Business Overview (Details)	Sep. 30, 2015 item
Business Overview
Number of fully-owned late-stage clinical assets	2
Number of phase 3 plecanatide clinical trials for CIC	2
Number of phase 3 plecanatide clinical trials for IBS-C	2

Number of fully-owned late-stage clinical assets discovered and being developed by the entity.

No definition available.

Name:	sgyp_NumberOfClinicalAssets
Namespace Prefix:	sgyp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant