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Stockholders' Equity (Details 1)
9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
The fair value calculations for stock-based compensation awards to employees    
Expected life (years) 4 years 9 months 15 days 5 years 6 months 4 days
Expected volatility 90.00% 193.00%
Expected dividends      
Maximum [Member]
   
The fair value calculations for stock-based compensation awards to employees    
Risk-free interest rate 1.06% 2.26%
Minimum [Member]
   
The fair value calculations for stock-based compensation awards to employees    
Risk-free interest rate 0.35% 0.26%