| Summary of Segment Information | The following tables summarize segment information (in $000's):   
       
        |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
        |   |   | For the Three Months Ended March 31, |   |   | For the Six Months Ended March 31, |   |  
        |   |   | 2023 |   |   | 2022 |   |   | 2023 |   |   | 2022 |   |  
        | Revenues |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Retail-Entertainment |   | $ | 19,188 |   |   | $ | 20,741 |   |   | $ | 42,461 |   |   | $ | 46,952 |   |  
        | Retail-Flooring |   |   | 20,769 |   |   |   | — |   |   |   | 20,769 |   |   |   | — |   |  
        | Flooring Manufacturing |   |   | 30,340 |   |   |   | 32,772 |   |   |   | 56,772 |   |   |   | 65,644 |   |  
        | Steel Manufacturing |   |   | 19,916 |   |   |   | 14,027 |   |   |   | 37,897 |   |   |   | 26,393 |   |  
        | Corporate & Other |   |   | 909 |   |   |   | 2,166 |   |   |   | 2,209 |   |   |   | 5,875 |   |  
        | Total revenues |   | $ | 91,122 |   |   | $ | 69,706 |   |   | $ | 160,108 |   |   | $ | 144,864 |   |  
        |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Gross profit |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Retail-Entertainment |   | $ | 10,654 |   |   | $ | 11,110 |   |   | $ | 22,864 |   |   | $ | 24,500 |   |  
        | Retail-Flooring |   |   | 7,742 |   |   |   | — |   |   |   | 7,742 |   |   |   | — |   |  
        | Flooring Manufacturing |   |   | 7,328 |   |   |   | 8,580 |   |   |   | 11,989 |   |   |   | 17,609 |   |  
        | Steel Manufacturing |   |   | 5,647 |   |   |   | 4,252 |   |   |   | 10,040 |   |   |   | 7,867 |   |  
        | Corporate & Other |   |   | 237 |   |   |   | 1,011 |   |   |   | 917 |   |   |   | 2,593 |   |  
        | Total gross profit |   | $ | 31,608 |   |   | $ | 24,953 |   |   | $ | 53,552 |   |   | $ | 52,569 |   |  
        |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Operating income (loss) |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Retail-Entertainment |   | $ | 2,327 |   |   | $ | 3,132 |   |   | $ | 5,991 |   |   | $ | 7,942 |   |  
        | Retail-Flooring |   |   | (216 | ) |   |   | — |   |   |   | (216 | ) |   |   | — |   |  
        | Flooring Manufacturing |   |   | 2,406 |   |   |   | 3,875 |   |   |   | 3,158 |   |   |   | 8,483 |   |  
        | Steel Manufacturing |   |   | 2,814 |   |   |   | 2,719 |   |   |   | 4,270 |   |   |   | 4,373 |   |  
        | Corporate & Other |   |   | (2,379 | ) |   |   | (1,277 | ) |   |   | (3,684 | ) |   |   | (1,942 | ) |  
        | Total operating income |   | $ | 4,952 |   |   | $ | 8,449 |   |   | $ | 9,519 |   |   | $ | 18,856 |   |  
        |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Depreciation and amortization |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Retail-Entertainment |   | $ | 321 |   |   | $ | 296 |   |   | $ | 633 |   |   | $ | 636 |   |  
        | Retail-Flooring |   |   | 995 |   |   |   | — |   |   |   | 995 |   |   |   | — |   |  
        | Flooring Manufacturing |   |   | 1,082 |   |   |   | 780 |   |   |   | 2,193 |   |   |   | 1,559 |   |  
        | Steel Manufacturing |   |   | 1,114 |   |   |   | 281 |   |   |   | 2,207 |   |   |   | 515 |   |  
        | Corporate & Other |   |   | 133 |   |   |   | 139 |   |   |   | 269 |   |   |   | 335 |   |  
        | Total depreciation and amortization |   | $ | 3,645 |   |   | $ | 1,496 |   |   | $ | 6,297 |   |   | $ | 3,045 |   |  
        |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Interest expense |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Retail-Entertainment |   | $ | 152 |   |   | $ | 84 |   |   | $ | 306 |   |   | $ | 236 |   |  
        | Retail-Flooring |   |   | 1,021 |   |   |   | — |   |   |   | 1,021 |   |   |   | — |   |  
        | Flooring Manufacturing |   |   | 1,067 |   |   |   | 462 |   |   |   | 2,054 |   |   |   | 893 |   |  
        | Steel Manufacturing |   |   | 841 |   |   |   | 182 |   |   |   | 1,628 |   |   |   | 479 |   |  
        | Corporate & Other |   |   | 154 |   |   |   | 130 |   |   |   | 273 |   |   |   | 267 |   |  
        | Total interest expenses |   | $ | 3,235 |   |   | $ | 858 |   |   | $ | 5,282 |   |   | $ | 1,875 |   |  
        |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Net income before provision for income taxes |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Retail-Entertainment |   | $ | 2,178 |   |   | $ | 14,593 |   |   | $ | 5,716 |   |   | $ | 19,293 |   |  
        | Retail-Flooring |   |   | (1,390 | ) |   |   | — |   |   |   | (1,390 | ) |   |   | — |   |  
        | Flooring Manufacturing |   |   | 1,214 |   |   |   | 3,337 |   |   |   | 901 |   |   |   | 7,382 |   |  
        | Steel Manufacturing |   |   | 1,715 |   |   |   | 2,002 |   |   |   | 1,983 |   |   |   | 3,315 |   |  
        | Corporate & Other |   |   | (1,609 | ) |   |   | (1,051 | ) |   |   | (2,643 | ) |   |   | (1,603 | ) |  
        | Total net income before provision for income taxes |   | $ | 2,108 |   |   | $ | 18,881 |   |   | $ | 4,567 |   |   | $ | 28,387 |   |    |