Organization and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Timing of Revenue Recognition

		Three Months Ended
		March 31,
	2020		2019
Products transferred at a point in time	$	18,009	$	24,135
Products and services transferred over time		2,012		3,978
	$	20,021	$	28,113

Schedule of Contract Assets and Contract Liabilities

	March 31,		December 31,
	2020		2019		Change
	(in thousands)
Contract assets:
Accounts receivable, unbilled	$	5,593	$	4,795	$	798
Contract liabilities:
Deferred revenue	$	224	$	415	$	(191)

Schedule of Customer Concentration as Percentage of Total Revenue and Gross Receivable

Customer concentrations as a percentage of revenue, net were as follows:

	Three Months Ended
	March 31,
	2020		2019
Customer A	*	%	26	%
Customer B	12	%	*	%

*less than 10%

Customer concentrations as a percentage of gross accounts receivable were as follows:

	March 31,		December 31,
	2020		2019
Customer C	47	%	45	%