| Long-Term Debt (Tables)
 | 3 Months Ended | 
| Dec. 31, 2019 | 
|---|
| 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 | % |  | 
| Summary of Maximum Senior Leverage Ratio Required to Maintain for Vintage Stock | Vintage Stock is required to maintain a declining maximum senior leverage ratio on a trailing twelve-month basis as follows:   
| December 31, 2018 |   | 2.65 : 1.00 |  
| March 31, 2019 |   | 2.60 : 1.00 |  
| June 30, 2019 |   | 2.40 : 1.00 |  
| September 30, 2019 |   | 2.40 : 1.00 |  
| December 31, 2019 |   | 2.40 : 1.00 |  
| March 31, 2020 |   | 2.20 : 1.00 |  
| June 30, 2020 |   | 2.10 : 1.00 |  
| September 30, 2020 |   | 2.05 : 1.00 |  
| December 31, 2020 |   | 1.85 : 1.00 |  
| March 31, 2021 |   | 1.60 : 1.00 |  
| June 30, 2021 and thereafter |   | 1.55 : 1.00 |  | 
| Summary of Minimum Fixed Charge Ratio Required to Maintain for Vintage Stock | Vintage Stock is required to maintain on a trailing twelve-month basis a minimum fixed charge ratio of no less than the following:   
| June 30, 2018 |   | 1.30 : 1.00 |  
| September 30, 2018 |   | 1.30 : 1.00 |  
| December 31, 2018 |   | 1.30 : 1.00 |  
| March 31, 2019 |   | 1.10 : 1.00 |  
| June 30, 2019 |   | 1.30 : 1.00 |  
| September 30, 2019 |   | 1.30 : 1.00 |  
| December 31, 2019 |   | 1.30 : 1.00 |  
| March 31, 2020 and thereafter |   | 1.40 : 1.00 |  | 
| Schedule of Long-term Debt | Long-term debt as of December 31, 2019 and September 30, 2019 consisted of the following:   
|   |   | December 31, 2019 |   |   | September 30, 2019 |   |  
| Bank of America Revolver Loan |   | $ | 541 |   |   | $ | 13 |   |  
| Texas Capital Bank Revolver Loan |   |   | 9,507 |   |   |   | 10,590 |   |  
| Note Payable Comvest Term Loan |   |   | 13,909 |   |   |   | 15,412 |   |  
| Note Payable to the Sellers of Vintage Stock |   |   | 10,000 |   |   |   | 10,000 |   |  
| Crossroads Financial Revolver Loan |   |   | — |   |   |   | 1,981 |   |  
| Note #1 Payable to Banc of America Leasing & Capital LLC |   |   | 1,853 |   |   |   | 2,057 |   |  
| Note #3 Payable to Banc of America Leasing & Capital LLC |   |   | 2,252 |   |   |   | 2,379 |   |  
| Note #4 Payable to Banc of America Leasing & Capital LLC |   |   | 692 |   |   |   | 731 |   |  
| Note #5 Payable to Banc of America Leasing & Capital LLC |   |   | 2,936 |   |   |   | 3,065 |   |  
| Note #6 Payable to Banc of America Leasing & Capital LLC |   |   | 859 |   |   |   | 891 |   |  
| Note Payable to Store Capital Acquisitions, LLC |   |   | 9,266 |   |   |   | 9,274 |   |  
| 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 |   |  
| Total notes payable |   |   | 52,522 |   |   |   | 57,100 |   |  
| Less unamortized debt issuance costs |   |   | (1,263 | ) |   |   | (1,384 | ) |  
| Net amount |   |   | 51,259 |   |   |   | 55,716 |   |  
| Less current portion |   |   | (15,989 | ) |   |   | (7,897 | ) |  
| Long-term portion |   | $ | 35,270 |   |   | $ | 47,819 |   |  | 
| Schedule of Future Maturities of Long-term Debt | Future maturities of long-term debt at December 31, 2019, are as follows which does not include related party debt separately stated:   
| Twelve months ending December 31, |   |   |   |   |  
| 2020 |   | $ | 15,989 |   |  
| 2021 |   |   | 5,831 |   |  
| 2022 |   |   | 4,862 |   |  
| 2023 |   |   | 15,800 |   |  
| 2024 |   |   | 966 |   |  
| Thereafter |   |   | 9,074 |   |  
| Total |   | $ | 52,522 |   |  | 
| Bank of America Revolver Loan |  | 
| Summary of Bank Revolver | The following tables summarize the BofA Revolver for the three months ended December 31, 2019 and 2018 and as of December 31, 2019 and September 30, 2019:   
|   |   | During the three months ended December 31, |   |  
|   |   | 2019 |   |   | 2018 |   |  
| Cumulative borrowing during the period |   | $ | 24,344 |   |   | $ | 22,723 |   |  
| Cumulative repayment during the period |   |   | 23,817 |   |   |   | 28,013 |   |  
| Maximum borrowed during the period |   |   | 2,083 |   |   |   | 8,071 |   |  
| Weighted average interest for the period |   |   | 3.66 | % |   |   | 4.27 | % |  
|   |   |   |   |   |   |   |   |   |  
|   |   |   |   |  
|   |   | December 31, 2019 |   |   | September 30, 2019 |   |  
| Total availability |   | $ | 14,387 |   |   | $ | 14,914 |   |  
| Total outstanding |   |   | 541 |   |   |   | 13 |   |  | 
| Texas Capital Bank Revolver Loan |  | 
| Summary of Bank Revolver | The following tables summarize the TCB Revolver for the three months ended December 31, 2019 and 2018 and as of December 31, 2019 and September 30, 2019:   
|   |   | During the three months ended December 31, |   |  
|   |   | 2019 |   |   | 2018 |   |  
| Cumulative borrowing during the period |   | $ | 18,626 |   |   | $ | 19,320 |   |  
| Cumulative repayment during the period |   |   | 19,709 |   |   |   | 21,376 |   |  
| Maximum borrowed during the period |   |   | 11,798 |   |   |   | 16,078 |   |  
| Weighted average interest for the period |   |   | 4.13 | % |   |   | 4.50 | % |  
|   |   |   |   |   |   |   |   |   |  
|   |   |   |   |  
|   |   | December 31, 2019 |   |   | September 30, 2019 |   |  
| Total availability |   | $ | 2,493 |   |   | $ | 1,410 |   |  
| Total outstanding |   |   | 9,507 |   |   |   | 10,590 |   |  |