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Balance Sheet (Parentheticals) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Common Class A [Member]
  
Stockholders' Equity:  
Common stock, par value$ 0.01$ 0.01
Common stock, shares authorized75,00075,000
Common stock, shares issued50,11050,110
Common stock, shares outstanding50,11050,110
Common Class B [Member]
  
Stockholders' Equity:  
Common stock, par value$ 0.01$ 0.01
Common stock, shares authorized1,0001,000
Common stock, shares issued315315
Common stock, shares outstanding315315