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Long-Term Debt - Comvest Term Loan - Additional Information (Details) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 07, 2018 USD ($) | Mar. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Sep. 30, 2020 USD ($) Location | Sep. 30, 2018
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Senior leverage ratio |  |  |  |  |  |  | 200.00% |
Debt instrument covenant minimum EBITDA on trailing twelve-month basis |  |  |  | $ 10,000,000 | $ 10,000,000 | $ 10,000,000 |  |
Capital expenditures due current |  |  |  |  |  |  | $ 2,000,000 |
Capital expenditures due year two |  |  |  |  |  |  | 1,750,000 |
Capital expenditures due year three |  |  |  |  |  |  | 1,500,000 |
Capital expenditures due thereafter |  |  |  |  |  |  | $ 1,500,000 |
Number of retail location | Location |  |  |  |  |  |  | 3 |
Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Senior leverage ratio |  |  |  |  |  |  |  | 200.00%
Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Senior leverage ratio |  |  |  |  |  |  | 200.00% |
Number of retail location | Location |  |  |  |  |  |  | 5 |
Store Sales Percentage |  |  |  |  |  |  | 5.50% |
Median |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Senior leverage ratio |  |  |  |  |  |  | 150.00% |
Comvest Term Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Date entered into an agreement | Jun. 07, 2018 |  |  |  |  |  |  |
Credit line maximum | $ 24,000,000 |  |  |  |  |  |  |
Proceeds from term loans | $ 4,000,000 |  |  |  |  |  |  |
Debt instrument, federal funds rate | 0.50% |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  | May 26, 2023 |
Term loan amortization percentage |  |  |  |  |  |  | 12.50% |
Decrease in leverage ratio |  |  |  |  |  |  | 10.00% |
Debt periodic frequency |  |  |  |  |  |  | quarterly |
Comvest Term Loan | LIBOR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Credit line weighted average interest rate | 1.00% |  |  |  |  |  |  |
Percentage points added to the reference rate | 2.00% |  |  |  |  |  | 1.00% |
Comvest Term Loan | Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Credit line weighted average interest rate | 8.00% |  |  |  |  |  |  |
Percentage of excess cash flow |  |  |  |  |  |  | 50.00% |
Prepayment premium |  |  |  |  |  |  | 1.00% |
Senior leverage ratio |  |  |  |  |  |  | 200.00% |
Comvest Term Loan | Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Credit line weighted average interest rate | 9.50% |  |  |  |  |  |  |
Senior secured leverage ratio |  |  |  |  |  |  | 150.00% |
Percentage of excess cash flow |  |  |  |  |  |  | 100.00% |
Prepayment premium |  |  |  |  |  |  | 5.00% |
Comvest Term Loan | Maximum | Scenario Forecast |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Senior leverage ratio |  | 200.00% | 200.00% |  |  |  |  |

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