Note 11 - Post-retirement Obligations (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block]

	(Amounts in thousands)
	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2020		2019			2020		2019
Beginning balance	$	774	$	815		$	745	$	831
Expense recorded		9		(13	)		27		(15	)
Other comprehensive loss (income) recorded		18		(7	)		29		(21	)
Ending balance	$	801	$	795		$	801	$	795