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Other Accrued Liabilities (Tables)
 12 Months Ended
Dec. 31, 2012
Other Accrued Liabilities [Abstract]  
Schedule of Accrued Liabilities [Table Text Block]

Other accrued liabilities consist of:

    December 31, 2012     December 31, 2011  
Vessel   $ 9,419,279     $ 8,045,357  
Other Expenses     4,910,862       3,777,225  
Balance   $ 14,330,141     $ 11,822,582