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Consolidated Balance Sheets (Unaudited) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 3,182 $ 5,943
Other current assets 408 269
Total current assets 3,590 6,212
Property and equipment, net 43 66
Other assets 183 224
Total assets 3,816 6,502
Current liabilities:    
Accounts payable 227 260
Accrued compensation and employee benefits 128 111
Accrued expenses and other liabilities 141 350
Deferred rent, current portion 33 33
Total current liabilities 529 754
Deferred rent, net of current portion 593,000 16
Total liabilities 529 770
Commitments and contingencies      
Stockholders' equity:    
Common stock, $0.001 par value; 100 million shares authorized; 12,182,999 shares issued and outstanding at June 30, 2012 and December 31, 2011 12 12
Additional paid-in capital 69,502 69,394
Deficit accumulated during the development stage (66,227) (63,674)
Total stockholders' equity 3,287 5,732
Total liabilities and stockholders' equity $ 3,816 $ 6,502