Fixed Assets (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Fixed Assets and Depreciation Expense

Fixed assets consisted of the following (in thousands):

	December 31,
	2014			2013
Equipment	$	25,749		$	25,673
Leasehold improvements		9,220			8,253
Construction in progress		1,538			207
		36,507			34,133
Less accumulated depreciation		(28,407	)		(27,730	)
	$	8,100		$	6,403

Depreciation expense was as follows (in thousands):

	Year Ended December 31,
	2014		2013		2012
Depreciation expense	$	3,335	$	3,661	$	3,547