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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Current assets    
Cash and cash equivalents $ 5,297 $ 5,947
Prepaid expense 35 38
Other current assets 19 8
Total assets 5,351 5,993
Current liabilities    
Accounts payable 342 272
Accrued liabilities 52 195
Derivative liabilities 5,077  
Total current liabilities 5,471 10,917
Total liabilities 5,471 10,917
Commitments and contingencies (Note 10 and 11)      
Stockholders' (deficit) equity    
Common stock, no par value; unlimited shares authorized; (2011 - 25,158, 2010 - 20,461 shares issued and outstanding) 65,952 64,929
Additional paid-in capital 38,065 37,717
Deficit accumulated during development stage (105,380) (108,813)
Accumulated other comprehensive income 1,243 1,243
Total stockholders' (deficit) equity (120) (4,924)
Total liabilities and stockholders' (deficit) equity $ 5,351 $ 5,993