Segments and Major Customers (Tables)

6 Months Ended

Jun. 30, 2019

Concentration Risk [Line Items]

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, 2019 and 2018, respectively.

	For the Three Months Ended June 30, 2019										For the Six Months Ended June 30, 2019
	MID		RSD		Other			Total			MID		RSD			Other			Total
	(In thousands)										(In thousands)
Revenues	$	45,452	$	12,845	$	—		$	58,297		$	79,942	$	26,739		$	—		$	106,681
Segment operating expenses	25,440		12,690		2,004			40,134			49,419		26,911			4,487			80,817
Segment operating income (loss)	$	20,012	$	155	$	(2,004	)	$	18,163		$	30,523	$	(172	)	$	(4,487	)	$	25,864
Reconciling items								(55,209		)									(94,319		)
Operating loss								$	(37,046	)									$	(68,455	)
Interest and other income (expense), net								4,438											9,580
Loss before income taxes								$	(32,608	)									$	(58,875	)

	For the Three Months Ended June 30, 2018										For the Six Months Ended June 30, 2018
	MID		RSD		Other			Total			MID		RSD		Other			Total
	(In thousands)										(In thousands)
Revenues	$	34,976	$	21,482	$	—		$	56,458		$	68,965	$	31,478	$	2,441		$	102,884
Segment operating expenses	22,597		14,893		3,209			40,699			45,546		27,678		8,840			82,064
Segment operating income (loss)	$	12,379	$	6,589	$	(3,209	)	$	15,759		$	23,419	$	3,800	$	(6,399	)	$	20,820
Reconciling items								(35,746		)								(84,420		)
Operating loss								$	(19,987	)								$	(63,600	)
Interest and other income (expense), net								3,615										8,310
Loss before income taxes								$	(16,372	)								$	(55,290	)

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)	2019		2018		2019		2018
Taiwan	$	12,760	$	348	$	14,861	$	16,458
South Korea	758		1,666		2,039		10,267
USA	29,964		29,864		64,203		41,085
Japan	2,527		12,278		5,146		16,312
Europe	2,640		3,605		6,015		7,471
Canada	1,423		1,885		2,481		3,295
Singapore	4,725		6,058		6,609		6,150
Asia-Other	3,500		754		5,327		1,846
Total	$	58,297	$	56,458	$	106,681	$	102,884

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, 2019 and December 31, 2018, respectively, was as follows:

	As of
Customer	June 30, 2019		December 31, 2018
Customer 1 (MID reportable segment)	30	%	39	%
Customer 2 (MID reportable segment)	11	%	*
Customer 3 (MID reportable segment)	*		12	%

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*    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, 2019 and 2018, respectively, was as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
Customer	2019		2018		2019		2018
Customer A (MID reportable segment)	15	%	*		*		*
Customer B (MID and RSD reportable segment)	14	%	*		15	%	*
Customer C (MID reportable segment)	11	%	*		11	%	*
Customer D (MID and RSD reportable segments)	*		28	%	*		16	%
Customer E (MID and RSD reportable segments)	*		15	%	*		*
Customer F (MID reportable segment)	*		11	%	*		*
Customer G (MID reportable segment)	*		*		*		15	%

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