Organization (Details Textual)	Dec. 31, 2014	Dec. 31, 2013
Nature of Operations [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	98.06%	97.72%

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant