Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 5,502	$ 6,866	[1]
Prepaids and other current assets	9	67	[1]
Total current assets	5,511	6,933	[1]
Total assets	5,511	6,933	[1]
Current liabilities:
Accounts payable	23	39	[1]
Accrued expenses	151	178	[1]
Accrued payroll and related expenses	83	85	[1]
Derivative liabilities	2,372	6,102	[1]
Total current liabilities	2,629	6,404	[1]
Series C-1 redeemable convertible preferred stock, $0.0001 par value; 11,000 shares authorized, 5,140 and 5,573 shares issued and outstanding at September 30, 2011 and December 31, 2010, respectively (redemption value and liquidation preference in the aggregate of $5,140 at September 30, 2011 and $5,652 at December 31, 2010) (see Notes 1 and 5)	5,140	47	[1]
Commitments and contingencies			[1]
Stockholders' (deficit) equity:
Common stock	6	0	[1]
Additional paid-in capital	424,042	428,563	[1]
Accumulated deficit	(426,306)	(428,081)	[1]
Total stockholders' (deficit) equity	(2,258)	482	[1]
Total liabilities, redeemable convertible preferred stock and stockholders' (deficit) equity	$ 5,511	$ 6,933	[1]

[1] Note: The condensed consolidated balance sheet at December 31, 2010 has been derived from the audited consolidated financial statements as of that date but does not include all of the information and disclosures required by U.S. generally accepted accounting principles (see Note 1).