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Stockholders' Equity (Tables)
12 Months Ended
Sep. 30, 2014
Equity [Abstract]  
Summary of Information About Warrants

The following table summarizes information about warrants outstanding at September 30, 2014:

 

 

Exercise prices

 

Number of Warrants

 

  

Remaining
Life in Years

 

$

70.60

 

 

94,897

  

  

 

2.6

 

$

5.00

 

 

413,825

  

  

 

0.9

 

$

5.09

 

 

269,912

  

  

 

0.2

 

$

1.38

 

 

24,324

  

  

 

1.2

 

$

4.16

 

 

1,000

  

  

 

2.2

 

$

3.25

 

 

334,347

  

  

 

1.9

 

$

2.12

 

 

75,000

  

  

 

3.2

 

$

1.83

 

 

277,284

  

  

 

3.2

 

Total warrants outstanding

 

 

1,490,589