The number of securities for which warrants become exercisable.

No definition available.

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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.

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- Definition

Represents the exchange ratio of warrants to common stock under the cashless exercise feature.

+ References

No definition available.

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- Definition

The threshold period from issuance date from which the warrants are exercisable.

+ References

No definition available.

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- Definition

Represents the number of contingent settlement methods.

+ 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 235
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Number of new stock issued during the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References

No definition available.

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

Period between issuance and expiration 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 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Fair value portion of warrants not settleable in cash classified as equity.

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Warrants - Ladenburg Warrants (Details)		1 Months Ended
Warrants - Ladenburg Warrants (Details)	Jul. 23, 2019 USD ($) shares	May 31, 2020 USD ($) $ / shares item shares	Mar. 31, 2019 USD ($) $ / shares shares	Jun. 30, 2020 USD ($) $ / shares shares	May 22, 2020 $ / shares	Apr. 30, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares
Warrants
Warrants to purchase (in shares) \| shares				9,580
Warrant liability \| $				$ 4,086,000			$ 3,000
Series A Warrants \| Stock price
Warrants
Warrants - Measurement input				0.49			0.65
Series A Warrants \| Strike price
Warrants
Warrants - Measurement input				787.50			787.50
Series A Warrants \| Expected life
Warrants
Term of warrant				1 year 10 months 24 days			2 years 4 months 28 days
Series A Warrants \| Volatility
Warrants
Warrants - Measurement input				141.00			143.41
Series A Warrants \| Risk free rate
Warrants
Warrants - Measurement input				0.16			1.62
Series 3 warrants
Warrants
Warrants to purchase (in shares) \| shares		8,670,852
Exercise price (in dollars per share)		$ 0.53
Warrants exercisable period		6 months
Term of warrant		5 years
Contingent settlement methods \| item		2
Warrants conversion \| shares		1
Warrant liability \| $		$ 3,695,723
Series 3 warrants \| Stock price
Warrants
Warrants - Measurement input		0.05		0.49	0.44
Series 3 warrants \| Strike price
Warrants
Warrants - Measurement input		0.44		0.05	0.05
Series 3 warrants \| Expected life
Warrants
Term of warrant		5 years 6 months		5 years 4 months 21 days	5 years 6 months
Series 3 warrants \| Volatility
Warrants
Warrants - Measurement input		141		141	143
Series 3 warrants \| Risk free rate
Warrants
Warrants - Measurement input		0.34		0.29	0.34
Underwriter Warrants
Warrants
Warrants to purchase (in shares) \| shares						100,780
Exercise price (in dollars per share)						$ 2.50
Warrant liability \| $						$ 31,363
Underwriter Warrants \| Stock price
Warrants
Warrants - Measurement input				0.49		2.50	0.65
Underwriter Warrants \| Strike price
Warrants
Warrants - Measurement input				52.50		0.45	52.50
Underwriter Warrants \| Expected life
Warrants
Term of warrant				3 years 3 months 18 days		4 years 3 months	3 years 9 months 4 days
Underwriter Warrants \| Volatility
Warrants
Warrants - Measurement input				141		141	143.41
Underwriter Warrants \| Risk free rate
Warrants
Warrants - Measurement input				0.18		0.29	1.69
March 2019 LOC Warrants
Warrants
Warrants exercisable \| shares	45,750
Fair value of warrants \| $	$ 71,000
Securities purchase agreement \| March 2019 Ladenburg Warrants
Convertible Promissory Notes and Common Stock Warrants [Line Items]
Shares issued (in shares) \| shares			19,019
Warrants
Warrants to purchase (in shares) \| shares			761
Exercise price (in dollars per share)			$ 17.50
Warrant liability \| $			$ 13,000
Securities purchase agreement \| March 2019 Ladenburg Warrants \| Stock price
Warrants
Warrants - Measurement input			17.50
Securities purchase agreement \| March 2019 Ladenburg Warrants \| Strike price
Warrants
Warrants - Measurement input			18.90
Securities purchase agreement \| March 2019 Ladenburg Warrants \| Expected life
Warrants
Term of warrant			5 years
Securities purchase agreement \| March 2019 Ladenburg Warrants \| Volatility
Warrants
Warrants - Measurement input			146
Securities purchase agreement \| March 2019 Ladenburg Warrants \| Risk free rate
Warrants
Warrants - Measurement input			2.21