Note 14 - Net Sales - Disaggregated Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net sales	$ 526,697	$ 376,701	$ 346,350
Intersegment Eliminations [Member]
Net sales	(5,157)	(4,854)	(4,039)
Uniforms and Related Products [Member]
Net sales	287,333	237,554	238,165
Uniforms and Related Products [Member] | Uniform and Related Product [Member]
Net sales	238,869	233,657	234,417
Uniforms and Related Products [Member] | Protective Equipment [Member]
Net sales	48,464	3,897	3,748
Remote Staffing Solutions [Member]
Net sales	37,208	31,636	27,272
Remote Staffing Solutions [Member] | Intersegment Eliminations [Member]
Net sales	(5,157)	(4,854)	(4,039)
Remote Staffing Solutions [Member] | Remote Staffing Solutions Services [Member]
Net sales	42,365	36,490	31,311
Promotional Products [Member]
Net sales	202,156	107,511	80,913
Promotional Products [Member] | Protective Equipment [Member]
Net sales	82,715	0	0
Promotional Products [Member] | Promotional Product [Member]
Net sales	$ 119,441	$ 107,511	$ 80,913