Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net sales	$ 49,744	$ 47,923	$ 149,849	$ 136,295
Cutting, Sharpening and Measuring
Net sales	22,525	23,564	70,710	66,349
First Aid and Medical
Net sales	27,219	24,359	79,139	69,946
United States
Net sales	42,943	41,060	127,589	113,948
United States | Cutting, Sharpening and Measuring
Net sales	17,934	18,769	55,221	50,507
United States | First Aid and Medical
Net sales	25,009	22,291	72,368	63,441
Canada
Net sales	3,629	3,585	11,120	10,907
Canada | Cutting, Sharpening and Measuring
Net sales	1,799	1,932	5,584	5,571
Canada | First Aid and Medical
Net sales	1,830	1,653	5,536	5,336
Europe
Net sales	3,172	3,278	11,140	11,440
Europe | Cutting, Sharpening and Measuring
Net sales	2,792	2,863	9,905	10,271
Europe | First Aid and Medical
Net sales	$ 380	$ 415	$ 1,235	$ 1,169