Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash	$ 30,031	$ 7,005
Prepaid expenses	318	93
Other current assets	4	67
Total current assets	30,353	7,165
Property and equipment, net of accumulated depreciation of $242 and $268 at December 31, 2014 and December 31, 2013, respectively	37	36
License agreements, net of accumulated amortization of $1,500 and $1,406 at December 31, 2014 and December 31, 2013, respectively	0	93
Other assets	33
Total assets	30,423	7,294
Current liabilities:
Accounts payable	335	476
Accrued compensation and benefits	841	116
Accrued research and development	36	317
Accrued other	207	342
Total current liabilities	1,419	1,251
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 shares authorized; 20,705 and 5,586 shares issued and outstanding at December 31, 2014 and December 31, 2013, respectively	207	56
Additional paid-in capital	279,952	244,495
Accumulated deficit	(251,155)	(238,508)
Total stockholders' equity	29,004	6,043
Total liabilities and stockholders' equity	$ 30,423	$ 7,294