Debt - Terms and Assumptions to Determine Fair Value of Warrants (Details)	Jul. 20, 2020 $ / shares	May 28, 2020 $ / shares	Apr. 06, 2020 $ / shares
Debt Instrument [Line Items]
Period warrants are exercisable	5 years		5 years
Stock price \| Warrant
Debt Instrument [Line Items]
Warrants, measurement input	2.45	4.03	2.70
Expected Life in Years \| Warrant
Debt Instrument [Line Items]
Period warrants are exercisable	5 years	4 years 10 months 9 days	5 years
Volatility \| Warrant
Debt Instrument [Line Items]
Warrants, measurement input	0.795	0.790	0.776
Discount Rate- Bond Equivalent Yield \| Warrant
Debt Instrument [Line Items]
Warrants, measurement input	0.003	0.003	0.004

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No definition available.

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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
-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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- 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.

+ 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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