Note 4. Common Shares

12 Months Ended

Dec. 31, 2011

Stockholders' Equity Note Disclosure [Text Block]

4.   COMMON SHARES

At December 31, 2011, Fuel Tech had 23,644,301 common shares issued and outstanding, with an additional 6,715 shares reserved for issuance upon conversion of the nil coupon non-redeemable convertible unsecured loan notes (see Note 5) and 2,309,165 shares reserved for issuance upon the exercise or vesting of equity awards, of which 1,718,062 are stock options that are currently exercisable (see Note 6).

At December 31, 2010, Fuel Tech had 24,213,467 common shares issued and outstanding, with an additional 6,715 shares reserved for issuance upon conversion of the nil coupon non-redeemable convertible unsecured loan notes and 3,005,125 shares reserved for issuance upon the exercise or vesting of equity awards, of which 2,277,625 are stock options that are currently exercisable.