PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Table Text Block]

Property and equipment consisted of the following at December 31, 2020 and 2019 (in thousands):

	December 31,
	2020		2019
Computer and video equipment and software	$	137,489	$	133,695
Manufacturing tooling and testbeds	4,781		4,209
Office equipment	4,957		4,963
Furniture, fixtures and other	10,133		10,425
Leasehold improvements	36,784		37,440
	194,144		190,732
Less: accumulated depreciation and amortization	177,330		171,152
Total	$	16,814	$	19,580