Note 8 - Other Accrued Liabilities - Other Accrued Liabilites (Details) - Successor [Member] - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Other accrued liabilities	$ 11,545,447	$ 10,827,075
Vessel and Voyage [Member]
Other accrued liabilities	6,986,486	8,901,904
General and Administrative Expense [Member]
Other accrued liabilities	3,446,113	1,347,951
Other Expense [Member]
Other accrued liabilities	$ 1,112,848	$ 577,220