v2.4.0.6

Cash and cash equivalents and marketable securities (Tables) | 9 Months Ended
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Sep. 30, 2012
Cash and cash equivalents and marketable securities |
Schedule of cash and cash equivalents, and marketable securities |
|  | September 30, 2012 |  | December 31, 2011 |
Cash and cash equivalents: |  |  |  |  |
Cash |  | $ | 11,587 |  | $ | 12,851 |
Money market accounts |  | 45,763 |  | 81,082 |
Total cash and cash equivalents |  | $ | 57,350 |  | $ | 93,933 |
Short-term marketable securities—available-for-sale: |  |  |  |  |
Marketable securities |  | $ | 37,219 |  | $ | — |
Total short-term marketable securities |  | $ | 37,219 |  | $ | — |

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- Definition Tabular disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities. + References No definition available. + Details
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