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SUBSEQUENT EVENT (Details Textual) (USD $)
In Millions, unless otherwise specified
1 Months Ended 12 Months Ended 1 Months Ended
Jan. 31, 2013
Mar. 02, 2013
acre
Apr. 30, 2013
Southfield Michigan Property [Member]
acre
Area of Land   43,000 60,000
Proceeds from Sale of Buildings $ 0.3 $ 5.5 $ 2.5