LONG-LIVED ASSETS (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Table Text Block]

Property and equipment consisted of the following at December 31, 2018 and 2017 (in thousands):

	December 31,
	2018		2017
Computer and video equipment and software	$	132,531	$	127,322
Manufacturing tooling and testbeds	3,635		3,591
Office equipment	4,957		5,036
Furniture, fixtures and other	10,458		10,639
Leasehold improvements	37,593		34,779
	189,174		181,367
Less: Accumulated depreciation and amortization	167,592		159,464
Total	$	21,582	$	21,903

Schedule of property, plant and equipment

Property and equipment is recorded at cost and depreciated using the straight-line method over the estimated useful life of the asset. We typically depreciate our property and equipment using the following minimum and maximum useful lives:

	Depreciable Life
	Minimum	Maximum
Computer and video equipment and software, including internal use software	2 years	5 years
Manufacturing tooling and testbeds	3 years	5 years
Office equipment	3 years	5 years
Furniture, fixtures and other	3 years	8 years