Number of promissory notes issued.

No definition available.

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- Definition

The cash outflow for the accrued interest of a borrowing supported by a written promise to pay an obligation.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for the principal amount of a borrowing supported by a written promise to pay an obligation.

+ References

No definition available.

+ Details

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- Definition

Represents the warrant coverage percentage.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from a borrowing supported by a written promise to pay an obligation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
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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

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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Debt - 2019 Bridge Notes (Details)		4 Months Ended	12 Months Ended
Debt - 2019 Bridge Notes (Details)	Jul. 23, 2020 USD ($) NotesSeries	Jun. 30, 2019 USD ($) NotesSeries	Dec. 31, 2019 USD ($)	Dec. 31, 2020 USD ($) Y $ / shares
Net cash proceeds			$ 5,050,000
Twenty One Bridge Notes Warrants
Fair value of warrants				$ 5,000,000
2019 Bridge Notes
Number of promissory notes issued \| NotesSeries	21	21
Net cash proceeds		$ 5,000,000
Interest rate (as a percent)		12.00%
Repayments of Debt	$ 5,200,000
Principal amount pertaining to repayment of Notes payable	5,000,000
Accrued Interest pertaining to repayment of Notes payable	143,000
Extinguishment loss on repayment of Notes	$ 336,000
2019 Bridge Notes \| Expected life
Warrants - Measurement input \| Y				5.0
2019 Bridge Notes \| Minimum \| Stock price
Warrants - Measurement input \| $ / shares				4.84
2019 Bridge Notes \| Minimum \| Strike price
Warrants - Measurement input \| $ / shares				4.84
2019 Bridge Notes \| Minimum \| Volatilities
Warrants - Measurement input				145.60
2019 Bridge Notes \| Minimum \| Risk free rate
Warrants - Measurement input				1.76
2019 Bridge Notes \| Maximum \| Stock price
Warrants - Measurement input \| $ / shares				32.90
2019 Bridge Notes \| Maximum \| Strike price
Warrants - Measurement input \| $ / shares				32.90
2019 Bridge Notes \| Maximum \| Volatilities
Warrants - Measurement input				145.72
2019 Bridge Notes \| Maximum \| Risk free rate
Warrants - Measurement input				2.23
Fourteen Promissory Notes [Member]
Number of promissory notes issued \| NotesSeries		14
Principal amount		$ 3,600,000
Warrant coverage percentage		125.00%
Seven Promissory Notes [Member]
Number of promissory notes issued \| NotesSeries		7
Principal amount		$ 1,500,000
Warrant coverage percentage		75.00%