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

12 Months Ended

Dec. 31, 2019

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 licensing of its technologies and shipment of ICs to customers in the following geographical locations (in thousands):

		Year Ended
		December 31,
		2019				2018				2017
North America		$	7,585			$	12,998			$	6,531
Japan			1,734				2,956				1,520
Taiwan			345				399				613
Rest of world			422				247				178
Total net revenue		$	10,086			$	16,600			$	8,842

Schedule of customers who accounted for at least 10% of total net revenue

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

		Year Ended
		December 31,
		2019				2018				2017
Customer A			30	%			32	%			46	%
Customer B			17	%			18	%			17	%
Customer C			14	%		*				*
Customer D			13	%			18	%		*
Customer E		*					15	%			11	%

* Represents percentage less than 10%.

X

- Definition

Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer.

+ References

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- Definition

Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599

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