| 
           4. Stock-based Compensation (Details - Non-Vested Shares) (Nonvested Shares) 
         | 
        3 Months Ended | 
|---|---|
| 
           Dec. 31, 2013 
         | 
      |
| 
           Nonvested Shares 
         | 
        |
| Number of Shares, Nonvested | |
| Outstanding, beginning balance | 600,000 | 
| Granted | 0 | 
| Outstanding, ending balance | 600,000 | 
| Weighted-Average Grant Date Fair Value | |
| Granted | 8 months 23 days | 
| Nonvested, ending balance | 8 months 23 days | 
| X | ||||||||||
| 
             
- Definition 
          NonvestedAwardsPeriodForGrantDateGranted No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          NonvestedAwardsPeriodForGrantDateOutstanding No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Details 
          
  | 
        
| X | ||||||||||
| 
             
- Details 
          
  | 
        
| X | ||||||||||
| 
             
- Definition 
          The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  |