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Fair Value Measurements - Summary Of Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques (Detail) - Series B Four Warrant [Member] - Warrant [Member] - Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2020 yr
Measurement Input, Price Volatility [Member]
Derivative Liability, Measurement Input	0.5135
Measurement Input, Risk Free Interest Rate [Member]
Derivative Liability, Measurement Input	0.0009
Measurement Input, Expected Term [Member]
Derivative Liability, Measurement Input	0.62
Measurement Input Fair Value Of The Underlying Preferred Shares [Member]
Derivative Liability, Measurement Input	6.50
Measurement Input Warrant Fair Value [Member]
Derivative Liability, Measurement Input	118.58

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- Definition

Value of input used to measure derivative liability.

+ 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

+ Details

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