Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash	$ 7,005	$ 4,946
Restricted cash		20
Prepaid expenses	93	135
Other current assets	67	142
Total current assets	7,165	5,243
Property and equipment, net of accumulated depreciation of $268 and $357 at December 31, 2013 and December 31, 2012, respectively	36	13
License agreements, net of accumulated amortization of $1,406 and $1,309 at December 31, 2013 and December 31, 2012, respectively	93	191
Total assets	7,294	5,447
Current liabilities:
Accounts payable	476	416
Accrued research and development	317	181
Accrued other	458	304
Total current liabilities	1,251	901
Commitments and contingencies
Stockholders' equity
Preferred stock, $.01 par value, 15,000 shares authorized; No shares issued and outstanding
Common stock, $.01 par value, 70,000 and 100,000 shares authorized at December 31, 2013 and December 31, 2012 respectively; 5,586 and 1,746 shares issued and outstanding at December 31, 2013 and December 31, 2012, respectively	56	17
Additional paid-in capital	244,495	229,961
Accumulated deficit	(238,508)	(225,432)
Total stockholders' equity	6,043	4,546
Total liabilities and stockholders' equity	$ 7,294	$ 5,447