Note 7 - Defined Benefit Plan (Tables)

6 Months Ended

Jun. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	Pension Benefits
	Six Months Ended June 30,
	2013			2012
Service cost	$	298		$	234
Interest cost		308			370
Expected return on plan assets		(492	)		(538	)
Amortization of prior service cost		(50	)		(50	)
Recognized net actuarial loss		266			254
Net Periodic Benefit Cost	$	330		$	270