Debt instrument maximum additional borrowing capacity amount.

No definition available.

Name:	scyx_DebtInstrumentMaximumAdditionalBorrowingCapacityAmount
Namespace Prefix:	scyx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt instrument minimum outstanding term loan principal percentage for financial covenant waived.

+ References

No definition available.

+ Details

Name:	scyx_DebtInstrumentMinimumOutstandingTermLoanPrincipalPercentageForFinancialCovenantWaived
Namespace Prefix:	scyx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Increment debt amount.

+ References

No definition available.

+ Details

Name:	scyx_IncrementDebtAmount
Namespace Prefix:	scyx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum multiplier for amount of shares to be purchased.

+ References

No definition available.

+ Details

Name:	scyx_MaximumMultiplierForAmountOfSharesToBePurchased
Namespace Prefix:	scyx_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of available tranches

+ References

No definition available.

+ Details

Name:	scyx_NumberOfAvailableTranches
Namespace Prefix:	scyx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Selling value of unused net operating losses and research And development credit.

+ References

No definition available.

+ Details

Name:	scyx_SellingValueOfUnusedNetOperatingLossesAndResearchAndDevelopmentCredit
Namespace Prefix:	scyx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Face amount or stated value per share of common stock.

+ 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(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: 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

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

+ 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)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=scyx_SiliconValleyBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=scyx_LoanAndSecurityAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=scyx_HerculesCapitalIncorporatedAndSiliconValleyBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=scyx_TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=scyx_InitialTrancheOfTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=scyx_ThirdTrancheOfTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=scyx_FourthTrancheOfTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=stpr_NJ
Namespace Prefix:
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Subsequent Events - Additional Information (Details)	1 Months Ended
Subsequent Events - Additional Information (Details)	May 31, 2021 USD ($) Tranche $ / shares	Mar. 31, 2021 $ / shares	Dec. 31, 2020 $ / shares
Subsequent Event [Line Items]
Common stock, par value (in dollars per share) \| $ / shares		$ 0.001	$ 0.001
Subsequent Event \| SVB
Subsequent Event [Line Items]
Minimum outstanding term loan principal percentage for financial covenant waived	50.00%
Subsequent Event \| Loan and Security Agreement \| Hercules Capital Inc. and Silicon Valley Bank
Subsequent Event [Line Items]
Common stock, par value (in dollars per share) \| $ / shares	$ 0.001
Multiplier value by aggregate amount of the term loan advances divided by exercise price of warrants to calculate number of shares for purchase	0.04
Subsequent Event \| Loan and Security Agreement \| Term Loan
Subsequent Event [Line Items]
Notes maturity date	Mar. 03, 2025
Basis spread on variable rate (as a percent)	9.05%
Debt instrument maturity date subject to occurrence of certain conditions	May 01, 2025
Subsequent Event \| Loan and Security Agreement \| Term Loan \| Prime Rate
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)	5.80%
Subsequent Event \| Loan and Security Agreement \| Term Loan \| Hercules Capital Inc. and Silicon Valley Bank
Subsequent Event [Line Items]
Face amount	$ 60,000,000.0
Number of available tranches \| Tranche	4
Subsequent Event \| Loan and Security Agreement \| Initial Tranche of Term Loan
Subsequent Event [Line Items]
Additional borrowing amount available	$ 20,000,000.0
Subsequent Event \| Loan and Security Agreement \| Second Tranche of Term Loan
Subsequent Event [Line Items]
Additional borrowing amount available	10,000,000.0
Subsequent Event \| Loan and Security Agreement \| Third Tranche of Term Loan
Subsequent Event [Line Items]
Additional borrowing amount available	5,000,000.0
Subsequent Event \| Loan and Security Agreement \| Fourth Tranche of Term Loan
Subsequent Event [Line Items]
Additional borrowing amount available	25,000,000.0
Increment debt amount	5,000,000.0
Subsequent Event \| New Jersey
Subsequent Event [Line Items]
Selling value of unused net operating losses and research and development credit	$ 4,200,000