Note 8 - Derivative Instruments and Fair Value Measurements (Details Textual)		3 Months Ended	12 Months Ended
	Oct. 15, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Vessels [Member] | Before Divesture [Member]
Property, Plant and Equipment, Net		$ 76,332,734	$ 76,332,734
Vessels [Member]
Impairment of Long-Lived Assets Held-for-use			$ 50,872,734
To Be Divested [member]
Number Of Vessels		6	6
Impairment of Long-Lived Assets Held-for-use	$ 842,625,000	$ 50,872,734
Number Of Vessels		44	44