Note 5 - Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2016			2015		2016			2015
Service cost	$	-		$	-	$	-		$	3,116
Interest cost		1,185			-		3,554			4,448
Expected return on plan assets		(1,298	)		-		(3,892	)		(5,114	)
Loss amortization		153			-		458			1,740
Net periodic benefit cost	$	40		$	-	$	120		$	4,190