Subsequent Events (Details Textual) (USD $)	Apr. 19, 2013
Business Acquisition, Share Price	$ 7.75

For an acquired entity, price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant