Basis of Presentation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended		0 Months Ended
Sep. 30, 2014	Feb. 18, 2014 Spin-off ContraVir Subsidiary	Feb. 18, 2014 ContraVir Subsidiary	Feb. 18, 2014 ContraVir Subsidiary Spin-off
Basis of presentation
ContraVir shares distributed for each Synergy common stock share held			0.0986
Net assets		$ 1,740
Elimination of noncontrolling interest of ContraVir upon distribution	$ 1,622			$ 1,600

Represents the number of shares of subsidiary distributed to entity's shareholders for each share of the entity's common stock held by the entity's stockholders.

No definition available.

Name:	sgyp_DividendDistributedNumberOfSharesOfSubsidiaryDistributedForEachShareOfCommonStockHeldByStockholdersOfEntity
Namespace Prefix:	sgyp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration