Cash And Investments

12 Months Ended

Dec. 31, 2011

Cash And Investments [Abstract]

Cash And Investments

2. Cash and Investments

Cash, cash equivalents, short-term investments, long-term investments and restricted cash consist of the following (in thousands):

	December 31,
	2011		2010
Cash	$	1,428	$	736
Cash and cash equivalents:
Corporate debt		501		—
Money market funds		6,576		10,078
Total cash equivalents		7,077		10,078
Total cash and cash equivalents		8,505		10,814
Short-term investments:
U.S. agency securities		1,751		2,250
Municipal securities		355		450
Corporate commercial paper		1,250		2,749
Foreign government bonds		500		775
Corporate debt securities		5,763		5,105
Total short-term investments		9,619		11,329
Long-term investments—auction rate security		—		122
Restricted cash—money market fund		875		875
Total cash, cash equivalents, investments and restricted cash	$	18,999	$	23,140

Gross unrealized gains and losses on our cash equivalents, and short-term investments were not material as of December 31, 2010 and December 31, 2011.