Note 9 - Derivative Instruments and Fair Value Measurements (Details) - Effect of Derivative Instruments on Statement of Operations (Interest Rate Swap [Member], Designated as Hedging Instrument [Member], USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments
Interest rate swaps	$ (657,812)	$ (2,302,273)