Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2015

Property, Plant and Equipment [Abstract]

Depreciation and Amortization on Property and Equipment Using the Straight-Line Method

Depreciation on property and equipment is calculated using the straight-line method over the estimated useful lives of the assets, generally ranging from two to seven years. Leasehold improvements are amortized using the straight-line method over the shorter of the estimated useful life or the lease term.

	September 30, 2015			December 31, 2014
Office furniture and fixtures	$	927		$	845
Software		1,640			1,312
Equipment		3,275			3,072
Leasehold improvements		1,237			1,198
Gross property and equipment		7,079			6,427
Less accumulated depreciation and amortization		(4,227	)		(3,451	)
Property and equipment, net	$	2,852		$	2,976