Note 7 - Defined Benefit Plan (Tables)

6 Months Ended

Jun. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	Pension Benefits
	Six Months Ended June 30,
	2014			2013
Service cost	$	262		$	298
Interest cost		332			308
Expected return on plan assets		(556	)		(492	)
Amortization of prior service cost		(54	)		(50	)
Recognized net actuarial loss		130			266
Net periodic benefit cost	$	114		$	330