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Related-Party Transactions - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Related Party Transaction [Line Items]
Percentage of related-party revenue	39.00%	38.00%
Sanofi [Member]
Related Party Transaction [Line Items]
Ownership percentage of a related party in a customer of the company	100.00%

X

- Definition

Ownership percentage of a related party in a customer of the company

+ References

No definition available.

+ Details

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

X

- Definition

Percentage of related party revenue.

+ References

No definition available.

+ Details

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

X

- Details

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