| Long-Term Debt (Tables)
 | 12 Months Ended | 
| Sep. 30, 2020 | 
|---|
| Schedule of Long-term Debt | Notes Payable as of September 30, 2020 and 2019 consisted of the following:   
|   |   | September 30, 2020 |   |   | September 30, 2019 |   |  
| Bank of America Revolver Loan |   | $ | — |   |   | $ | 13 |   |  
| Encina Business Credit Revolver Loan |   |   | 14,886 |   |   |   | — |   |  
| Texas Capital Bank Revolver Loan |   |   | 7,115 |   |   |   | 10,590 |   |  
| Crossroads Financial Revolver Loan |   |   | 883 |   |   |   | 1,981 |   |  
| Encina Business Credit Term Loan |   |   | 1,663 |   |   |   | — |   |  
| Note Payable Comvest Term Loan |   |   | 5,554 |   |   |   | 15,412 |   |  
| Note Payable to the Sellers of Vintage Stock |   |   | 10,000 |   |   |   | 10,000 |   |  
| Note #1 Payable to Banc of America Leasing & Capital LLC |   |   | 1,229 |   |   |   | 2,057 |   |  
| Note #3 Payable to Banc of America Leasing & Capital LLC |   |   | 1,862 |   |   |   | 2,379 |   |  
| Note #4 Payable to Banc of America Leasing & Capital LLC |   |   | 572 |   |   |   | 731 |   |  
| Note #5 Payable to Banc of America Leasing & Capital LLC |   |   | 2,538 |   |   |   | 3,065 |   |  
| Note #6 Payable to Banc of America Leasing & Capital LLC |   |   | 758 |   |   |   | 891 |   |  
| Note #7 Payable to Banc of America Leasing & Capital LLC |   |   | 4,681 |   |   |   | — |   |  
| Note #8 Payable to Banc of America Leasing & Capital LLC |   |   | 3,091 |   |   |   | — |   |  
| Equipment loans |   |   | 2,900 |   |   |   | — |   |  
| Note payable to the Sellers of Precision Marshall |   |   | 2,500 |   |   |   | — |   |  
| Note Payable to Store Capital Acquisitions, LLC |   |   | 9,243 |   |   |   | 9,274 |   |  
| Payroll Protection Program |   |   | 6,151 |   |   |   | — |   |  
| Note payable to individual, interest at 11% per annum, payable on a 90 day    written notice, unsecured |   |   | 207 |   |   |   | 207 |   |  
| Note payable to individual, interest at 10% per annum, payable on a 90 day    written notice, unsecured |   |   | 500 |   |   |   | 500 |   |  
| Note payable to individual, noninterest bearing, monthly payments of $19 through March 2023, unsecured |   |   | 810 |   |   |   | — |   |  
| Total notes payable |   |   | 77,143 |   |   |   | 57,100 |   |  
| Less unamortized debt issuance costs |   |   | (1,767 | ) |   |   | (1,384 | ) |  
| Net amount |   |   | 75,376 |   |   |   | 55,716 |   |  
| Less current portion |   |   | (11,986 | ) |   |   | (7,897 | ) |  
| Long-term portion |   | $ | 63,390 |   |   | $ | 47,819 |   |    | 
| Schedule of Future Maturities of Long-term Debt | Future maturities of long-term debt at September 30, 2020 are as follows excluding related party debt:   
| Years ending September 30, |   |   |   |   |  
| 2021 |   | $ | 11,986 |   |  
| 2022 |   |   | 13,678 |   |  
| 2023 |   |   | 36,218 |   |  
| 2024 |   |   | 2,256 |   |  
| 2025 |   |   | 1,308 |   |  
| Thereafter |   |   | 11,697 |   |  
| Total |   | $ | 77,143 |   |  | 
| Schedule of Fixed Coverage Ratio | The BofA Revolver Loan bears interest at a variable rate based on a base rate plus a margin. The current base rate is the greater of (i) Bank of America prime rate, (ii) the current federal funds rate plus 0.50%, or (iii) 30-day LIBOR plus 1.00% plus the margin, which varies, depending on the fixed coverage ratio table below. Levels I – V determine the interest rate to be charged Marquis which is based on the fixed charge coverage ratio achieved. The Level V interest rate is adjusted up or down on a quarterly basis going forward based upon the above fixed coverage ratio achieved by Marquis.   
| Level |   | Fixed Charge Coverage Ratio |   | Base Rate Revolver |   |   | LIBOR Revolver |   |  
| I |   | <1.20 to 1.00 |   |   | 1.25 | % |   |   | 2.25 | % |  
| II |   | >1.20 to 1.00 but <1.50 to 1.00 |   |   | 1.00 | % |   |   | 2.00 | % |  
| III |   | >1.50 to 1.00 but <1.75 to 1.00 |   |   | 0.75 | % |   |   | 1.75 | % |  
| IV |   | >1.75 to 1.00 but <2.00 to 1.00 |   |   | 0.50 | % |   |   | 1.50 | % |  
| V |   | >2.00 to 1.00 |   |   | 0.25 | % |   |   | 1.25 | % |    | 
| Bank of America Revolver Loan |  | 
| Summary of Bank Revolver | The following tables summarize the BofA Revolver for the years ended and as of September 30, 2020 and 2019:   
|   |   | During the year ended September 30, |   |  
|   |   | 2020 |   |   | 2019 |   |  
| Cumulative borrowing during the period |   | $ | 121,924 |   |   | $ | 87,771 |   |  
| Cumulative repayment during the period |   |   | 123,073 |   |   |   | 95,358 |   |  
| Maximum borrowed during the period |   |   | 11,347 |   |   |   | 8,071 |   |  
| Weighted average interest for the period |   |   | 3.14 | % |   |   | 4.20 | % |  
|   |   |   |   |   |   |   |   |   |  
|   |   | As of September 30, |   |  
|   |   | 2020 |   |   | 2019 |   |  
| Total availability |   | $ | 21,732 |   |   | $ | 14,914 |   |  
| Total outstanding |   |   | — |   |   |   | 13 |   |  | 
| Encina Revolver Loans |  | 
| Summary of Bank Revolver | The following tables summarize the Encina Revolver Loans for the period of July 14, 2020 to September 30, 2020 and as of September 30, 2020:   
| During the period of July 14, 2020 through September 30, 2020 |   |   |   |   |  
| Cumulative borrowing during the period |   | $ | 22,088 |   |  
| Cumulative repayment during the period |   |   | 7,203 |   |  
| Maximum borrowed during the period |   |   | 14,920 |   |  
| Weighted average interest for the period |   |   | 6.50 | % |  
|   |   |   |   |   |  
|   |   |   |   |   |  
| As of September 30, 2020 |   |   |   |   |  
| Total availability |   | $ | 421 |   |  
| Total outstanding |   |   | 14,886 |   |  | 
| Texas Capital Bank Revolver Loan |  | 
| Summary of Bank Revolver | The following tables summarize the TCB Revolver for the years ended and as of  September 30, 2020 and September 30, 2019:   
|   |   | During the year ended September 30, |   |  
|   |   | 2020 |   |   | 2019 |   |  
| Cumulative borrowing during the period |   | $ | 66,362 |   |   | $ | 74,356 |   |  
| Cumulative repayment during the period |   |   | 69,837 |   |   |   | 75,648 |   |  
| Maximum borrowed during the period |   |   | 11,799 |   |   |   | 11,932 |   |  
| Weighted average interest for the period |   |   | 3.29 | % |   |   | 4.55 | % |  
|   |   |   |   |   |   |   |   |   |  
|   |   | As of September 30, |   |  
|   |   | 2020 |   |   | 2019 |   |  
| Total availability |   | $ | 5,520 |   |   | $ | 1,410 |   |  
| Total outstanding |   |   | 7,115 |   |   |   | 10,590 |   |  |