REVENUE RECOGNITION (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregated revenue

The following table presents the disaggregation of our revenue for the three and six months ended June 30, 2021 and 2020 (in thousands).

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Fixed fee license revenue	$	1,824	$	1,292	$	3,099	$	2,578
Per-unit royalty revenue	9,057		4,301		14,850		9,197
Total royalty and license revenue	10,881		5,593		17,949		11,775
Development, services, and other revenue	129		75		220		150
Total revenue	$	11,010	$	5,668	$	18,169	$	11,925