Debt - Additional Information (Details) - USD ($)		12 Months Ended
	Oct. 14, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 14, 2020
Line Of Credit Facility [Line Items]
Revolving credit facility, outstanding balance			$ 10,000,000
Secured term loan facilities, proceeds at closing		$ 30,000,000
Secured Overnight Financing Rate [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Description of variable rate basis		one-month secured overnight financing rate (“Term SOFR”) as published by CME Group Benchmark Administration Limited plus 0.10%
Debt instrument, basis spread on variable rate	0.10%
Revolving Credit Facility [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility, maximum borrowing capacity	$ 25,000,000
Percentage of annual collateral management fee	0.50%
Revolving credit facility, minimum borrowing as percentage of availability	20.00%
Percentage of annual minimum balance fee	0.50%
Debt instrument, basis spread on variable rate	3.00%
Revolving credit facility, unused commitment fee rate	0.50%
Revolving Credit Facility [Member] | Secured Overnight Financing Rate [Member]
Line Of Credit Facility [Line Items]
Description of variable rate basis		Term SOFR + 3.00%
Debt instrument, basis spread on variable rate		3.00%
Revolving Credit Facility [Member] | Tranche 1 [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility, proceeds at closing	$ 5,000,000
Revolving Credit Facility [Member] | Year Three to Maturity [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Prepayment penalty	1.00%
Revolving Credit Facility [Member] | Year Two [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Prepayment penalty	2.00%
Revolving Credit Facility [Member] | Minimum [Member] | Secured Overnight Financing Rate [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, variable rate floor	1.50%
Revolving Credit Facility [Member] | Bridgewater Loan Agreement [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility, maximum borrowing capacity				$ 25,000,000
Revolving credit facility, outstanding balance			$ 10,000,000
Repayments of lines of credit	$ 10,000,000
Revolving credit facility, interest rate		Interest under the Bridgewater Loan Agreement accrued at a rate per annum equal to the greater of (i) 3.25%, and (ii) the 90-day interest rate yield for U.S. Government Treasury Securities plus 2.75%.
Debt instrument, basis spread on variable rate		2.75%
Revolving credit facility, unused commitment fee rate		0.075%
Revolving credit facility, frequency of payments		quarterly
Debt weighted average interest rate on the revolving credit facility			6.10%
Revolving Credit Facility [Member] | Bridgewater Loan Agreement [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility, interest rate		3.25
Term Loans [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Secured term loan facilities, borrowing capacity	$ 75,000,000
MidCap Credit Agreement, exit fee	2.50%
Debt instrument, basis spread on variable rate	5.75%
Term Loans [Member] | Tranche 1 [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Secured term loan facilities, borrowing capacity	$ 25,000,000
Secured term loan facilities, proceeds at closing	25,000,000
Repayments of lines of credit	10,000,000
Term Loans [Member] | Tranche 1 [Member] | Secured Overnight Financing Rate [Member]
Line Of Credit Facility [Line Items]
Description of variable rate basis		Term SOFR +5.75%
Debt instrument, basis spread on variable rate		5.75%
Term Loans [Member] | Tranche 2 [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Secured term loan facilities, borrowing capacity	$ 50,000,000
Term Loans [Member] | Year Three to Maturity [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Prepayment penalty	1.00%
Term Loans [Member] | Year Two [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Prepayment penalty	2.00%
Term Loans [Member] | Minimum [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Secured term loan facilities, borrowing capacity	$ 10,000,000
Term Loans [Member] | Minimum [Member] | Secured Overnight Financing Rate [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, variable rate floor	1.50%
Term Loans [Member] | Maximum [Member] | Additional Tranche [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Secured term loan facilities, borrowing capacity	$ 25,000,000
Term Loans [Member] | Rolling-four-quarter Core Net Revenue [Member] | Minimum [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
MidCap Credit Agreement, minimum rolling-four-quarter core net revenue	60,000,000
Term Loans [Member] | Rolling-four-quarter Core Net Revenue [Member] | Minimum [Member] | Tranche 2 [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Secured term loan facilities, borrowing capacity	$ 25,000,000
Term Loans [Member] | Midcap Revolving Credit Facility [Member] | MidCap Event of Default [Member] | MidCap Credit Agreement [Member]
Line Of Credit Facility [Line Items]
MidCap Credit Agreement, interest rate premium upon event of default	2.00%