Note 5 - Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Long-term Debt Instruments [Table Text Block]

	2017			2018
	(In thousands)
Senior secured credit facility	$	84,000		$	180,000
Real estate lien note		3,616			3,358
		87,616			183,358
Less current maturities		(262	)		(267	)
Total	$	87,354		$	183,091

Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]

Years ending December 31, (In thousands)
2019	$	267
2020		280
2021		180,295
2022		310
2023		2,206
Thereafter		-
Total	$	183,358