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Segments and Major Customers (Tables) | 3 Months Ended
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Mar. 31, 2016
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 months ended March 31, 2016 and 2015, respectively.
| For the Three Months Ended March 31, 2016
| MID |  | CRD |  | Other |  | Total
| (In thousands)
Revenues | $ | 53,545 |  |  | $ | 14,101 |  |  | $ | 5,036 |  |  | $ | 72,682 |
Segment operating expenses | 12,043 |  |  | 11,910 |  |  | 7,126 |  |  | 31,079 |
Segment operating income (loss) | $ | 41,502 |  |  | $ | 2,191 |  |  | $ | (2,090 | ) |  | $ | 41,603 |
Reconciling items |  |  |  |  |  |  |  |  | (32,309 | )
Operating income |  |  |  |  |  |  |  |  | $ | 9,294 |
Interest and other income (expense), net |  |  |  |  |  |  |  |  | (2,899 | )
Income before income taxes |  |  |  |  |  |  |  |  | $ | 6,395 |
| For the Three Months Ended March 31, 2015
| MID |  | CRD |  | Other |  | Total
| (In thousands)
Revenues | $ | 54,733 |  |  | $ | 12,826 |  |  | $ | 5,355 |  |  | $ | 72,914 |
Segment operating expenses | 11,520 |  |  | 7,339 |  |  | 7,259 |  |  | 26,118 |
Segment operating income (loss) | $ | 43,213 |  |  | $ | 5,487 |  |  | $ | (1,904 | ) |  | $ | 46,796 |
Reconciling items |  |  |  |  |  |  |  |  | (28,904 | )
Operating income |  |  |  |  |  |  |  |  | $ | 17,892 |
Interest and other income (expense), net |  |  |  |  |  |  |  |  | (2,951 | )
Income before income taxes |  |  |  |  |  |  |  |  | $ | 14,941 |
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
|  | March 31,
(In thousands) |  | 2016 |  | 2015
South Korea |  | $ | 31,454 |  |  | $ | 26,821 |
USA |  | 25,265 |  |  | 27,707 |
Japan |  | 4,987 |  |  | 8,491 |
Europe |  | 3,793 |  |  | 5,175 |
Canada |  | 214 |  |  | 196 |
Singapore |  | 4,619 |  |  | 2,810 |
Asia-Other |  | 2,350 |  |  | 1,714 |
Total |  | $ | 72,682 |  |  | $ | 72,914 |
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 March 31, 2016 and December 31, 2015, respectively, was as follows:
|  | As of
Customer |  | March 31, 2016 |  | December 31, 2015
Customer 1 (Other segment) |  | 24 | % |  | 27 | %
Customer 2 (CRD reportable segment) |  | 21 | % |  | 21 | %
Customer 3 (MID reportable segment) |  | * |  |  | 28 | %
Customer 4 (MID reportable segment) |  | * |  |  | 16 | %
_________________________________________
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 months ended March 31, 2016 and 2015, respectively, was as follows:
|  | Three Months Ended
|  | March 31,
Customer |  | 2016 |  | 2015
Customer A (MID and CRD reportable segments) |  | 21 | % |  | 21 | %
Customer B (MID reportable segment) |  | 22 | % |  | 16 | %
Customer C (MID reportable segment) |  | 13 | % |  | 13 | %

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