Debt instrument interest rate additional interest deducted from base rate.

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Debt instrument interest rate base rate.

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Debt instrument number of periodic payment.

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Debt instrument principal payment deferred commencement date.

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Loan facility extension period.

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Loans Agreement And Receivable Description

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New loan funding received

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Percentage forecast revenue

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prime interest rate

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Unrestricted cash and cash equivalents at carrying value.

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Reflects the effective interest rate as of the balance sheet date on interest-bearing trade payables.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

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Face (par) amount of debt instrument at time of issuance.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Contractual interest rate for funds borrowed, under the debt agreement.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after accumulated amortization, of debt discount.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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The increase (decrease) during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a period of years. Deferred charges differ from prepaid expenses in that they usually extend over a long period of time and may or may not be regularly recurring costs of operation.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount, after allowance for credit loss, of financing receivable, classified as current. Includes, but is not limited to, notes and loan receivable.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Hercules Loan Facility - Additional Information (Detail)	1 Months Ended			9 Months Ended
	Aug. 31, 2020 USD ($)	Nov. 30, 2018 USD ($) Installment	Dec. 31, 2017 USD ($) Installment	Sep. 30, 2020 USD ($)	Jun. 30, 2022 USD ($)	Jul. 02, 2021 USD ($)	Jun. 30, 2021 USD ($)	Aug. 01, 2020	Dec. 31, 2019 USD ($)	Oct. 31, 2019	Sep. 30, 2019	Aug. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018
Debt Instrument [Line Items]
Loan payable, interest rate										9.45%	9.70%	9.95%		9.95%	9.70%
Loan issuance costs paid				$ 255,000
Approximate payment of principle and interest				7,272,000
Revenues	$ 20,000,000.0
Loan description	Per the terms of the 2020 Loan Facility, principal will be repaid in equal monthly installments following the conclusion of the interest-only period. The Company may prepay all of the outstanding principal and accrued interest under the 2020 Loan Facility, subject to a prepayment charge up to 3.0% in the first year following the closing of the 2020 Loan Amendment, decreasing to 2.0% in year two and 1.0% in year three.
Unamortized discount recognized				$ 1,383,000					$ 400,000
2020 Loan Agreement
Debt Instrument [Line Items]
Loan facility	$ 35,000,000.0
Secured Debt	9,700,000
New loan funding received	$ 5,300,000
Interest rate				9.65%
Prime interest rate	3.25%
Principle payment commencement date				Oct. 01, 2021
Unrestricted Cash	$ 5,000,000.0
2020 Loan Agreement \| Tranche one
Debt Instrument [Line Items]
Loan facility received	$ 15,000,000.0
Scenario Forecast \| Tranche Two
Debt Instrument [Line Items]
Loan facility received							$ 10,000,000.0
Scenario Forecast \| Tranche Three
Debt Instrument [Line Items]
Loan facility received						$ 5,000,000.0
Scenario Forecast \| Tranche four
Debt Instrument [Line Items]
Loan facility received					$ 5,000,000.0
Minimum \| 2020 Loan Agreement
Debt Instrument [Line Items]
Interest rate	9.65%
Unrestricted Cash	$ 10,000,000.0
Percentage of forecast revenue	75.00%
Maximum \| 2020 Loan Agreement
Debt Instrument [Line Items]
Interest rate	15.00%
Undiscounted Excess Amount	$ 500,000
2017 Loan Agreement with Hercules
Debt Instrument [Line Items]
Refinancing amount			$ 20,000,000.0
Proceeds from additional borrowing capacity			$ 20,000,000.0
Loan facility maturity period			42 months
Loan facility extension period			24 months
Loan payable, number of installments of principal and interest \| Installment		24
Loan payable, Commencement date deferred by six months		Aug. 01, 2019
Loan payable, frequency of installments of principal and interest		monthly payments of principal and interest
Loan outstanding principal amount				$ 9,700,000
2017 Loan Agreement with Hercules \| July 2021
Debt Instrument [Line Items]
Approximate payment of principle and interest		$ 900,000
2017 Loan Agreement with Hercules \| Loans Payable
Debt Instrument [Line Items]
Loan payable, due date				Jul. 01, 2021
Loan payable, number of installments of principal and interest \| Installment			29
Loan payable, interest rate								9.45%					10.20%
Loan issuance costs paid			$ 100,000
Loan payable, Commencement date deferred by six months				Feb. 01, 2019
Additional, end-of-term payment			$ 800,000
Loan payable, frequency of installments of principal and interest			monthly payments of principal and interest
Loan payable, interest rate, base rate				9.45%
Loan payable, interest rate, additional rate deducted from base rate				4.75%
Loan payable, description of interest rate terms				Per annum interest was payable on the loan balance at the greater of 9.45% and an amount equal to 9.45% plus the prime rate minus 4.75%, as determined daily, provided however, that the per annum interest rate shall not exceed 15.0%. In 2018, the interest rate increased to 9.70%, 9.95% and 10.20% in June 2018, September 2018 and December 2018, respectively, due to corresponding increases in the prime rate. In 2019, the interest rate decreased to 9.95%, 9.70% and 9.45% in August 2019, September 2019 and October 2019, respectively, due to corresponding decreases in the prime rate
2017 Loan Agreement with Hercules \| Loans Payable \| July 2021
Debt Instrument [Line Items]
Approximate payment of principle and interest			$ 800,000
2017 Loan Agreement with Hercules \| Loans Payable \| Minimum
Debt Instrument [Line Items]
Loan payable, interest rate				9.45%
2017 Loan Agreement with Hercules \| Loans Payable \| Minimum \| Financial covenant
Debt Instrument [Line Items]
Unrestricted and unencumbered cash and cash equivalents			$ 10,000,000.0
2017 Loan Agreement with Hercules \| Loans Payable \| Maximum
Debt Instrument [Line Items]
Loan payable, interest rate				15.00%
Hercules Amended Loan Agreement \| Loans Payable
Debt Instrument [Line Items]
Loan payable, interest rate			11.90%	9.45%