Note 10 - Operating Segment Information - Information Related to the Operations of the Company's Operating Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Net sales	$ 143,582	$ 140,847
Cost of goods sold	93,801	91,804
Gross margin	49,781	49,043
Selling and administrative expenses	42,214	35,111
Other periodic pension cost	528	429
Interest expense	299	275
Income before taxes on income	6,740	13,228
Depreciation and amortization	2,923	2,217
Capital expenditures	4,188	6,736
Total assets	485,368	415,023	$ 470,245
Intersegment Eliminations [Member]
Net sales	(2,043)	(1,625)
Cost of goods sold	(912)	(688)
Gross margin	(1,131)	(937)
Selling and administrative expenses	(1,131)	(937)
Other periodic pension cost	0	0
Interest expense	0	0
Income before taxes on income	0	0
Depreciation and amortization	0	0
Capital expenditures	0	0
Total assets	0	0
Uniforms and Related Products [Member]
Net sales	62,216	70,568
Uniforms and Related Products [Member] | Operating Segments [Member]
Net sales	62,216	70,568
Cost of goods sold	41,652	46,725
Gross margin	20,564	23,843
Selling and administrative expenses	21,317	20,382
Other periodic pension cost	528	429
Interest expense	244	261
Income before taxes on income	(1,525)	2,771
Depreciation and amortization	1,843	1,433
Capital expenditures	1,947	6,176
Total assets	304,752	286,183
Remote Staffing Solutions [Member]
Net sales	15,930	11,405
Remote Staffing Solutions [Member] | Operating Segments [Member]
Net sales	17,973	13,030
Cost of goods sold	7,292	5,309
Gross margin	10,681	7,721
Selling and administrative expenses	6,372	4,722
Other periodic pension cost	0	0
Interest expense	0	0
Income before taxes on income	4,309	2,999
Depreciation and amortization	495	294
Capital expenditures	1,931	407
Total assets	33,429	23,090
Remote Staffing Solutions [Member] | Intersegment Eliminations [Member]
Net sales	(2,043)	(1,625)
Promotional Products [Member]
Net sales	65,436	58,874
Promotional Products [Member] | Operating Segments [Member]
Net sales	65,436	58,874
Cost of goods sold	45,769	40,458
Gross margin	19,667	18,416
Selling and administrative expenses	15,656	10,944
Other periodic pension cost	0	0
Interest expense	55	14
Income before taxes on income	3,956	7,458
Depreciation and amortization	585	490
Capital expenditures	310	153
Total assets	$ 147,187	$ 105,750