REVENUE RECOGNITION (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregated revenue

The following table presents the disaggregation of our revenue for the three and nine months ended September 30, 2021 and 2020 (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Fixed fee license revenue	$	1,247	$	1,243	$	4,346	$	3,821
Per-unit royalty revenue	5,821		6,288		20,671		15,485
Total royalty and license revenue	7,068		7,531		25,017		19,306
Development, services, and other revenue	105		65		325		215
Total revenue	$	7,173	$	7,596	$	25,342	$	19,521