Fair Value of Financial Instruments - Summary of Fair Values Determined Using Black-Scholes Option-Pricing Model (Details)	Dec. 31, 2021	Dec. 31, 2020
Expected Volatility \| Minimum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and Rights Outstanding, Measurement Input	78.86	78.57
Expected Volatility \| Maximum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and Rights Outstanding, Measurement Input	87.02	81.37
Expected Volatility \| Weighted Average
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and Rights Outstanding, Measurement Input	83.73	79.91
Dividend Yield
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and Rights Outstanding, Measurement Input	0.00	0.00
Risk-Free Interest Rates \| Minimum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and Rights Outstanding, Measurement Input	0.30	0.17
Risk-Free Interest Rates \| Maximum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and Rights Outstanding, Measurement Input	1.25	0.81
Risk-Free Interest Rates \| Weighted Average
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and Rights Outstanding, Measurement Input	1.07	0.65
Expected Term \| Minimum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and rights outstanding, term	2 years 4 months 6 days	3 years
Expected Term \| Maximum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and rights outstanding, term	10 years	8 years 9 months 7 days
Expected Term \| Weighted Average
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrants and rights outstanding, term	8 years 7 days	7 years 3 months 3 days

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.

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=123874694&loc=d3e19207-110258

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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=123874694&loc=d3e19207-110258

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