Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2020

Revenue Recognition

Schedule of disaggregation of revenues

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

		Three Months Ended June 30, 2020
		Product		License and royalty		Contract
		revenue		revenue		revenue		Total
Timing of revenue recognition:
Products transferred at a point in time	$	-	$	572	$	-	$	572
Product and services transferred over time		-		-		15		15
Total	$	-	$	572	$	15	$	587

		Six Months Ended June 30, 2020
		Product		License and royalty		Contract
		revenue		revenue		revenue		Total
Timing of revenue recognition:
Products transferred at a point in time	$	1,247	$	784	$	4	$	2,035
Product and services transferred over time		-		-		21		21
Total	$	1,247	$	784	$	25	$	2,056

		Three Months Ended June 30, 2019
		Product		License and royalty		Contract
		revenue		revenue		revenue		Total
Timing of revenue recognition:
Products transferred at a point in time	$	-	$	-	$	36	$	36
Product and services transferred over time		-		-		1,204		1,204
Total	$	-	$	-	$	1,240	$	1,240

		Six Months Ended June 30, 2019
		Product		License and royalty		Contract
		revenue		revenue		revenue		Total
Timing of revenue recognition:
Products transferred at a point in time	$	199	$	-	$	52	$	251
Product and services transferred over time		-		-		2,840		2,840
Total	$	199	$	-	$	2,892	$	3,091

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):

		June 30,		December 31,
		2020		2019
Accounts receivable, net	$	-	$	1,079
Accrued liabilities		159		432
Deferred revenue		-		21
Contract liabilities		8,699		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):

		June 30,		December 31,
		2020		2019		$ Change	% Change
Contract assets	$	-	$	-	$	-	-
Contract liabilities		(8,858)		(10,208)		1,350	(13.2)
Net contract assets (liabilities)	$	(8,858)	$	(10,208)	$	1,350	(13.2)

Transaction price allocated to the remaining performance obligations, expected timing

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

		Remainder of 2020		2021
License and royalty revenue	$	1,051	$	-