Note 8 - Accrued Liabilities (Detail) - Accrued Liabilities (USD $)	Dec. 31, 2012	Dec. 31, 2011
Interest on long-term debt	$ 1,295,929	$ 1,377,794
Administrative expenses	306,058	419,027
Vessel operating and voyage expenses	1,253,183	2,952,341
Total	$ 2,855,170	$ 4,749,162

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details