Business Segments, Concentration of Credit Risk and Significant Customers (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Schedule of Revenue from Shipment of Product and Licensing of its Technologies to Customers by Geographical Location

The Company recognized revenue from shipment of product and licensing of its technologies to customers by geographical location as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
North America	$	1,807	$	2,587	$	2,618	$	5,074
Japan		14		346		250		1,252
Taiwan		108		54		247		128
Rest of world		39		79		113		132
Total net revenue	$	1,968	$	3,066	$	3,228	$	6,586

Schedule of Customers Who Accounted for at Least 10% of Total Net Revenue

Customers who accounted for at least 10% of total net revenue were:

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2020	2019	2020	2019
Customer A	44%	*%	32%	*%
Customer B	29%	12%	28%	13%
Customer C	*%	29%	*%	26%
Customer D	*%	27%	*%	21%

* Represents less than 10%