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Condensed Statements of Operations (USD $)
 3 Months Ended 6 Months Ended 65 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Operating expenses:          
Research and development $ 537,000 $ 291,000 $ 995,000 $ 555,000 $ 2,703,000
General and administrative 871,000 734,000 1,774,000 1,334,000 8,770,000
Total operating expenses 1,408,000 1,025,000 2,769,000 1,889,000 11,473,000
Loss from operations (1,408,000) (1,025,000) (2,769,000) (1,889,000) (11,473,000)
Other income (expense):          
Interest income 3,000 6,000 7,000 6,000 33,000
Interest expense 0 (1,000) 0 (1,000) (1,000)
Total other income (expense) 3,000 5,000 7,000 5,000 32,000
Net Loss $ (1,405,000) $ (1,020,000) $ (2,762,000) $ (1,884,000) $ (11,441,000)
Net Loss per share - basic and fully diluted (in dollars per share) $ (0.16) $ (0.13) $ (0.31) $ (0.29) $ (2.70)
Weighted average number of shares outstanding - basic and fully diluted (in shares) 8,789,433 7,705,116 8,785,413 6,429,215 4,230,622