Note 10 - Long-term Debt - Debt Facility Information (Details)			6 Months Ended
		Mar. 15, 2021	Jun. 30, 2021
London Interbank Offered Rate (LIBOR) [Member] | The ABL Facility [Member]
Variable rate			1.63%
Commitments Above 66.7% [Member] | Base Rate [Member] | The ABL Facility [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	0.00%
Commitments Above 66.7% [Member] | Base Rate [Member] | The ABL Facility FILO Borrowings [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	0.50%
Commitments Above 66.7% [Member] | London Interbank Offered Rate (LIBOR) [Member] | The ABL Facility [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	1.25%
Commitments Above 66.7% [Member] | London Interbank Offered Rate (LIBOR) [Member] | The ABL Facility FILO Borrowings [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	1.75%
Commitmeents Between 33.3% and 66.7% [Member] | Base Rate [Member] | The ABL Facility [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	0.00%
Commitmeents Between 33.3% and 66.7% [Member] | Base Rate [Member] | The ABL Facility FILO Borrowings [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	0.50%
Commitmeents Between 33.3% and 66.7% [Member] | London Interbank Offered Rate (LIBOR) [Member] | The ABL Facility [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	1.50%
Commitmeents Between 33.3% and 66.7% [Member] | London Interbank Offered Rate (LIBOR) [Member] | The ABL Facility FILO Borrowings [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	2.00%
Commitments Below 33.3% [Member] | Base Rate [Member] | The ABL Facility [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	0.25%
Commitments Below 33.3% [Member] | Base Rate [Member] | The ABL Facility FILO Borrowings [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	0.75%
Commitments Below 33.3% [Member] | London Interbank Offered Rate (LIBOR) [Member] | The ABL Facility [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	1.75%
Commitments Below 33.3% [Member] | London Interbank Offered Rate (LIBOR) [Member] | The ABL Facility FILO Borrowings [Member] | Revolving Credit Facility [Member]
Variable rate	[1]	2.25%

[1] Until June 30, 2021, Tier II shall apply.