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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $)
Total
COMMON STOCK
ADDITIONAL PAID-IN CAPITAL
RETAINED EARNINGS
TREASURY STOCK
BALANCE at Dec. 31, 2010$ 183,530,971$ 44,952$ 241,488,749$ (57,506,788)$ (495,942)
BALANCE (in shares) at Dec. 31, 201044,857,25944,857,259   
Increase (Decrease) in Stockholders' Equity     
Current period net loss(10,845,925)  (10,845,925) 
Share-based compensation1,506,7523191,506,433  
Share-based compensation (in shares) 318,752   
Treasury stock(164,715)   (164,715)
Treasury stock (in shares) (41,402)   
BALANCE at Sep. 30, 2011$ 174,027,083$ 45,271$ 242,995,182$ (68,352,713)$ (660,657)
BALANCE (in shares) at Sep. 30, 201145,134,60945,134,409