Property and Equipment

12 Months Ended

Dec. 31, 2016

Property Plant And Equipment [Abstract]

Note 4. Property and Equipment

A summary of property and equipment is as follows (in thousands):

	December 31,
	2016			2015
Computer and office equipment	$	15,740		$	14,253
Software		3,631			2,485
Furniture		1,561			1,278
Leasehold improvements		8,986			8,245
		29,918			26,261
Less: Accumulated depreciation and amortization		(17,091	)		(12,774	)
Property and equipment, net	$	12,827		$	13,487

Depreciation and amortization expense related to property and equipment was $6.0 million, $6.5 million and $5.2 million for the years ended December 31, 2016, 2015 and 2014, respectively. During the years ended December 31, 2016 and 2015, the Company retired $1.5 million and $5.5 million fully depreciated computer and office equipment, respectively. Property and equipment includes $198,000 and $260,000 of capital leases at December 31, 2016 and 2015, respectively. Accumulated depreciation of these leased assets was $113,000 and $137,000 at December 31, 2016 and 2015, respectively. These leased assets are included in the computer and office equipment category in the table above.

The Company has an asset retirement obligation related to certain leased facilities. The accrued asset retirement obligation at December 31, 2016 and 2015 was $175,000 and $210,000, respectively.