Note 18 - COVID-19 (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 526,697	$ 376,701	$ 346,350
Promotional Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	202,156	107,511	80,913
Promotional Products [Member] | Personal Protective Equipment [Member] | Covid-19 [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	82,700
Uniforms and Related Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	287,333	$ 237,554	$ 238,165
Uniforms and Related Products [Member] | Personal Protective Equipment [Member] | Covid-19 [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 44,600