Quarterly report pursuant to Section 13 or 15(d)

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%