REVENUE RECOGNITION (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregated revenue

The following table presents the disaggregation of the Company's revenue for the years ended December 31, 2019, 2018 and 2017 (in thousands):

	Years Ended December 31,
	2019		2018		2017 (1)
Fixed fee license revenue	$	12,627	$	83,573	$	12,575
Per-Unit royalty revenue	23,016		26,984		21,514
Total royalty and license revenue	35,643		110,557		34,089
Development, services, and other	310		422		924
Total revenues	$	35,953	$	110,979	$	35,013

(1) Revenues for the year ended December 31, 2017 are presented in accordance with ASC 605.