Subsequent Event (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended
Jul. 31, 2012	Jul. 20, 2012
Subsequent Event (Textual) [Abstract]
Proceeds from rights offering	$ 2.2
Subsequent Event [Member]
Subsequent Event (Textual) [Abstract]
Maximum number of shares offered		7,250,000
Offering price		$ 0.33
Proceeds from rights offering	$ 2.2

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section H

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