| Balance Sheet Detail Information | 
    |  |  | March 31, |  |  | September 30, |  |  
    |  |  | 2018 |  |  | 2017 |  |  
    |  |  |  | (Unaudited) |  |  |  |  |  |  
    | Trade receivables, current, net: |  |  |  |  |  |  |  |  |  
    | Accounts receivable, current |  | $ | 11,749,344 |  |  | $ | 11,383,576 |  |  
    | Less: Reserve for doubtful accounts |  |  | (756,558 | ) |  |  | (746,651 | ) |  
    |  |  | $ | 10,992,786 |  |  | $ | 10,636,925 |  |  
    | Trade receivables , long term, net: |  |  |  |  |  |  |  |  |  
    | Accounts receivable, long term |  | $ | 344,572 |  |  | $ | 344,572 |  |  
    | Less: Reserve for doubtful accounts |  |  | (344,572 | ) |  |  | (344,572 | ) |  
    |  |  | $ | – |  |  | $ | – |  |  
    | Total trade receivables, net: |  |  |  |  |  |  |  |  |  
    | Gross trade receivables |  | $ | 12,093,916 |  |  | $ | 11,728,148 |  |  
    | Less: Reserve for doubtful accounts |  |  | (1,101,130 | ) |  |  | (1,091,223 | ) |  
    |  |  | $ | 10,992,786 |  |  | $ | 10,636,925 |  |  
    | Components of reserve for doubtful accounts are as follows: |  |  |  |  |  |  |  |  |  
    |  |  |  |  |  |  |  |  |  |  
    | Reserve for dilution and fees on amounts due from billing aggregators |  | $ | 1,063,617 |  |  | $ | 1,063,617 |  |  
    | Reserve for customer refunds |  |  | 873 |  |  |  | 978 |  |  
    | Reserve for trade receivables |  |  | 36,640 |  |  |  | 26,628 |  |  
    |  |  | $ | 1,101,130 |  |  | $ | 1,091,223 |  |  
    | Inventory |  |  |  |  |  |  |  |  |  
    | Raw materials |  | $ | 9,271,283 |  |  | $ | 7,709,969 |  |  
    | Work in progress |  |  | 1,096,509 |  |  |  | 987,689 |  |  
    | Finished goods |  |  | 5,428,000 |  |  |  | 3,922,362 |  |  
    | Merchandise |  |  | 30,649,002 |  |  |  | 23,230,350 |  |  
    |  |  |  | 46,444,794 |  |  |  | 35,850,370 |  |  
    | Less: Inventory reserves |  |  | (1,384,922 | ) |  |  | (1,348,569 | ) |  
    |  |  | $ | 45,059,872 |  |  | $ | 34,501,801 |  |  
    | Property and equipment, net: |  |  |  |  |  |  |  |  |  
    | Building and improvements |  | $ | 11,981,655 |  |  | $ | 8,090,797 |  |  
    | Transportation equipment |  |  | 82,266 |  |  |  | 104,853 |  |  
    | Machinery and equipment |  |  | 23,432,503 |  |  |  | 17,402,064 |  |  
    | Furnishings and fixtures |  |  | 2,547,268 |  |  |  | 4,360,820 |  |  
    | Office, computer equipment and other |  |  | 2,288,717 |  |  |  | 224,822 |  |  
    |  |  |  | 40,332,409 |  |  |  | 30,183,356 |  |  
    | Less: Accumulated depreciation |  |  | (12,730,856 | ) |  |  | (7,365,496 | ) |  
    |  |  | $ | 27,601,553 |  |  | $ | 22,817,860 |  |  
    | Intangible assets, net: |  |  |  |  |  |  |  |  |  
    | Domain name and marketing related intangibles |  | $ | 18,957 |  |  | $ | 18,957 |  |  
    | Lease intangibles |  |  | 1,033,412 |  |  |  | 1,033,412 |  |  
    | Customer relationship intangibles |  |  | 2,689,039 |  |  |  | 2,689,039 |  |  
    | Purchased software |  |  | 2,045,167 |  |  |  | 1,595,977 |  |  
    |  |  |  | 5,786,575 |  |  |  | 5,337,385 |  |  
    | Less:  Accumulated amortization |  |  | (1,658,475 | ) |  |  | (1,132,071 | ) |  
    |  |  | $ | 4,128,100 |  |  | $ | 4,205,314 |  |  
    | Accrued liabilities: |  |  |  |  |  |  |  |  |  
    | Accrued payroll and bonuses |  | $ | 1,858,887 |  |  | $ | 2,602,695 |  |  
    | Due to seller of ApplianceSmart, Inc. |  |  | 2,549,955 |  |  |  | – |  |  
    | Accrued sales and property taxes |  |  | 1,232,211 |  |  |  | 824,206 |  |  
    | Deferred rent |  |  | 397,632 |  |  |  | 502,617 |  |  
    | Deferred revenue |  |  | 552,442 |  |  |  |  |  |  
    | Accrued gift card liability |  |  | 1,575,711 |  |  |  | 1,479,622 |  |  
    | Accrued interest payable |  |  | 534,357 |  |  |  | 464,184 |  |  
    | Accrued bank overdraft |  |  | 2,260,108 |  |  |  | 1,367,539 |  |  
    | Customer deposits |  |  | 231,073 |  |  |  | 182,052 |  |  
    | Accrued expenses - other |  |  | 3,202,976 |  |  |  | 1,563,819 |  |  
    |  |  | $ | 14,395,352 |  |  | $ | 8,986,734 |  |  |