Information Concerning Product Lines, Geographic Information and Revenue Concentration (Tables)

6 Months Ended

Jul. 01, 2018

Segment Reporting [Abstract]

Schedule of revenue by product line

The following is a breakdown of revenue by product line (in thousands):

	Three Months Ended				Six Months Ended
	July 1, 2018		July 2, 2017		July 1, 2018		July 2, 2017
Revenue by product line (1):
New products	$	1,581	$	1,491	$	2,881	$	3,403
Mature products		1,541		1,535		3,005		2,793
Total revenue	$	3,122	$	3,026	$	5,886	$	6,196

(1) For all periods presented: New products include all products manufactured on 180 nanometer or smaller semiconductor processes. eFPGA IP license revenue is also included in new product revenue. Mature products include all products produced on semiconductor processes larger than 180 nanometers.

Schedule of revenue by shipment destination

The following is a breakdown of revenue by shipment destination (in thousands):

	Three Months Ended				Six Months Ended
	July 1, 2018		July 2, 2017		July 1, 2018		July 2, 2017
Revenue by geography:
Asia Pacific (1)	$	1,372	$	1,676	$	2,293	$	3,409
North America (2)		1,474		1,090		3,039		2,223
Europe		276		260		554		564
Total revenue	$	3,122	$	3,026	$	5,886	$	6,196

⁽¹⁾ Asia Pacific includes revenue from Japan of $632,000, or 20% of total revenue, and $370,000, or 12% of total revenue, for the quarters ended July 1, 2018 and July 2, 2017, respectively. For the six months ended July 1, 2018 and July 2, 2017, revenue from Japan was $1.0 million, or 17% of total revenue, and $866,000, or 14%, respectively. Revenue from China was $466,000, or 15% and $356,000, or 12%, for the quarters ended July 1, 2018 and July 2, 2017, respectively. For the six months ended July 1, 2018 and July 2, 2017 revenue from China was $602,000, or 10% and $667,000, or 11%, respectively.

⁽²⁾ North America includes revenue from the United States of $1.4 million, or 46% of total revenue, and $1.0 million, or 34%, for the quarters ended July 1, 2018 and July 2, 2017, respectively. For the six months ended July 1, 2018 and July 2, 2017, revenue from the United States was $3.0 million, or 50% of total revenue, and $2.2 million, or 35%, respectively.

Summary of distributors and customers accounting for 10% or more of revenue

The following distributors and customers accounted for 10% or more of the Company's revenue for the periods presented:

	Three Months Ended						Six Months Ended
	July 1, 2018			July 2, 2017			July 1, 2018			July 2, 2017
Distributor "A"		32	%		33	%		36	%		32	%
Distributor "E"		15	%	*			*			*
Distributor "G"		10	%	*			*			*
Customer "G"	*				21	%	*				22	%
Customer "H"		16	%	*				13	%	*
Customer "J"		15	%	*				16	%	*
Customer "B"		14	%		15	%		12	%		12	%
Customer "I"		10	%	*			*			*

Schedule of distributors and customers accounting for 10% or more of accounts receivable

The following distributors and customers accounted for 10% or more of the Company's accounts receivable as of the dates presented:

	July 1, 2018			December 31, 2017
Distributor "A"		24	%		45	%
Distributor “E”		21	%	*
Distributor "I"		21	%	*
Distributor "G"		14	%	*
Customer "G"	*				12	%

* Represents less than 10% of accounts receivable as of the date presented.