Note 13 - Intermittent Severance Plan (Tables)

3 Months Ended

Mar. 31, 2016

Intermittent Severance Plan [Member]

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Intermittent Severance Plan Cost
	Three Months Ended March 31,
	2016		2015
Service cost	$	4	$	5
Interest Cost		3		4
Net periodic intermittent severance cost	$	7	$	9

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended March 31,
	2016			2015
Service cost	$	16		$	17
Interest cost		17			15
Expected return on plan assets		(16	)		(17	)
Amortization of net actuarial loss and prior service cost		2			2
Net periodic pension cost	$	19		$	17