Class of warrant or right, sale price of warrants or rights.

No definition available.

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Period Type:	instant

- Definition

Number of exercised warrants.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Number of shares entitled to warrant holder.

+ References

No definition available.

+ Details

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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

No definition available.

+ Details

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Period Type:	duration

- Definition

Date the warrants or rights are exercisable, in CCYY-MM-DD format.

+ 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

+ Details

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Period Type:	duration

- Definition

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

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- 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

+ Details

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- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ 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)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Balance Type:	na
Period Type:	duration

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

+ 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
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Common Stock - Additional Information (Detail) - USD ($)		3 Months Ended
	Feb. 13, 2020	Mar. 31, 2021	Mar. 31, 2020
Class of Stock [Line Items]
Proceeds from exercise of warrants		$ 7,288,275	$ 161,298
Restricted Stock [Member]
Class of Stock [Line Items]
Number of shares, Vested		10	16
Restricted Stock Units [Member]
Class of Stock [Line Items]
Number of shares, Vested		11,397	1,033
Investor Warrants [Member]
Class of Stock [Line Items]
Warrants exercised		826,700	21,500
Proceeds from exercise of warrants			$ 161,200
Underwriter Warrants [Member]
Class of Stock [Line Items]
Warrants to purchase common stock	214,300
Common stock warrants, exercise price per share	$ 7.00
Warrants maturity date	Feb. 13, 2025
Warrants exercised		162,575
Investor Warrants and Underwriter Warrants [Member]
Class of Stock [Line Items]
Proceeds from exercise of warrants		$ 7,288,300
February 2020 Offering [Member]
Class of Stock [Line Items]
Number of shares entitled to warrant holder	1
February 2020 Offering [Member] \| Pre-funded Warrants [Member]
Class of Stock [Line Items]
Warrants to purchase common stock	483,000
Common stock warrants, sale price per share	$ 6.9999
Net proceeds (including paid and unpaid offering expenses) of warrants	$ 13,475,500
Common stock warrants, exercise price per share	$ 0.0001
Warrants exercised date		Mar. 31, 2020
February 2020 Offering [Member] \| Investor Warrants [Member]
Class of Stock [Line Items]
Warrants to purchase common stock	2,143,000
Common stock warrants, exercise price per share	$ 7.50
Warrants maturity date	Feb. 13, 2025
February 2020 Offering [Member] \| Underwritten Public Offering [Member]
Class of Stock [Line Items]
Stock issued during period	1,660,000
Sale of common stock price per share	$ 7.00
February 2020 Offering [Member] \| Underwriters [Member]
Class of Stock [Line Items]
Stock issued during period	321,450
Sale of common stock price per share	$ 6.99
Warrants to purchase common stock	321,450
February 2020 Offering [Member] \| Underwriters [Member] \| Investor Warrants [Member]
Class of Stock [Line Items]
Common stock warrants, exercise price per share	$ 0.01