Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Schedule of property and equipment

The estimated useful lives of property and equipment are as follows:

Computer hardware and equipment	3 - 5 years
Purchased software and licenses	3 - 5 years
Furniture and fixtures	7 years
Leasehold improvements	Lesser of estimated useful life or lease term

Property and equipment consisted of the following (in thousands) at:

	December 31,
	2017			2016
Equipment (including equipment under capital lease of $6,234 and $6,087 at December 31, 2017 and 2016, respectively)	$	9,861		$	11,317
Furniture and fixtures (including furniture under capital lease of $0 at both December 31, 2017 and 2016, respectively)	263			205
Leasehold improvements	769			729
Accumulated depreciation (including for equipment and furniture under capital lease of $4,329 and $2,961 at December 31, 2017 and 2016, respectively)	(7,966		)	(7,895		)
Property and equipment, net	$	2,927		$	4,356