Note 9 - Derivative Instruments and Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Disclosure Text Block [Abstract]

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]

		Effective Portion of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss)
		Three Months Ended					Nine Months Ended
	Location  of Gain (Loss)  Recognized	September 30, 2014		September 30, 2013			September 30, 2014		September 30, 2013
Derivatives designated as hedging instruments
Interest rate swaps	Interest expense		—	$	(657,812	)		—	$	(2,302,273	)

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	September 30, 2014						December 31, 2013
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets:
Investment	$	13,375,151		—		—	$	13,817,439		—		—