Condensed Balance Sheets (unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 38,551	$ 39,259
Prepaid expenses and other current assets	19	63
Total current assets	38,570	39,322
Property and equipment, net	5	6
Total assets	38,575	39,328
Current liabilities:
Accounts payable and accrued liabilities	76	201
Warrant liability		30
Total current liabilities	76	231
Other long-term liabilities	93	89
Total liabilities	169	320
Stockholders’ equity:
Common stock, $0.001 par value; 250,000,000 shares authorized; 41,647,394 and 41,647,394 shares issued and outstanding at September 30, 2011 and December 31, 2010, respectively	42	42
Additional paid-in capital	4,320,597	4,320,534
Accumulated deficit	(4,282,233)	(4,281,568)
Total stockholders’ equity	38,406	39,008
Total liabilities and stockholders’ equity	$ 38,575	$ 39,328