Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Comvest Term Loan - Additional Information (Details)

Long-Term Debt - Comvest Term Loan - Additional Information (Details)		3 Months Ended													12 Months Ended
	Jun. 07, 2018 USD ($)	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019 USD ($)	Jun. 30, 2019	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) Location	Sep. 30, 2018 USD ($)
Debt Instrument [Line Items]
Senior leverage ratio															200.00%
Debt instrument covenant minimum EBITDA on trailing twelve months basis											$ 11,500,000	$ 12,000,000	$ 12,000,000	$ 12,000,000
Capital expenditures due current									$ 1,500,000				$ 1,000,000		$ 1,500,000	$ 1,000,000
Capital expenditures due year two									2,000,000						2,000,000
Capital expenditures due year three									1,750,000						1,750,000
Capital expenditures due year four									1,500,000						1,500,000
Capital expenditures due thereafter									$ 1,500,000						$ 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									240.00%	240.00%	260.00%	265.00%	285.00%	285.00%	200.00%
Number of retail location \| Location															5
Store Sales Percentage															5.50%
Maximum \| Scenario Forecast
Debt Instrument [Line Items]
Senior leverage ratio		155.00%	160.00%	185.00%	205.00%	215.00%	220.00%	240.00%
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
Debt issuance cost									$ 1,318,000						$ 1,318,000
Comvest Term Loan \| LIBOR
Debt Instrument [Line Items]
Interest on borrowings	1.00%
Percentage points added to the reference rate	2.00%														1.00%
Comvest Term Loan \| Minimum
Debt Instrument [Line Items]
Interest on borrowings	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]
Interest on borrowings	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%