Subsequent Event (Details Textual)	Aug. 06, 2012
Common Stock Agreed To Be Issued During Period	3,552,210
Percentage Of Number Of Shares Outstanding Prior To Issuance Of Shares (Issued and to be Issued to Intrexon Corporation)	19.99%

The percentage of the number of common shares of Company outstanding as of the date of the closing prior to the issuance of such shares.

No definition available.

Name:	syn_PercentageOfNumberOfSharesOutstandingPriorToIssuanceOfShares
Namespace Prefix:	syn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant