Litigation (Details Textual) (USD $)	1 Months Ended
Mar. 31, 2011	Mar. 31, 2011 Pending Litigation [Member]	Dec. 31, 2010 Each Cause Of Actions [Member]
Litigation Settlement, Gross		$ 150,000	$ 1,000,000
Loss Contingency Numberof Causesof Actions Against Defendants	9

This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.

No definition available.

Name:	us-gaap_LitigationSettlementGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration