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Stockholders' Equity
6 Months Ended
Jun. 30, 2011
Stockholders' Equity Note [Abstract]  
Stockholders' Equity Note Disclosure [Text Block]
10.           Stockholders' Equity
 
Series A shareholders are entitled to receive cash dividends and/or liquidation proceeds equal, in the aggregate, to $1.00 per share before any cash dividends are paid on the common stock or any other series of preferred stock.  When the entire Series A dividend and/or liquidation proceeds have been paid, the Series A shares are automatically canceled and will cease to be outstanding.  Only a complete corporate dissolution will cause a liquidation preference to be paid.