| 3. Balance Sheet Information (Tables)
 | 6 Months Ended | 
| Mar. 31, 2016 | 
|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] |  | 
| Balance sheet information - Receivables | Balance sheet information is as follows:   
    |  |  | March 31, |  |  | September 30, |  |  
    |  |  | 2016 |  |  | 2015 |  |  
    |  |  |  |  |  |  |  |  |  |  
    | Receivables, current, net: |  |  |  |  |  |  |  |  |  
    | Accounts receivable,
    current |  | $ | 10,149,401 |  |  | $ | 9,007,127 |  |  
    | Less:
    Allowance for doubtful accounts |  |  | (760,809 | ) |  |  | (763,135 | ) |  
    |  |  | $ | 9,388,592 |  |  | $ | 8,243,992 |  |  
    | Receivables, long term,
    net: |  |  |  |  |  |  |  |  |  
    | Accounts receivable, long
    term |  | $ | 344,572 |  |  | $ | 344,572 |  |  
    | Less:
    Allowance for doubtful accounts |  |  | (344,572 | ) |  |  | (344,572 | ) |  
    |  |  | $ |  |  |  | $ |  |  |  
    | Total receivables, net: |  |  |  |  |  |  |  |  |  
    | Gross receivables |  | $ | 10,493,973 |  |  | $ | 9,351,699 |  |  
    | Less:
    Allowance for doubtful accounts |  |  | (1,105,381 | ) |  |  | (1,107,707 | ) |  
    |  |  | $ | 9,388,592 |  |  | $ | 8,243,992 |  |    | 
| Components of allowance for doubtful accounts | 
    |  |  | March 31, |  |  | September 30, |  |  
    |  |  | 2016 |  |  | 2015 |  |  
    |  |  |  |  |  |  |  |  |  |  
    | Components of allowance
    for doubtful accounts are as follows: |  |  |  |  |  |  |  |  |  
    |  |  |  |  |  |  |  |  |  |  
    | Allowance for dilution and
    fees on amounts due from billing aggregators |  | $ | 1,063,618 |  |  | $ | 1,063,617 |  |  
    | Allowance for customer refunds |  |  | 1,508 |  |  |  | 1,715 |  |  
    | Allowance
    for other trade receivables |  |  | 40,255 |  |  |  | 42,375 |  |  
    |  |  | $ | 1,105,381 |  |  | $ | 1,107,707 |  |    | 
| Schedule of inventory | 
    |  |  | March 31, |  |  | September 30, |  |  
    |  |  | 2016 |  |  | 2015 |  |  
    |  |  |  |  |  |  |  |  |  |  
    | Inventory |  |  |  |  |  |  |  |  |  
    | Raw materials |  | $ | 6,801,295 |  |  | $ | 6,715,298 |  |  
    | Work in progress |  |  | 768,179 |  |  |  | 836,837 |  |  
    | Finished
    goods |  |  | 5,219,555 |  |  |  | 6,185,741 |  |  
    |  |  |  | 12,789,029 |  |  |  | 13,737,876 |  |  
    | Less:
    Obsolescence reserve |  |  | (334,028 | ) |  |  | (402,278 | ) |  
    |  |  | $ | 12,455,001 |  |  | $ | 13,335,598 |  |    | 
| Schedule of property and equipment | 
    |  |  | March 31, |  |  | September 30, |  |  
    |  |  | 2016 |  |  | 2015 |  |  
    |  |  |  |  |  |  |  |  |  |  
    | Property and equipment,
    net: |  |  |  |  |  |  |  |  |  
    | Land and improvements |  | $ | 688,000 |  |  | $ | 687,999 |  |  
    | Building and improvements |  |  | 4,202,000 |  |  |  | 4,202,000 |  |  
    | Transportation equipment |  |  | 77,419 |  |  |  | 77,419 |  |  
    | Machinery and equipment |  |  | 7,764,360 |  |  |  | 7,676,561 |  |  
    | Furnishings and fixtures |  |  | 211,700 |  |  |  | 211,701 |  |  
    | Office,
    computer equipment and other |  |  | 250,079 |  |  |  | 244,674 |  |  
    |  |  |  | 13,193,558 |  |  |  | 13,100,354 |  |  
    | Less:
    Accumulated depreciation |  |  | (1,533,610 | ) |  |  | (618,453 | ) |  
    |  |  | $ | 11,659,948 |  |  | $ | 12,481,901 |  |    | 
| Schedule of intangible assets | 
    |  |  | March 31, |  |  | September 30, |  |  
    |  |  | 2016 |  |  | 2015 |  |  
    |  |  |  |  |  |  |  |  |  |  
    | Intangible assets, net: |  |  |  |  |  |  |  |  |  
    | Domain name and marketing
    related intangibles |  | $ | 18,957 |  |  | $ | 18,957 |  |  
    | Website and technology related
    intangibles |  |  | 25,300 |  |  |  | 25,300 |  |  
    | Purchased
    software |  |  | 1,500,000 |  |  |  | 1,500,000 |  |  
    |  |  |  | 1,544,257 |  |  |  | 1,544,257 |  |  
    | Less:  Accumulated
    amortization |  |  | (143,188 | ) |  |  | (27,327 | ) |  
    |  |  | $ | 1,401,069 |  |  | $ | 1,516,930 |  |    | 
| Schedule of accrued liabilities | 
    |  |  | March 31, |  |  | September 30, |  |  
    |  |  | 2016 |  |  | 2015 |  |  
    |  |  |  |  |  |  |  |  |  |  
    | Accrued payroll and bonuses |  | $ | 713,778 |  |  | $ | 731,782 |  |  
    | Deferred revenue |  |  | 243,082 |  |  |  | 243,082 |  |  
    | Accrued software costs |  |  | 1,500,000 |  |  |  | 1,500,000 |  |  
    | Accrued
    expenses - other |  |  | 879,567 |  |  |  | 1,186,085 |  |  
    |  |  | $ | 3,336,427 |  |  | $ | 3,660,949 |  |  |