DESCRIPTION OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2021

DESCRIPTION OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Schedule of revenue disaggregated by revenue source

Revenue disaggregated by revenue source for the years ended December 31, 2021 and 2020 consists of the following (in thousands); revenue excludes sales and usage-based taxes where it has been determined that we are acting as a pass-through agent:    

	Years Ended December 31,
	2021		2020
Product sales	$	4,710	$	4,829
Royalties		8,532		8,344
Total revenue	$	13,242	$	13,173