Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net sales	$ 56,773	$ 44,847	$ 100,106	$ 88,372
Cutting, Sharpening and Measuring
Net sales	27,701	21,930	48,185	42,786
First Aid and Medical
Net sales	29,072	22,917	51,921	45,586
United States
Net sales	48,905	36,840	84,646	72,888
United States | Cutting, Sharpening and Measuring
Net sales	21,954	16,162	37,287	31,726
United States | First Aid and Medical
Net sales	26,951	20,678	47,359	41,162
Canada
Net sales	3,876	3,990	7,491	7,323
Canada | Cutting, Sharpening and Measuring
Net sales	2,192	2,091	3,785	3,640
Canada | First Aid and Medical
Net sales	1,684	1,899	3,706	3,683
Europe
Net sales	3,992	4,017	7,969	8,161
Europe | Cutting, Sharpening and Measuring
Net sales	3,555	3,677	7,113	7,420
Europe | First Aid and Medical
Net sales	$ 437	$ 340	$ 856	$ 741