v3.21.1

Subsequent Events - Additional Information (Detail) - Paycheck Protection Program [Member] - CARES Act [Member] - USD ($) | Mar. 10, 2021 | Apr. 16, 2020
--- | --- | ---
Subsequent Event [Line Items] |  |
Notes payable, issued amount |  | $ 3,098,000
Notes payable, interest rate |  | 1.00%
Bank loan maturity term |  | 2 years
Subsequent Events [Member] |  |
Subsequent Event [Line Items] |  |
Notes payable, issued amount | $ 2,000,000 |
Notes payable, interest rate | 1.00% |
Bank loan maturity term | 5 years |

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- Definition Debt instrument maturity term. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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Period Type: |