Note 2 - Discontinued Operation and Assets and Liabilities Related to Discontinued Operation (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Aug. 01, 2023
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (111,000)	$ (7,240,000)
Ontario Knife Company [Member]
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	111,000
Ontario Knife Company [Member] | Discontinued Operations, Held-for-Sale [Member]
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	(111,000)	(2,052,000)
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	1,428,000	1,428,000
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	0	(3,162,000)
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	(0)	2,026,000
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(111,000)	(7,240,000)
Ontario Knife Company [Member] | Discontinued Operations, Held-for-Sale [Member] | Consumer Products Group [Member]
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	(2,052,000)
Disposal Group, Including Discontinued Operation, Consideration			$ 2,158,000
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	(3,162,000)
Impairment of Long-Lived Assets to be Disposed of	1,219,000
Disposal Group, Including Discontinued Operation, Divestiture Costs	807,000
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	(2,026,000)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (111,000)	$ (7,240,000)