Note 17 - Supplemental Disclosure of Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Year Ended December 31,
	2020		2019		2018
	(Dollars in thousands)
Supplemental disclosures of cash flow information
Interest paid, net of amounts capitalized	$	5,246	$	—	$	—
Income taxes paid	$	—	$	270	$	7,110