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Segments and Major Customers (Tables) | 9 Months Ended
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Sep. 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 nine months ended September 30, 2013 and 2012, respectively.
| For the Three Months Ended September 30, 2013 |  | For the Nine Months Ended September 30, 2013
| MID |  | CTO |  | All Other |  | Total |  | MID |  | CTO |  | All Other |  | Total
| (In thousands) |  | (In thousands)
Revenues | $ | 66,103 |  |  | $ | — |  |  | $ | 7,191 |  |  | $ | 73,294 |  |  | $ | 175,233 |  |  | $ | — |  |  | $ | 22,846 |  |  | $ | 198,079 |
Other patent royalties received | 179 |  |  | — |  |  | 850 |  |  | 1,029 |  |  | 5,179 |  |  | — |  |  | 4,479 |  |  | 9,658 |
Customer licensing income | $ | 66,282 |  |  | $ | — |  |  | $ | 8,041 |  |  | $ | 74,323 |  |  | $ | 180,412 |  |  | $ | — |  |  | $ | 27,325 |  |  | $ | 207,737 |
Segment operating expenses | 7,730 |  |  | 6,530 |  |  | 11,475 |  |  | 25,735 |  |  | 26,001 |  |  | 21,462 |  |  | 33,765 |  |  | 81,228 |
Segment operating income (loss) | $ | 58,552 |  |  | $ | (6,530 | ) |  | $ | (3,434 | ) |  | $ | 48,588 |  |  | $ | 154,411 |  |  | $ | (21,462 | ) |  | $ | (6,440 | ) |  | $ | 126,509 |
Reconciling items |  |  |  |  |  |  |  |  | (39,523 | ) |  |  |  |  |  |  |  |  |  | (110,259 | )
Operating income |  |  |  |  |  |  |  |  | $ | 9,065 |  |  |  |  |  |  |  |  |  |  | $ | 16,250 |
Interest and other income (expense), net |  |  |  |  |  |  |  |  | (8,486 | ) |  |  |  |  |  |  |  |  |  | (24,663 | )
Income (loss) before income taxes |  |  |  |  |  |  |  |  | $ | 579 |  |  |  |  |  |  |  |  |  |  | $ | (8,413 | )
| For the Three Months Ended September 30, 2012 |  | For the Nine Months Ended September 30, 2012
| MID |  | CTO |  | All Other |  | Total |  | MID |  | CTO |  | All Other |  | Total
| (In thousands) |  | (In thousands)
Revenues | $ | 54,044 |  |  | $ | — |  |  | $ | 3,486 |  |  | $ | 57,530 |  |  | $ | 163,269 |  |  | $ | — |  |  | $ | 13,339 |  |  | $ | 176,608 |
Other patent royalties received | 3,750 |  |  | — |  |  | 1,125 |  |  | 4,875 |  |  | 3,750 |  |  | — |  |  | 4,740 |  |  | 8,490 |
Customer licensing income | $ | 57,794 |  |  | $ | — |  |  | $ | 4,611 |  |  | $ | 62,405 |  |  | $ | 167,019 |  |  | $ | — |  |  | $ | 18,079 |  |  | $ | 185,098 |
Segment operating expenses | 7,147 |  |  | 6,801 |  |  | 7,247 |  |  | 21,195 |  |  | 28,741 |  |  | 21,169 |  |  | 23,435 |  |  | 73,345 |
Segment operating income (loss) | $ | 50,647 |  |  | $ | (6,801 | ) |  | $ | (2,636 | ) |  | $ | 41,210 |  |  | $ | 138,278 |  |  | $ | (21,169 | ) |  | $ | (5,356 | ) |  | $ | 111,753 |
Reconciling items |  |  |  |  |  |  |  |  | (88,310 | ) |  |  |  |  |  |  |  |  |  | (198,160 | )
Operating loss |  |  |  |  |  |  |  |  | $ | (47,100 | ) |  |  |  |  |  |  |  |  |  | $ | (86,407 | )
Interest and other income (expense), net |  |  |  |  |  |  |  |  | (7,133 | ) |  |  |  |  |  |  |  |  |  | (20,245 | )
Loss before income taxes |  |  |  |  |  |  |  |  | $ | (54,233 | ) |  |  |  |  |  |  |  |  |  | $ | (106,652 | )
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 nine months ended September 30, 2013 and 2012, respectively, was as follows:
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
Customer |  | 2013 |  | 2012 |  | 2013 |  | 2012
Customer A |  | 31 | % |  | 38 | % |  | 34 | % |  | 38 | %
Customer B |  | 16 | % |  | * |  |  | * |  |  | * |
Customer C |  | 10 | % |  | * |  |  | * |  |  | * |
Customer D |  | * |  |  | * |  |  | * |  |  | 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 |  | Nine Months Ended
|  | September 30, |  | September 30,
(In thousands) |  | 2013 |  | 2012 |  | 2013 |  | 2012
South Korea |  | $ | 34,343 |  |  | $ | 21,648 |  |  | $ | 78,871 |  |  | $ | 66,363 |
USA |  | 15,880 |  |  | 14,309 |  |  | 56,555 |  |  | 45,778 |
Japan |  | 15,943 |  |  | 17,347 |  |  | 42,812 |  |  | 50,818 |
Europe |  | 4,098 |  |  | 1,493 |  |  | 11,658 |  |  | 3,564 |
Canada |  | 2,280 |  |  | 1,983 |  |  | 5,928 |  |  | 5,835 |
Asia-Other |  | 750 |  |  | 750 |  |  | 2,255 |  |  | 4,250 |
Total |  | $ | 73,294 |  |  | $ | 57,530 |  |  | $ | 198,079 |  |  | $ | 176,608 |

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