Borrowings - PPP Loan - Additional Information (Detail) - USD ($)		9 Months Ended
Apr. 10, 2020	Sep. 30, 2020
Debt Instrument [Line Items]
Proceeds from Paycheck Protection Program loan		$ 4,873,000
US Small Business Administration
Debt Instrument [Line Items]
Maximum payroll cost exclude compensation of individual employee	$ 100,000
Forgiveness reduction in case of reduction in salaries and wages of employees with	$ 100,000
US Small Business Administration \| Maximum
Debt Instrument [Line Items]
Percentage of non payroll costs	40.00%
Percentage of decrease in salaries and wages for employees	25.00%
PPP Loan
Debt Instrument [Line Items]
Proceeds from Paycheck Protection Program loan	$ 4,900,000
Maturity date	Apr. 09, 2022
Annual interest rate	0.98%	0.98%
Debt instrument, payment terms	Principal and interest payments can be deferred up to ten months after the end of the Company’s covered period unless the Company is notified earlier of its loan forgiveness status. In the event the SBA does not authorize loan forgiveness, the deferred principal and interest will be payable to the lender and the Company will then make equal monthly payments as required to fully amortize the remaining principal amount by April 9, 2022
Debt instrument, prepayment penalties	$ 0

Forgiveness reduction in case of reduction in salaries and wages of employees with.

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- Definition

Maximum payroll cost exclude compensation of individual employee.

+ References

No definition available.

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Penalties in case of prepayment loan.

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- Definition

Percentage of decrease in salaries and wages for employees.

+ References

No definition available.

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- Definition

Percentage of non payroll costs.

+ References

No definition available.

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- Definition

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

+ References

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- Definition

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.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02.22(a)(2))
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- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

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