Note 7 - Defined Benefit Plan (Tables)

9 Months Ended

Sep. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	Pension Benefits
	Nine Months Ended September 30,
	2013			2012
Service cost	$	447		$	351
Interest cost		462			555
Expected return on plan assets		(738	)		(807	)
Amortization of prior service cost		(75	)		(75	)
Recognized net actuarial loss		399			381
Net Periodic Benefit Cost	$	495		$	405