The following table summarizes the fair value of the Company's cash and available-for-sale securities held in its marketable securities investment portfolio, recorded as cash and cash equivalents or short-term or long-term marketable securities as of September 30, 2011, and December 31, 2010 (in thousands):

		September 30, 2011		December 31, 2010

Cash		$	1,188	$	72
Commercial paper			27,274		54,655
Money market and money market funds			39,025		21,406

	Total cash and cash equivalents	$	67,487	$	76,133

Corporate bonds		$	68,395	$	31,494
Convertible corporate bonds			1,994		4,346
Certificates of deposit and time deposits			3,161		9,717

	Total short-term investments	$	73,550	$	45,557

Corporate bonds		$	27,734	$	20,578
Certificates of deposit and time deposits			—		720

	Total long-term investments	$	27,734	$	21,298

Total cash, cash equivalents and investments		$	168,771	$	142,988

As of September 30, 2011, the Company held $2.0 million of convertible corporate bonds that are classified as available-for-sale. As of September 30, 2011, and 2010, Intrepid's available-for-sale investments had gross unrealized gains of approximately $10,000 and $30,000. The fair value of Intrepid's held-to-maturity investments at September 30, 2011, and December 31, 2010, approximated their carrying amounts.