Note 17 - Equity Programs (Details Textual) $ in Millions		12 Months Ended
	Oct. 02, 2015 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 shares	Sep. 03, 2021 USD ($)
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares) | shares	550,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased (in shares) | shares		360,212
Treasury Stock, Shares, Acquired (in shares) | shares		0	0
At-the-Market Equity Program [Member]
Stock Issuance Program, Authorized Amount | $				$ 50.0
Stock Issuance Program, Gross Proceeds, Percent				2.00%
Stock Issued During Period, Shares, New Issues (in shares) | shares		0	0
ABL Credit Facility [Member]
Unrestricted Common Stock Purchases, Maximum, Value | $	$ 15.0
ABL Credit Facility [Member] | Stock Repurchases Value Exceeds 5.0 Million, Option 1 [Member] | Minimum [Member]
Line of Credit Facility Covenant Terms Percentage of Revolver Commitments	20.00%
Balance Required for Compliance with Revolver Commitments | $		$ 125.0
ABL Credit Facility [Member] | Stock Repurchases Value Exceeds 5.0 Million, Option 2 [Member] | Minimum [Member]
Line of Credit Facility Covenant Terms Percentage of Revolver Commitments	15.00%
Balance Required for Compliance with Revolver Commitments | $		$ 93.8
Line of Credit Facility Covenant Terms EBITDA Ratio	1