v2.4.0.6
Summary of Significant Accounting Policies (Schedule of Earnings (Loss) Per Share) (Details) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Mar. 31, 2012
Mar. 31, 2011
Earnings Per Share Basic And Diluted [Line Items]            
Net income (loss) $ 12,931,025 $ (12,099,075) $ 2,185,047 $ (12,446,470) $ (8,076,982) $ (6,979,488)
Weighted average number of shares outstanding, basic 32,370,784 11,919,771 32,191,549 11,495,820    
Weighted average shares outstanding - dilutive 34,873,579 11,919,771 34,491,919 11,495,820    
Basic earnings per share $ 0.4 $ (1.02) $ 0.07 $ (1.08)    
Diluted earnings per share $ 0.37 $ (1.02) $ 0.06 $ (1.08)    
Stock Options [Member]
           
Earnings Per Share Basic And Diluted [Line Items]            
Weighted average shares outstanding - dilutive 0             
Convertible Notes [Member]
           
Earnings Per Share Basic And Diluted [Line Items]            
Weighted average shares outstanding - dilutive 559,006    281,030       
Dilutive Warrants [Member]
           
Earnings Per Share Basic And Diluted [Line Items]            
Weighted average shares outstanding - dilutive 1,943,789    2,019,340