Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2020
		Product		Royalty		Contract
		revenue		revenue		revenue		Total
Timing of revenue recognition:
Products transferred at a point in time	$	1,247	$	212	$	4	$	1,463
Product and services transferred over time		-		-		6		6
Total	$	1,247	$	212	$	10	$	1,469

		Three Months Ended March 31, 2019
		Product		Royalty		Contract
		revenue		revenue		revenue		Total
Timing of revenue recognition:
Products transferred at a point in time	$	199	$	-	$	16	$	215
Product and services transferred over time		-		-		1,636		1,636
Total	$	199	$	-	$	1,652	$	1,851

Costs in excess of billings and billings in excess of costs

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

		March 31,		December 31,
		2020		2019
Accounts receivable, net	$	552	$	1,079
Accrued liabilities		200		432
Deferred revenue		15		21
Contract liabilities		9,271		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):

		March 31,		December 31,
		2020		2019		$ Change	% Change
Contract assets	$	-	$	-	$	-	-
Contract liabilities		(9,486)		(10,208)		722	(7.1)
Net contract assets (liabilities)	$	(9,486)	$	(10,208)	$	722	(7.1)

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	$	1,375	$	-
Contract revenue		15		-