Note 14 - Intermittent Severance Plan (Tables)

9 Months Ended

Sep. 30, 2015

Intermittent Severance Plan [Member]

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Intermittent Severance Plan Cost
	Three Months Ended September 30,				Nine Months Ended September 30,
	201 5		201 4		201 5		201 4
Service cost	$	5	$	4	$	15	$	13
Interest cost		3		4		9		12
Net periodic intermittent severance cost	$	8	$	8	$	24	$	25

Schedule of Net Benefit Costs [Table Text Block]

	Pension Cost
	Three Months Ended September 30,						Nine Months Ended September 30,
	201 5			201 4			201 5			201 4
Service cost	$	17		$	15		$	51		$	46
Interest cost		15			15			46			46
Expected return on assets		(17	)		(16	)		(51	)		(49	)
Amortization of net actuarial loss and prior service cost		2			2			5			5
Net periodic pension cost	$	17		$	16		$	51		$	48