Note 6 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Fair Value Measurement Using
	Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Fair Value Measurement
December 31, 2014
Derivative Instrument
Interest rate swap, net liability*	$	-	$	9,895	$	-	$	-
December 31, 2013
Derivative Instrument
Interest rate swap, net asset*	$	-	$	6,650	$	-	$	6,650