Note 5 - Derivative Instruments and Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2014

Disclosure Text Block [Abstract]

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

	Effective Portion of Loss Reclassified from Accumulated Other Comprehensive Loss
		Three Months Ended
	Location of Gain (Loss) Recognized	March 31, 2014		March 31, 2013
Derivatives designated as hedging instruments:
Interest rate swaps	Interest expense	$	—	$	(868,289	)

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

	March 31, 2014						December 31, 2013
	Level 1		Level 2		Level 3		Level 1		Level 2	Level 3
Assets:
Investment	$	11,715,793		—		—	$	13,817,439			—