CONDENSED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 12,824	$ 13,778
Other current assets	200	758
Total current assets	13,024	14,536
Furniture and equipment, net	34	160
Total assets	13,058	14,696
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	81	77
Accrued compensation	7	13
Other accrued liabilities	5	29
Total current liabilities	93	119
Stockholders' Equity
Common Stock $.0005 par value; 100,000,000 shares authorized; 40,885,411 shares in 2012 and 40,775,411shares in 2011 issued and outstanding	20	20
Additional paid-in capital	189,150	189,074
Accumulated deficit ($148,443 at June 30, 2012 and $146,755 at December 31, 2011, accumulated during development stage period)	(176,205)	(174,517)
Total stockholders' equity	12,965	14,577
Total liabilities and stockholders' equity	$ 13,058	$ 14,696