Segments and Major Customers (Tables)

6 Months Ended

Jun. 30, 2017

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

The tables below present reported segment operating income (loss) for the three and six months ended June 30, 2017 and 2016, respectively.



	For the Three Months Ended June 30, 2017										For the Six Months Ended June 30, 2017
	MID		RSD		Other			Total			MID		RSD		Other			Total
	(In thousands)										(In thousands)
Revenues	$	67,402	$	23,366	$	3,952		$	94,720		$	137,997	$	46,571	$	7,503		$	192,071
Segment operating expenses	23,801		12,214		8,654			44,669			44,056		24,613		17,389			86,058
Segment operating income (loss)	$	43,601	$	11,152	$	(4,702	)	$	50,051		$	93,941	$	21,958	$	(9,886	)	$	106,013
Reconciling items								(41,807		)								(84,335		)
Operating income								$	8,244									$	21,678
Interest and other income (expense), net								(3,132		)								(6,184		)
Income before income taxes								$	5,112									$	15,494



	For the Three Months Ended June 30, 2016										For the Six Months Ended June 30, 2016
	MID		RSD		Other			Total			MID		RSD		Other			Total
	(In thousands)										(In thousands)
Revenues	$	54,467	$	16,407	$	5,627		$	76,501		$	108,012	$	30,508	$	10,663		$	149,183
Segment operating expenses	13,229		13,105		7,092			33,426			25,272		25,015		14,218			64,505
Segment operating income (loss)	$	41,238	$	3,302	$	(1,465	)	$	43,075		$	82,740	$	5,493	$	(3,555	)	$	84,678
Reconciling items								(31,067		)								(63,376		)
Operating income								$	12,008									$	21,302
Interest and other income (expense), net								(2,025		)								(4,924		)
Income before income taxes								$	9,983									$	16,378

Revenue from external customer by geographic regions

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



	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In thousands)	2017		2016		2017		2016
South Korea	$	28,291	$	31,632	$	57,260	$	63,086
USA	41,155		26,532		79,593		51,776
Japan	7,057		5,911		13,575		10,898
Europe	4,243		4,377		8,681		8,189
Canada	1,352		1,168		2,420		1,382
Singapore	4,889		4,526		12,636		9,145
Asia-Other	7,733		2,355		17,906		4,707
Total	$	94,720	$	76,501	$	192,071	$	149,183

Accounts Receivable [Member]

Concentration Risk [Line Items]

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 June 30, 2017 and December 31, 2016, respectively, was as follows:



	As of
Customer	June 30, 2017		December 31, 2016
Customer 1 (RSD reportable segment)	*		17	%
Customer 2 (Other segment)	*		12	%
Customer 3 (MID reportable segment)	20	%	13	%
Customer 4 (MID reportable segment)	25	%	*

_________________________________________

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

Sales, net

Concentration Risk [Line Items]

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 three and six months ended June 30, 2017 and 2016, respectively, was as follows:



	Three Months Ended				Six Months Ended
	June 30,				June 30,
Customer	2017		2016		2017		2016
Customer A (MID and RSD reportable segments)	17	%	20	%	17	%	21	%
Customer B (MID reportable segment)	13	%	21	%	13	%	21	%
Customer C (MID reportable segment)	14	%	13	%	14	%	13	%