REVENUE RECOGNITION (Tables)

6 Months Ended

Jun. 30, 2020

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, 2020 and 2019 (in thousands).

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Fixed fee license revenue	$	1,292	$	4,254	$	2,578	$	5,994
Per-Unit royalty revenue	4,301		4,414		9,197		7,721
Total royalty and license revenue	5,593		8,668		11,775		13,715
Development, services, and other revenue	75		75		150		150
Total revenue	$	5,668	$	8,743	$	11,925	$	13,865