	)		(16,933	)
Total	$	9,537		$	7,891

Other Current Liabilities

Other current liabilities:
Accrued variable compensation	$	8,056	$	15,050
Deferred revenue		3,612		5,414
Payroll related costs		2,746		2,906
Accrued subcontractor fees		1,012		771
Accrued medical claims expense		1,871		1,816
Professional fees		146		726
Estimated fair value of contingent consideration liability (1)		1,333		5,904
Net working capital settlements		-		1,008
Other current liabilities		3,729		4,188
Total	$	22,505	$	37,783

(1)

As of September 30, 2016, represents the fair value estimate of additional earnings-based contingent consideration that may be realized by Enlighten and Market Street's selling shareholders 12 months after the applicable acquisition. As of December 31, 2015, represents the fair value estimate of additional earnings-based contingent consideration that may be realized by Zeon, Enlighten and Market Street's selling shareholders 12 months after the applicable acquisition.

Other Non-Current Liabilities

Other non-current liabilities:
Deferred compensation liability	$	3,449	$	3,376
Deferred income taxes		8,943		8,463
Other non-current liabilities		2,128		1,139
Total	$	14,520	$	12,978