Note 7 - Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	2021			2020
	(in thousands)
Line of credit with a bank—due July 1, 2024, and collateralized by accounts receivable (1)		-			18,246
Equipment financing (2)		206,539			250,572
Real estate financing (3)		15,738			17,288
Total long-term debt		222,277			286,106
Less current maturities		(49,544	)		(57,776	)
Long-term debt—net of current maturities	$	172,733		$	228,330

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

2022	$	49,544
2023		47,915
2024		50,534
2025		40,766
2026		21,805
Thereafter		11,713
Total	$	222,277