Fair value per share of warrants at new exercise price.

No definition available.

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- Definition

Fair value per share of warrants at previous exercise price.

+ References

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

Number of warrants or rights outstanding.

+ References

No definition available.

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 230
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- Definition

Amount of (increase) decrease in equity for down round feature triggered for warrant classified as equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 260
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-Topic 260
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Warrants - Summary of Deemed Dividends (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jan. 31, 2020
Class Of Warrant Or Right [Line Items]
Deemed dividend	$ (670,632)	$ (797,637)
Roth 2017 Warrants [Member]
Class Of Warrant Or Right [Line Items]
Warrants outstanding	21,361		118,696
Roth 2017 Warrants [Member] \| February 2020 Offering [Member]
Class Of Warrant Or Right [Line Items]
Fair value per share of warrants at new exercise price	$ 7.00
Fair value per share of warrants at previous exercise price	1.35
Dividend per share	$ 5.65
Warrants outstanding	118,696
Deemed dividend	$ 670,632
Roth 2017 Warrants [Member] \| February 2019 Offering (Revised) [Member]
Class Of Warrant Or Right [Line Items]
Fair value per share of warrants at new exercise price	$ 25.19
Fair value per share of warrants at previous exercise price	18.47
Dividend per share	$ 6.72
Warrants outstanding	118,696
Deemed dividend	$ 797,637