Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Minimum Fixed Commitments Related to All Non-Cancellable Leases

We have entered into long-term operating lease agreements for office space and capital leases for fixed assets. The minimum fixed commitments related to all non-cancellable leases are as follows:

Years Ending December 31,	Operating Leases		Capital Leases
	(in thousands)
2018	$	3,390	$	494
2019	1,466		400
2020	110		20
2021	93		7
Total minimum lease payments	$	5,059	921
Less: amount representing interest			(106		)
Present value of minimum lease payments			815
Less: current obligation			(423		)
Long-term obligations under capital lease			$	392

Non Income Business Tax Liability Activity

The following table summarizes the non-income business tax liability activity during the years ended December 31, 2017 and 2016 (in thousands):

	2017			2016
Balance, beginning of year	$	94		$	3,427
Adjustments to existing liabilities	1,516			(2,110		)
Payments	(827		)	(1,223		)
Balance, end of year	$	783		$	94