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Segments and Major Customers (Tables) | 6 Months Ended
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Jun. 30, 2013
Segment Reporting [Abstract] |
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, 2013 and 2012, respectively.
| For the Three Months Ended June 30, 2013 |  | For the Six Months Ended June 30, 2013
| MID |  | CTO |  | All Other |  | Total |  | MID |  | CTO |  | All Other |  | Total
| (In thousands) |  | (In thousands)
Revenues | $ | 49,456 |  |  | $ | — |  |  | $ | 8,463 |  |  | $ | 57,919 |  |  | $ | 109,131 |  |  | $ | — |  |  | $ | 15,654 |  |  | $ | 124,785 |
Other patent royalties received | 3,125 |  |  | — |  |  | 267 |  |  | 3,392 |  |  | 5,000 |  |  | — |  |  | 3,629 |  |  | 8,629 |
Customer licensing income | $ | 52,581 |  |  | $ | — |  |  | $ | 8,730 |  |  | $ | 61,311 |  |  | $ | 114,131 |  |  | $ | — |  |  | $ | 19,283 |  |  | $ | 133,414 |
Segment operating expenses | 9,347 |  |  | 7,074 |  |  | 12,215 |  |  | 28,636 |  |  | 18,272 |  |  | 14,932 |  |  | 22,289 |  |  | 55,493 |
Segment operating income (loss) | $ | 43,234 |  |  | $ | (7,074 | ) |  | $ | (3,485 | ) |  | $ | 32,675 |  |  | $ | 95,859 |  |  | $ | (14,932 | ) |  | $ | (3,006 | ) |  | $ | 77,921 |
Reconciling items |  |  |  |  |  |  |  |  | (26,931 | ) |  |  |  |  |  |  |  |  |  | (70,736 | )
Operating income |  |  |  |  |  |  |  |  | $ | 5,744 |  |  |  |  |  |  |  |  |  |  | $ | 7,185 |
Interest and other income (expense), net |  |  |  |  |  |  |  |  | (8,845 | ) |  |  |  |  |  |  |  |  |  | (16,177 | )
Loss before income taxes |  |  |  |  |  |  |  |  | $ | (3,101 | ) |  |  |  |  |  |  |  |  |  | $ | (8,992 | )
| For the Three Months Ended June 30, 2012 |  | For the Six Months Ended June 30, 2012
| MID |  | CTO |  | All Other |  | Total |  | MID |  | CTO |  | All Other |  | Total
| (In thousands) |  | (In thousands)
Revenues | $ | 52,137 |  |  | $ | — |  |  | $ | 4,078 |  |  | $ | 56,215 |  |  | $ | 109,225 |  |  | $ | — |  |  | $ | 9,853 |  |  | $ | 119,078 |
Other patent royalties received | — |  |  | — |  |  | 1,201 |  |  | 1,201 |  |  | — |  |  | — |  |  | 3,615 |  |  | 3,615 |
Customer licensing income | $ | 52,137 |  |  | $ | — |  |  | $ | 5,279 |  |  | $ | 57,416 |  |  | $ | 109,225 |  |  | $ | — |  |  | $ | 13,468 |  |  | $ | 122,693 |
Segment operating expenses | 10,045 |  |  | 7,864 |  |  | 8,117 |  |  | 26,026 |  |  | 21,594 |  |  | 14,368 |  |  | 16,188 |  |  | 52,150 |
Segment operating income (loss) | $ | 42,092 |  |  | $ | (7,864 | ) |  | $ | (2,838 | ) |  | $ | 31,390 |  |  | $ | 87,631 |  |  | $ | (14,368 | ) |  | $ | (2,720 | ) |  | $ | 70,543 |
Reconciling items |  |  |  |  |  |  |  |  | (53,139 | ) |  |  |  |  |  |  |  |  |  | (109,850 | )
Operating loss |  |  |  |  |  |  |  |  | $ | (21,749 | ) |  |  |  |  |  |  |  |  |  | $ | (39,307 | )
Interest and other income (expense), net |  |  |  |  |  |  |  |  | (6,630 | ) |  |  |  |  |  |  |  |  |  | (13,112 | )
Loss before income taxes |  |  |  |  |  |  |  |  | $ | (28,379 | ) |  |  |  |  |  |  |  |  |  | $ | (52,419 | )
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, 2013 and 2012, respectively, were as follows:
|  | Three Months Ended |  | Six Months Ended
|  | June 30, |  | June 30,
Customer |  | 2013 |  | 2012 |  | 2013 |  | 2012
Customer A |  | 39 | % |  | 38 | % |  | 36 | % |  | 38 | %
Customer B |  | * |  |  | * |  |  | * |  |  | 10 | %
_________________________________________ * Customer accounted for less than 10% of total revenue in the period
Revenue from external customer by geographic regions | Revenue from customers in the geographic regions based on the location of customers' headquarters is as follows:
|  | Three Months Ended |  | Six Months Ended
|  | June 30, |  | June 30,
(In thousands) |  | 2013 |  | 2012 |  | 2013 |  | 2012
South Korea |  | $ | 22,502 |  |  | $ | 21,468 |  |  | $ | 44,527 |  |  | $ | 44,715 |
USA |  | 15,106 |  |  | 15,280 |  |  | 40,675 |  |  | 31,469 |
Japan |  | 12,261 |  |  | 15,902 |  |  | 26,869 |  |  | 33,471 |
Europe |  | 5,432 |  |  | 943 |  |  | 7,560 |  |  | 2,072 |
Canada |  | 1,862 |  |  | 1,872 |  |  | 3,648 |  |  | 3,851 |
Asia-Other |  | 756 |  |  | 750 |  |  | 1,506 |  |  | 3,500 |
Total |  | $ | 57,919 |  |  | $ | 56,215 |  |  | $ | 124,785 |  |  | $ | 119,078 |

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