Aggregate offering amount

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- Definition

Commission percentage rate

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No definition available.

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- References

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- Definition

Exercisable period of warrants.

+ References

No definition available.

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- Definition

Warrants to purchase of common stock during the 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 each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

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- 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

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Capital Raises (Details) - USD ($) $ / shares in Units, $ in Millions							3 Months Ended
	Feb. 16, 2021	Feb. 12, 2021	Feb. 11, 2021	Jan. 24, 2021	Jun. 19, 2020	Mar. 03, 2020	Mar. 31, 2021
Capital Raises (Textual)
Aggregate offering amount						$ 150.0
Common stock issued in direct offering (in shares)							4,977
Exercise price of warrants (in usd per share)							$ 0.001
Proceeds from warrant exercises	$ 18.5	$ 27.8		$ 27.8
Number of common shares sold under offering (in shares)			3,000,000
Purchase Warrants
Capital Raises (Textual)
Exercisable warrants per common share (in shares)	1	1		1
Maxim Warrant
Capital Raises (Textual)
Aggregate offering amount						$ 50.0
Commission percentage rate					3.25%	4.00%
Warrant
Capital Raises (Textual)
Warrants to purchase shares of common stock after adjustment	9,950,250	15,000,000		19,354,838
Exercise price of warrants (in usd per share)							$ 0.001
Warrant \| Purchase Warrants
Capital Raises (Textual)
Exercise price of warrants (in usd per share)	$ 2.01	$ 2.00		$ 1.55
Offering price (in usd per share)	$ 2.01	$ 2.00		$ 1.55
Warrant \| Registered Direct Offering
Capital Raises (Textual)
Common stock issued in direct offering (in shares)	3,000,000	7,000,000		5,800,000
January 2021 Pre-Funded Warrants
Capital Raises (Textual)
Warrants to purchase shares of common stock after adjustment				13,554,838
Exercise price of warrants (in usd per share)				$ 0.001
Offering price (in usd per share)				$ 1.549
Exercisable warrants per common share (in shares)				1
Warrants exercisable period				5 years
February 2021 Pre-Funded Warrants
Capital Raises (Textual)
Warrants to purchase shares of common stock after adjustment		8,000,000
Exercise price of warrants (in usd per share)		$ 0.001
Offering price (in usd per share)		$ 1.999
Exercisable warrants per common share (in shares)		1
Warrants exercisable period		5 years
Second February 2021 Pre-Funded Warrants
Capital Raises (Textual)
Warrants to purchase shares of common stock after adjustment	6,950,250
Exercise price of warrants (in usd per share)	$ 0.001
Offering price (in usd per share)	$ 2.009
Exercisable warrants per common share (in shares)	1
Warrants exercisable period	5 years