| Summary of Segment Information | The following tables summarize segment information for the years ended September 30, 2021 and 2020:   
       
        |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
        |   |   | Year Ended |   |   | Year Ended |   |  
        |   |   | September 30, 2021 |   |   | September 30, 2020 |   |  
        |   |   |   |   |   | % of |   |   |   |   |   | % of Total |   |  
        |   |   | NetRevenue
 |   |   | TotalRevenue
 |   |   | NetRevenue
 |   |   | TotalRevenue
 |   |  
        | Retail   |   |   |   |   |   |   |   |   |   |   |   |   |  
        |   Movies, Music, Games and Other |   | $ | 87,742 |   |   |   | 32.1 | % |   | $ | 69,602 |   |   |   | 36.3 | % |  
        |   Appliance  |   |   | 1,103 |   |   |   | 0.4 | % |   |   | 3,961 |   |   |   | 2.1 | % |  
        | Flooring manufacturing  |   |   | 130,223 |   |   |   | 47.7 | % |   |   | 109,642 |   |   |   | 57.2 | % |  
        | Steel manufacturing  |   |   | 49,302 |   |   |   | 18.1 | % |   |   | 7,962 |   |   |   | 4.2 | % |  
        | Corporate and other  |   |   | 4,611 |   |   |   | 1.7 | % |   |   | 553 |   |   |   | 0.3 | % |  
        | Total Revenue |   | $ | 272,981 |   |   |   | 100.0 | % |   | $ | 191,720 |   |   |   | 100.0 | % |      
       
        |  |  |  |  |  |  |  |  |  |  
        |   |   | Year Ended September 30, |   |  
        |   |   | 2021 |   |   | 2020 |   |  
        | Revenues |   |   |   |   |   |   |  
        | Retail  |   | $ | 88,845 |   |   | $ | 73,563 |   |  
        | Flooring Manufacturing |   |   | 130,223 |   |   |   | 109,642 |   |  
        | Steel Manufacturing |   |   | 49,302 |   |   |   | 7,962 |   |  
        | Corporate & Other |   |   | 4,611 |   |   |   | 553 |   |  
        |      |   | $ | 272,981 |   |   | $ | 191,720 |   |  
        | Gross profit |   |   |   |   |   |   |  
        | Retail  |   | $ | 48,059 |   |   | $ | 40,779 |   |  
        | Flooring Manufacturing |   |   | 37,893 |   |   |   | 32,857 |   |  
        | Steel Manufacturing |   |   | 11,954 |   |   |   | 1,164 |   |  
        | Corporate & Other |   |   | 1,557 |   |   |   | 517 |   |  
        |     |   | $ | 99,463 |   |   | $ | 75,317 |   |  
        | Operating income (loss) |   |   |   |   |   |   |  
        | Retail  |   | $ | 16,340 |   |   | $ | 8,737 |   |  
        | Flooring Manufacturing |   |   | 20,203 |   |   |   | 16,082 |   |  
        | Steel Manufacturing |   |   | 5,869 |   |   |   | 172 |   |  
        | Corporate & Other |   |   | (6,622 | ) |   |   | (4,569 | ) |  
        |      |   | $ | 35,790 |   |   | $ | 20,422 |   |  
        | Depreciation and amortization |   |   |   |   |   |   |  
        | Retail  |   | $ | 1,499 |   |   | $ | 1,779 |   |  
        | Flooring Manufacturing |   |   | 3,721 |   |   |   | 3,564 |   |  
        | Steel Manufacturing |   |   | 1,440 |   |   |   | 450 |   |  
        | Corporate & Other |   |   | 131 |   |   |   | 69 |   |  
        |      |   | $ | 6,791 |   |   | $ | 5,862 |   |  
        | Interest expense, net |   |   |   |   |   |   |  
        | Retail  |   | $ | 1,578 |   |   | $ | 3,008 |   |  
        | Flooring Manufacturing |   |   | 2,049 |   |   |   | 1,812 |   |  
        | Steel Manufacturing |   |   | 1,046 |   |   |   | 260 |   |  
        | Corporate & Other |   |   | 532 |   |   |   | 174 |   |  
        |     |   | $ | 5,205 |   |   | $ | 5,254 |   |  
        | Income before provision for income taxes |   |   |   |   |   |   |  
        | Retail  |   | $ | 15,789 |   |   | $ | 5,596 |   |  
        | Flooring Manufacturing |   |   | 22,742 |   |   |   | 17,509 |   |  
        | Steel Manufacturing |   |   | 5,239 |   |   |   | (908 | ) |  
        | Corporate & Other |   |   | (4,091 | ) |   |   | (6,581 | ) |  
        |       |   | $ | 39,679 |   |   | $ | 15,616 |   |     |