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- Definition

Class of warrant or right exercise price of warrants or rights 2.

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Class of warrant or right expiration period.

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Deemed dividend.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

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

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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.

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- Definition

Number of common units issued of limited liability company (LLC).

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- Definition

Number of common units of ownership outstanding of a limited liability company (LLC).

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No definition available.

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- Definition

Expense related to distribution, servicing and underwriting fees.

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- Definition

The cash inflow from the additional capital contribution to the entity.

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Date the subsidiary or equity investee issued or sold stock, in CCYY-MM-DD format.

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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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Common Stock - Additional Information (Detail) - USD ($)						12 Months Ended
	Jul. 12, 2019	Mar. 12, 2019	Oct. 10, 2018	Oct. 02, 2018	Sep. 26, 2018	Dec. 31, 2018	Dec. 31, 2019
Changes In Equity And Comprehensive Income Line Items [Line Items]
Net proceeds from offering						$ 4,334,816
Deemed dividend						56,792
Spitfire Pharma, Inc. [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Unregistered shares of common stock	1,887,250
First Registered Direct Offering [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Shares of common stock issued					286,633
Purchase price per share					$ 17.02
Net proceeds from offering					$ 4,334,816
Placement agent fees and offering expenses					$ 543,677
Unit Offering [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Net proceeds from offering				$ 10,667,506
Common units outstanding				2,400,000
Sale of transaction date				Oct. 02, 2018
Common units issued				2,400,000
Unit Offering [Member] \| Common Units
Changes In Equity And Comprehensive Income Line Items [Line Items]
Public offering price per share				$ 5.00
Per share exercise price				$ 6.00
Warrant expiration period				5 years
Unit Offering [Member] \| Common Units [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Public offering price per share				$ 4.99
Per share exercise price				0.01
Per share exercise price				$ 6.00
Second Registered Direct Offering [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Net proceeds from offering			$ 22,400,673
Common units outstanding			4,629,630
Sale of transaction date			Oct. 10, 2018
Common units issued							4,629,630
Deemed dividend						$ 780,038
Second Registered Direct Offering [Member] \| Maximum [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Per share exercise price			$ 6.00
Second Registered Direct Offering [Member] \| Minimum [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Per share exercise price			4.1798
Second Registered Direct Offering [Member] \| Common Units
Changes In Equity And Comprehensive Income Line Items [Line Items]
Public offering price per share			5.40
Per share exercise price			$ 5.40
Warrant expiration period			5 years
Second Registered Direct Offering [Member] \| Common Units [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Public offering price per share			$ 5.39
Per share exercise price			5.40
Per share exercise price			$ 0.01
Third Registered Direct Offering [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Net proceeds from offering		$ 12,668,784
Common units outstanding		4,361,370
Sale of transaction date		Mar. 12, 2019
Warrant expiration period		5 years
Deemed dividend							$ 452,925
Third Registered Direct Offering [Member] \| Maximum [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Per share exercise price		$ 4.1798
Third Registered Direct Offering [Member] \| Minimum [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Per share exercise price		2.7568
Third Registered Direct Offering [Member] \| Common Units
Changes In Equity And Comprehensive Income Line Items [Line Items]
Public offering price per share		3.21
Per share exercise price		$ 3.21
Shares of common stock called by warrants		0.70
Third Registered Direct Offering [Member] \| Common Units [Member]
Changes In Equity And Comprehensive Income Line Items [Line Items]
Public offering price per share		$ 3.20
Per share exercise price		0.01
Per share exercise price		$ 3.21
Shares of common stock called by warrants		0.70