Note 5 - Net Sales - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net sales	$ 159,359	$ 92,270	$ 253,604	$ 178,822
Intersegment Eliminations [Member]
Net sales	(1,290)	(1,212)	(2,525)	(2,297)
Uniforms and Related Products [Member]
Net sales	75,842	60,745	135,944	119,424
Uniforms and Related Products [Member] | Uniform and Related Product [Member]
Net sales	66,977	59,945	125,612	117,192
Uniforms and Related Products [Member] | Personal Protective Equipment [Member]
Net sales	8,865	800	10,332	2,232
Remote Staffing Solutions [Member]
Net sales	8,061	7,781	16,026	15,295
Remote Staffing Solutions [Member] | Intersegment Eliminations [Member]
Net sales	(1,290)	(1,212)	(2,525)	(2,297)
Remote Staffing Solutions [Member] | Remote Staffing Solutions Services [Member]
Net sales	9,351	8,993	18,551	17,592
Promotional Products [Member]
Net sales	75,456	23,744	101,634	44,103
Promotional Products [Member] | Personal Protective Equipment [Member]
Net sales	49,684	0	49,684	0
Promotional Products [Member] | Promotional Product [Member]
Net sales	$ 25,772	$ 23,744	$ 51,950	$ 44,103