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Subsequent Events - Additional Information (Detail) - Subsequent Events [Member] - Securities Purchase Agreement [Member] $ / shares in Units, $ in Millions	Jan. 25, 2021 USD ($) $ / shares shares
Subsequent Event [Line Items]
Cash proceeds, net of transaction fees | $	$ 23.3
Institutional and Accredited Investors [Member]
Subsequent Event [Line Items]
Shares of common stock issued	7,876,784
Warrant issued, shares of common stock called by warrant	3,938,392
Stock price | $ / shares	$ 3.1925
Warrants expiration period	5 years 6 months
Warrants issued, exercise price | $ / shares	$ 3.13
Wainwright or Designees [Member]
Subsequent Event [Line Items]
Warrant issued, shares of common stock called by warrant	393,839
Maximum [Member] | Wainwright or Designees [Member]
Subsequent Event [Line Items]
Percentage of warrants to purchase aggregate number of shares	5.00%

X

- Definition

Percentage of warrants to purchase aggregate number of shares.

+ References

No definition available.

+ Details

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- Definition

Warrants expiration period.

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

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- Definition

Number of new stock issued during the period.

+ References

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-Name Accounting Standards Codification
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-SubTopic 10
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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.

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