XML 23 R61.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 14 - Voyage, Vessel Operating Expenses and Commissions (Detail) - Commission Consisted of Commissions Charged (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Commissions $ 2,673,703 $ 2,972,967 $ 1,944,473
Third Parties (Member)
     
Commissions 2,032,599 2,206,663 1,331,475
Related Parties (Member)
     
Commissions $ 641,104 $ 766,304 $ 612,998