Annual report pursuant to Section 13 and 15(d)

CONDENSED BALANCE SHEETS (Parenthetical)

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CONDENSED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2011
Dec. 31, 2010
Stockholders' equity:    
Preferred stock, par value (in dollars per value) $ 0.05 $ 0.05
Preference shares, shares authorized (in shares) 1,000,000 1,000,000
Preference shares, shares designated (in shares) 8,000 8,000
Preference shares, shares issued (in shares) 0 0
Preference shares, shares outstanding (in shares) 2,959 2,959
Common stock, par value (in dollars per share) $ 0.0075 $ 0.0075
Common shares, shares authorized (in shares) 92,666,666 92,666,666
Common shares, shares outstanding (in shares) 35,107,007 28,491,318