|
3. Cash and cash equivalents and marketable securities
Cash and cash equivalents, and marketable securities consisted of the following:
|
|
|
June 30,
2011 |
|
December 31,
2010 |
|
|
|
|
(in thousands) |
|
|
Cash and cash equivalents: |
|
|
|
|
|
|
Cash |
|
$ |
2,997 |
|
$ |
10,931 |
|
|
Money market securities |
|
68,696 |
|
14,790 |
|
|
Total cash and cash equivalents |
|
$ |
71,693 |
|
$ |
25,721 |
|
|
|
|
|
|
|
|
|
Short-term marketable securities—available-for-sale: |
|
|
|
|
|
|
United States government securities |
|
$ |
9,373 |
|
$ |
9,373 |
|
|
Total short-term marketable securities |
|
$ |
9,373 |
|
$ |
9,373 |
|
All contractual maturities of U.S. government marketable securities are less than one year at June 30, 2011 and are fully guaranteed. For the six months ended June 30, 2011 and 2010, interest income was $18,000 and $8,000 respectively, which is included in interest and other income (expense), net in the accompanying condensed consolidated statements of operations. |