Employee Benefit Plan - Additional Information (Detail) $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($) hour	Dec. 31, 2020 USD ($)
Compensation And Retirement Disclosure [Abstract]
Work hours per week \| hour	20
Employer matching percent	50.00%
Maximum percentage of contributions per employee	6.00%
Vesting period	4 years
Contribution amount \| $	$ 0.1	$ 0.1

Defined contribution plan, employers matching contribution, vesting period.

No definition available.

Name:	scyx_DefinedContributionPlanEmployersMatchingContributionVestingPeriod
Namespace Prefix:	scyx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Defined contribution plan, minimum required work hours per week.

No definition available.

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

No definition available.

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

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage employer matches of the employee's percentage contribution matched.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration