Value of input used to measure derivative liability.

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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Balance Type:	na
Period Type:	instant

- 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.

+ Details

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Balance Type:	na
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- Definition

Value of input used to measure long-term debt.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Expiration date 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 YYYY-MM-DD format.

+ 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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Period Type:	instant

- 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

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

- 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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=scyx_SixPercentConvertibleSeniorNotesDueTwoThousandAndTwentyFiveMember
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Fair Value Measurements - Additional Information (Detail) - Level 3 Inputs	Dec. 31, 2021	Dec. 31, 2020
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrant liabilities, maturity date	Jun. 12, 2023
Stock Price Volatility
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative liabilities, unobservable inputs rate	65.9
Stock Price Volatility \| Minimum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrant liabilities, stock price volatility rate	83.4
Stock Price Volatility \| Maximum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrant liabilities, stock price volatility rate	83.9
Stock Price Volatility \| Weighted Average
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrant liabilities, stock price volatility rate	83.7
Weighted Average Expected Term
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrant liabilities, expected term	1 year 2 months 12 days
Weighted Average Expected Term \| Minimum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrant liabilities, expected term		10 months 24 days
Weighted Average Expected Term \| Maximum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Warrant liabilities, expected term		2 years 6 months
Secured Spread
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative liabilities, unobservable inputs rate	1,395
Estimated Yield
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative liabilities, unobservable inputs rate	15.0
Discounts for Lack of Marketability \| March 2019 Notes
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Senior convertible notes, unobservable inputs rate	6.7