Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Net sales	$ 182,088	$ 164,003
Cutting, Sharpening and Measuring
Net sales	90,868	84,082
First Aid and Safety
Net sales	91,220	79,921
United States
Net sales	152,475	140,191
United States | Cutting, Sharpening and Measuring
Net sales	69,520	65,805
United States | First Aid and Safety
Net sales	82,955	74,386
Europe
Net sales	15,272	12,826
Europe | Cutting, Sharpening and Measuring
Net sales	14,019	11,843
Europe | First Aid and Safety
Net sales	1,253	983
Canada
Net sales	14,341	10,986
Canada | Cutting, Sharpening and Measuring
Net sales	7,329	6,434
Canada | First Aid and Safety
Net sales	$ 7,012	$ 4,552