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Net Loss per Share (Tables)
6 Months Ended
Mar. 31, 2013
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
    Three months ended March 31,     Six months ended March 31,  
    2012     2013     2012     2013  
Net loss $ (15,628,048 ) $ (22,629,209 ) $ (17,447,802 ) $ (47,854,127 )
                         
Weighted average shares used in basic and                        
diluted computation   12,619,049     12,619,597     12,619,049     12,619,597  
                         
Loss per share – Basic and diluted $ (1.24 ) $ (1.79 ) $ (1.38 ) $ (3.79 )