Consolidated Statements of Operations and Comprehensive Loss (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 111 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Revenue:      
Royalty revenue $ 45 $ 0 $ 130
Total Revenue 45 0 130
Operating expenses:      
Research and development 2,466 69 57,028
General and administrative 2,733 571 26,769
Amortization of intangibles 41 0 336
Impairment of intangibles 0 0 3,070
Total operating expenses 5,240 640 87,203
Other income (expense):      
Interest and other income 13 0 3,783
Interest and other expense 0 (96) (1,424)
Change in fair value of warrant liability 0 5 71
Total other income (expense), net 13 (91) 2,430
Net loss from continuing operations (5,182) (731) (84,643)
Net income (loss) from discontinued operations (including gain on disposal of $1,149) 1,117 0 (908)
Net loss (4,065) (731) (85,551)
Net loss per share:      
Net loss per share from continuing operations, basic and diluted $ (0.34) $ (1.15)  
Net income per share from discontinued operations, basic and diluted $ 0.07 $ 0.00  
Net loss per share, basic and diluted $ (0.27) $ (1.15)  
Weighted average number of shares used to compute net loss per share of common stock, basic and diluted 15,421,234 637,221  
Unrealized gain on investments 2 0 5
Comprehensive loss $ (4,063) $ (731) $ (85,546)