Condensed Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash	$ 6,902	$ 9,972
Restricted cash	20	20
Prepaid expenses	460	582
Other current assets	86	73
Total current assets	7,468	10,647
Furniture and fixtures, equipment and leasehold improvements	644	643
Accumulated depreciation	(616)	(609)
Furniture and fixtures, equipment and leasehold improvements, net	28	34
License agreements, net of accumulated amortization of $1,260 and $1,211 at June 30, 2012 and December 31, 2011, respectively	240	289
Other assets		86
Total assets	7,736	11,056
Current liabilities:
Accounts payable	535	261
Accrued research and development	397	480
Accrued restructuring	234	653
Accrued other	451	859
Total current liabilities	1,617	2,253
Derivative liability long term	1	6
Commitments and contingencies
Stockholders' equity
Preferred Stock, $.01 par value, 15,000 shares authorized; 0 shares issued and outstanding
Common stock, $.01 par value, 100,000 and 3000,000 shares authorized at June 30, 2012 and December 31, 2011, respectively; 17,548 and 15,177 shares issued and outstanding at June 30, 2012 and December 31, 2011, respectively	175	152
Additional paid-in capital	227,653	225,998
Stock Subscription Receivable	(200)
Accumulated deficit	(221,510)	(217,353)
Total stockholders' equity	6,118	8,797
Total liabilities and stockholders' equity	$ 7,736	$ 11,056