| 2. Balance Sheet Information (Tables)
 | 6 Months Ended | 
| Mar. 31, 2014 | 
| Organization, Consolidation and Presentation of Financial Statements [Abstract] |  | 
| Balance sheet information | 
|  |  | March 31, |  |  | September 30, |  |  
|  |  | 2014 |  |  | 2013 |  |  
| Receivables, current, net: |  |  |  |  |  |  |  |  |  
| Accounts receivable, current |  | $ | 1,086,142 |  |  | $ | 904,197 |  |  
| Less: Allowance for doubtful
    accounts |  |  | (714,578 | ) |  |  | (729,296 | ) |  
|  |  | $ | 371,564 |  |  | $ | 174,901 |  |  
| Receivables, long term, net: |  |  |  |  |  |  |  |  |  
| Accounts receivable, long term |  | $ | 355,243 |  |  | $ | 374,708 |  |  
| Less: Allowance for doubtful
    accounts |  |  | (310,606 | ) |  |  | (330,069 | ) |  
|  |  | $ | 44,637 |  |  | $ | 44,639 |  |  
| Total receivables, net: |  |  |  |  |  |  |  |  |  
| Gross receivables |  | $ | 1,441,385 |  |  | $ | 1,278,905 |  |  
| Less: Allowance for doubtful
    accounts |  |  | (1,025,184 | ) |  |  | (1,059,365 | ) |  
|  |  | $ | 416,201 |  |  | $ | 219,540 |  |  | 
| Components of allowance for doubtful accounts | 
|  |  | March 31, |  |  | September 30, |  |  
|  |  | 2014 |  |  | 2013 |  |  
| Allowance for
    dilution and fees on amounts due from billing aggregators |  | $ | 998,450 |  |  | $ | 730,777 |  |  
| Allowance
    for customer refunds |  |  | 2,052 |  |  |  | 6,281 |  |  
|  |  | $ | 1,000,502 |  |  | $ | 737,058 |  |  | 
| Property and equipment, net | 
|  |  | March 31, |  |  | September 30, |  |  
|  |  | 2014 |  |  | 2013 |  |  
| Property and equipment, net: |  |  |  |  |  |  |  |  |  
| Furnishings and fixtures |  | $ | 112,611 |  |  | $ | 101,611 |  |  
| Office, computer equipment
    and other |  |  | 445,721 |  |  |  | 404,580 |  |  
|  |  |  | 558,332 |  |  |  | 506,191 |  |  
| Less: Accumulated depreciation |  |  | (452,079 | ) |  |  | (435,029 | ) |  
|  |  | $ | 106,253 |  |  | $ | 71,162 |  |  | 
| Intangible assets, net | 
|  |  | March 31, |  |  | September 30, |  |  
|  |  | 2014 |  |  | 2013 |  |  
| Intangible assets, net: |  |  |  |  |  |  |  |  |  
| Domain name and marketing related
    intangibles |  | $ | 1,513,708 |  |  | $ | 1,513,708 |  |  
| Website and technology related
    intangibles |  |  | 2,369,291 |  |  |  | 2,335,728 |  |  
|  |  |  | 3,882,999 |  |  |  | 3,849,436 |  |  
| Less: Accumulated amortization |  |  | (1,193,889 | ) |  |  | (1,001,035 | ) |  
|  |  | $ | 2,689,110 |  |  | $ | 2,848,401 |  |  | 
| Accrued liabilities | 
|  |  | March 31, |  |  | September 30, |  |  
|  |  | 2014 |  |  | 2013 |  |  
| Accrued liabilities: |  |  |  |  |  |  |  |  |  
| Deferred revenue |  | $ | 1,795 |  |  | $ | 2,829 |  |  
| Accrued payroll and bonuses |  |  | 33,262 |  |  |  | 27,330 |  |  
| Deposits from customers |  |  | 132,156 |  |  |  |  |  |  
| Deferred rent |  |  | 34,213 |  |  |  | 35,625 |  |  
| Accruals under revenue sharing agreements |  |  | 1,364 |  |  |  | 44,167 |  |  
| Accrued expenses - other |  |  | 225,816 |  |  |  | 189,513 |  |  
|  |  | $ | 428,606 |  |  | $ | 299,464 |  |  |