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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The changes in accumulated other comprehensive income by component were as follows:
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2013 | 2012 |  | 2013 | 2012
Foreign currency translation |  |  |  |  |  |
Balance at beginning of period |  | $ | (142 | ) | $ | 449 |  |  | $ | (419 | ) | $ | 345 |
Other comprehensive income: |  |  |  |  |  |
Foreign currency translation adjustments (1) |  | 162 |  | (420 | ) |  | 439 |  | (316 | )
Balance at end of period |  | $ | 20 |  | $ | 29 |  |  | $ | 20 |  | $ | 29 |
Available-for-sale marketable securities |  |  |  |  |  |
Balance at beginning of period |  | $ | 15 |  | $ | 25 |  |  | $ | 27 |  | $ | 36 |
Other comprehensive income (loss): |  |  |  |  |  |
Net unrealized holding gain (loss) (2) |  | 4 |  | 17 |  |  | (16 | ) | — |
Deferred income taxes (2) |  | (2 | ) | (6 | ) |  | 6 |  | — |
Total other comprehensive income (loss) |  | 2 |  | 11 |  |  | (10 | ) | — |
Balance at end of period |  | $ | 17 |  | $ | 36 |  |  | $ | 17 |  | $ | 36 |
Total accumulated other comprehensive income |  | $ | 37 |  | $ | 65 |  |  | $ | 37 |  | $ | 65 |
(1) | In all periods presented, there were no tax impacts related to rate changes and no amounts were reclassified to earnings.
(2) | In all periods presented, there were no realized holding gains or losses and therefore no amounts were reclassified to earnings.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
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