XML 43 R26.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stockholders' Equity (Details 1)
6 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Fair value calculations for stock-based compensation awards to employees    
Expected life (years) 4 years 11 months 23 days 4 years 8 months 9 days
Expected volatility 167.00% 90.00%
Expected dividends      
Minimum [Member]
   
Fair value calculations for stock-based compensation awards to employees    
Risk-free interest rate 0.18% 0.35%
Maximum [Member]
   
Fair value calculations for stock-based compensation awards to employees    
Risk-free interest rate 0.81% 1.06%