Note 5 - Net Sales - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net sales	$ 127,737	$ 89,466	$ 381,341	$ 268,288
Intersegment Eliminations [Member]
Net sales	(1,309)	(1,278)	(3,834)	(3,575)
Uniforms and Related Products [Member]
Net sales	73,234	54,979	209,178	174,403
Uniforms and Related Products [Member] | Uniform and Related Product [Member]
Net sales	59,296	54,155	184,909	171,347
Uniforms and Related Products [Member] | Personal Protective Equipment [Member]
Net sales	13,938	824	24,269	3,056
Remote Staffing Solutions [Member]
Net sales	10,327	8,027	26,353	23,322
Remote Staffing Solutions [Member] | Intersegment Eliminations [Member]
Net sales	(1,309)	(1,278)	(3,834)	(3,575)
Remote Staffing Solutions [Member] | Remote Staffing Solutions Services [Member]
Net sales	11,636	9,305	30,187	26,897
Promotional Products [Member]
Net sales	44,176	26,460	145,810	70,563
Promotional Products [Member] | Personal Protective Equipment [Member]
Net sales	19,407	0	69,091	0
Promotional Products [Member] | Promotional Product [Member]
Net sales	$ 24,769	$ 26,460	$ 76,719	$ 70,563