Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2020

Revenue Recognition

Schedule of disaggregation of revenues

The following table provides information about disaggregated revenue by timing of revenue recognition, (in thousands):

		Year Ended December 31, 2020
				License and
		Product		royalty		Contract
		revenue		revenue		revenue		Total
Timing of revenue recognition:
Products transferred at a point in time	$	1,347	$	1,718	$	4	$	3,069
Product and services transferred over time		-		-		21		21
Total	$	1,347	$	1,718	$	25	$	3,090

		Year Ended December 31, 2019
				License and
		Product		royalty		Contract
		revenue		revenue		revenue		Total
Timing of revenue recognition:
Products transferred at a point in time	$	5,345	$	99	$	178	$	5,622
Product and services transferred over time		-		-		3,264		3,264
Total	$	5,345	$	99	$	3,442	$	8,886

Costs in excess of billings and billings in excess of costs

The following table provides information about receivables, contract assets, and contract liabilities from contracts with customers (in thousands):

		December 31,
		2020		2019
Accounts receivable, net	$	-	$	1,079
Accrued liabilities		-		432
Deferred revenue		-		21
Contract liabilities		7,765		9,755

Schedule of contract assets and liabilities

Significant changes in the contract assets and the contract liabilities balances during the period are as follows (in thousands, except percentages):

		December 31,		December 31,
		2020		2019		$ Change	% Change
Contract assets	$	-	$	-	$	-	-
Contract liabilities		(7,765)		(10,208)		2,443	23.9
Net contract assets (liabilities)	$	(7,765)	$	(10,208)	$	2,443	23.9

Transaction price allocated to the remaining performance obligations, expected timing

The following table provides information about the estimated timing of revenue recognition (in thousands):

		2021		2022
License and royalty revenue	$	3,222	$	-