Quarterly report pursuant to Section 13 or 15(d)

General (Details Textual)

v2.4.0.6
General (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
General (Textual) [Abstract]    
Non-controlling interest in subsidiaries $ 256 $ 345
Corporate Joint Venture [Member]
   
General (Textual) [Abstract]    
Non-controlling interest in subsidiaries $ 300 $ 300