XML 63 R64.htm IDEA: XBRL DOCUMENT v2.4.0.6
Gain on Sale of Investment (Details Textual) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2008
Gain on Sale of Investment (Textual) [Abstract]    
Carrying value of investment $ 0 $ 0
Proceeds from sale of investment $ 5,300,000