Note 4 - Fair Value Measurements and Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

	June 30, 2018								December 31, 2017
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Other assets:
Interest rate swaps	$	805	$	-	$	805	$	-	$	515	$	-	$	515	$	-

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

		Notional		Fair
	Balance Sheet Location	Amount		Value
At June 30, 2018:
Interest rate swaps	Other assets	$	90,000	$	805
At December 31, 2017:
Interest rate swaps	Other assets	$	90,000	$	515

Derivative Instruments, Gain (Loss) [Table Text Block]

	Three Months Ended					Six Months Ended
	June 30,					June 30,
	2018		2017			2018		2017
Gain recognized in accumulated other comprehensive loss	$	107	$	131		$	412	$	156
Gain (loss) reclassified from accumulated other comprehensive loss		97		(24	)		122		(49	)