Note 13 - Intermittent Severance Plan (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Service cost	$	15		$	16		$	30		$	33
Interest cost		18			17			36			33
Expected return on plan assets		(18	)		(16	)		(36	)		(33	)
Amortization of net actuarial loss and prior service cost		-			2			-			5
Net periodic pension cost	$	15		$	19		$	30		$	38

Intermittent Severance Plan [Member]

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Intermittent Severance Plan Cost
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Service cost	$	4	$	4	$	8	$	8
Interest Cost		3		3		7		7
Net periodic intermittent severance cost	$	7	$	7	$	15	$	15