Subsequent Event (Details) (Subsequent Event [Member])	1 Months Ended
Apr. 27, 2013
Subsequent Event [Member]
Subsequent Event Textual [Abstract]
Common stock issued to Intrexon in consideration for Channel Agreement	1,034,483
Percentage of issued and outstanding common stock	8.50%

Number of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.

No definition available.

Name:	us-gaap_StockIssuedDuringPeriodSharesOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration