| 
           2. Balance Sheet Information (Tables)
  
         | 
        3 Months Ended | 
      
| 
           Dec. 31, 2013 
         | 
      
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | 
         
 | 
      
| Balance sheet information | 
        
|   | 
  | 
    December
    31, | 
  | 
  | 
    September
    30, | 
  | 
 
|   | 
  | 
    2013 | 
  | 
  | 
    2013 | 
  | 
 
|   | 
  | 
      | 
  | 
  | 
      | 
  | 
 
| Receivables, current, net: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
| Accounts receivable, current | 
  | 
    $ | 
848,999 | 
  | 
  | 
    $ | 
904,197 | 
  | 
 
| Less: Allowance for doubtful
    accounts | 
  | 
      | 
(708,452 | 
) | 
  | 
      | 
(729,296 | 
) | 
 
|   | 
  | 
    $ | 
140,547 | 
  | 
  | 
    $ | 
174,901 | 
  | 
 
| Receivables, long term, net: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
| Accounts receivable, long term | 
  | 
    $ | 
363,540 | 
  | 
  | 
    $ | 
374,708 | 
  | 
 
| Less: Allowance for doubtful
    accounts | 
  | 
      | 
(318,902 | 
) | 
  | 
      | 
(330,069 | 
) | 
 
|   | 
  | 
    $ | 
44,638 | 
  | 
  | 
    $ | 
44,639 | 
  | 
 
| Total receivables, net: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
| Gross receivables | 
  | 
    $ | 
1,212,539 | 
  | 
  | 
    $ | 
1,278,905 | 
  | 
 
| Less: Allowance for doubtful
    accounts | 
  | 
      | 
(1,027,354 | 
) | 
  | 
      | 
(1,059,365 | 
) | 
 
|   | 
  | 
    $ | 
185,185 | 
  | 
  | 
    $ | 
219,540 | 
  | 
 
 
 | 
      
| Components of allowance for doubtful accounts | 
        
|   | 
  | 
    December
    31, | 
  | 
  | 
    September
    30, | 
  | 
 
|   | 
  | 
    2013 | 
  | 
  | 
    2013 | 
  | 
 
|   | 
  | 
      | 
  | 
  | 
      | 
  | 
 
| Allowance for dilution
    and fees on amounts due from billing aggregators | 
  | 
    $ | 
1,007,961 | 
  | 
  | 
    $ | 
730,777 | 
  | 
 
| Allowance for customer refunds | 
  | 
      | 
2,428 | 
  | 
  | 
      | 
6,281 | 
  | 
 
|   | 
  | 
    $ | 
1,010,389 | 
  | 
  | 
    $ | 
737,058 | 
  | 
 
 
 | 
      
| Property and equipment, net | 
        
|   | 
  | 
    December
    31, | 
  | 
  | 
    September
    30, | 
  | 
 
|   | 
  | 
    2013 | 
  | 
  | 
    2013 | 
  | 
 
|   | 
  | 
      | 
  | 
  | 
      | 
  | 
 
| Property and equipment, net: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
| Furnishings
    and fixtures | 
  | 
    $ | 
101,611 | 
  | 
  | 
    $ | 
101,611 | 
  | 
 
| Office,
    computer equipment and other | 
  | 
      | 
410,747 | 
  | 
  | 
      | 
404,580 | 
  | 
 
|   | 
  | 
      | 
512,358 | 
  | 
  | 
      | 
506,191 | 
  | 
 
| Less: Accumulated depreciation | 
  | 
      | 
(443,873 | 
) | 
  | 
      | 
(435,029 | 
) | 
 
|   | 
  | 
    $ | 
68,485 | 
  | 
  | 
    $ | 
71,162 | 
  | 
 
 
 | 
      
| Intangible assets, net | 
        
|   | 
  | 
    December
    31, | 
  | 
  | 
    September
    30, | 
  | 
 
|   | 
  | 
    2013 | 
  | 
  | 
    2013 | 
  | 
 
|   | 
  | 
      | 
  | 
  | 
      | 
  | 
 
| Intangible assets, net: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
| Domain name
    and marketing related intangibles | 
  | 
    $ | 
1,513,708 | 
  | 
  | 
    $ | 
1,513,708 | 
  | 
 
| Website
    and technology related intangibles | 
  | 
      | 
2,336,291 | 
  | 
  | 
      | 
2,335,728 | 
  | 
 
|   | 
  | 
      | 
3,849,999 | 
  | 
  | 
      | 
3,849,436 | 
  | 
 
| Less:  Accumulated
    amortization | 
  | 
      | 
(1,096,901 | 
) | 
  | 
      | 
(1,001,035 | 
) | 
 
|   | 
  | 
    $ | 
2,753,098 | 
  | 
  | 
    $ | 
2,848,401 | 
  | 
 
 
 | 
      
| Accrued liabilities | 
        
|   | 
  | 
    December
    31, | 
  | 
  | 
    September
    30, | 
  | 
 
|   | 
  | 
    2013 | 
  | 
  | 
    2013 | 
  | 
 
|   | 
  | 
      | 
  | 
  | 
      | 
  | 
 
| Accrued liabilities: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
| Deferred revenue | 
  | 
    $ | 
1,962 | 
  | 
  | 
    $ | 
2,829 | 
  | 
 
| Accrued payroll and bonuses | 
  | 
      | 
27,951 | 
  | 
  | 
      | 
27,330 | 
  | 
 
| Accruals under revenue sharing
    agreements | 
  | 
      | 
1,480 | 
  | 
  | 
      | 
44,167 | 
  | 
 
| Accrued
    expenses - other | 
  | 
      | 
229,087 | 
  | 
  | 
      | 
225,138 | 
  | 
 
|   | 
  | 
    $ | 
260,480 | 
  | 
  | 
    $ | 
299,464 | 
  | 
 
 
 |