Segments and Major Customers (Tables)

12 Months Ended

Dec. 31, 2015

Reported segment revenues, and reported segment operating income (loss)

The tables below present reported segment operating income (loss) for the years ended December 31, 2015, 2014 and 2013:



	For the Year Ended December 31, 2015
	MID		CRD		Other			Total
	(In thousands)
Revenues	$	221,968	$	50,497	$	23,813		$	296,278
Segment operating expenses	47,780		29,056		32,147			108,983
Segment operating income (loss)	$	174,188	$	21,441	$	(8,334	)	$	187,295
Reconciling items								(115,875		)
Operating income								$	71,420
Interest and other income (expense), net								(11,189		)
Income before income taxes								$	60,231



	For the Year Ended December 31, 2014
	MID		CRD		Other			Total
	(In thousands)
Revenues	$	226,303	$	49,330	$	20,925		$	296,558
Segment operating expense	40,816		27,608		34,106			102,530
Segment operating income (loss)	$	185,487	$	21,722	$	(13,181	)	$	194,028
Reconciling items								(118,682		)
Operating income								$	75,346
Interest and other income (expense), net								(25,096		)
Income before income taxes								$	50,250



	For the Year Ended December 31, 2013
	MID		CRD		Other			Total
	(In thousands)
Revenues	$	232,040	$	32,625	$	6,836		$	271,501
Segment operating expenses	34,823		20,322		42,306			97,451
Segment operating income (loss)	$	197,217	$	12,303	$	(35,470	)	$	174,050
Reconciling items								(151,586		)
Operating income								$	22,464
Interest and other income (expense), net								(34,481		)
Loss before income taxes								$	(12,017	)

Revenue from external customer by geographic regions

Revenue from customers in the geographic regions based on the location of contracting parties is as follows:



	Years Ended December 31,
	2015		2014		2013
	(In thousands)
South Korea	$	115,486	$	107,441	$	112,806
USA	118,278		109,060		80,652
Japan	29,687		30,454		51,156
Europe	9,616		21,349		15,985
Canada	214		7,119		7,896
Singapore	16,312		12,980		—
Asia-Other	6,685		8,155		3,006
Total	$	296,278	$	296,558	$	271,501

Accounts Receivable [Member]

Concentration Risk

Schedule of customer accounts representing 10% or more than 10% of total revenue

Accounts receivable from the Company's major customers representing 10% or more of total accounts receivable at December 31, 2015 and December 31, 2014, respectively, was as follows:



	Years Ended December 31,
Customer	2015		2014
Customer 1 (MID reportable segment)	16	%	33	%
Customer 2 (Other segment)	27	%	50	%
Customer 3 (MID reportable segment)	28	%	*
Customer 4 (CRD reportable segment)	21	%	*

_________________________________________

* Customer accounted for less than 10% of total accounts receivable in the period

Sales, net

Concentration Risk

Schedule of customer accounts representing 10% or more than 10% of total revenue

Revenue from the Company’s major customers representing 10% or more of total revenue for the years ended December 31, 2015, 2014 and 2013 were as follows:



	Years Ended December 31,
	2015		2014		2013
Customer A (MID and CRD reportable segments)	20	%	20	%	33	%
Customer B (MID reportable segment)	19	%	16	%	*
Customer C (MID reportable segment)	13	%	13	%	*

_________________________________________

* Customer accounted for less than 10% of total revenue in the period