Parent, Guarantor, Non -Guarantor Unaudited Consolidating Condensed Financial Statements (Details Textual)

v2.4.0.6

Parent, Guarantor, Non -Guarantor Unaudited Consolidating Condensed Financial Statements (Details Textual)	6 Months Ended
	Jun. 30, 2012
Parent, Guarantor, Non Guarantor Unaudited Consolidating Condensed Financial Statements (Textual) [Abstract]
Percentage of guaranteed subsidiaries by the parent companies	100.00%