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, 2020	Mar. 31, 2019		Dec. 31, 2019
Net sales	$ 94,245	$ 86,552
Cost of goods sold	60,794	56,284
Gross margin	33,451	30,268
Selling and administrative expenses	27,489	25,863
Other periodic pension cost	285	259
Interest expense	1,060	1,170
Income before taxes on income	4,617	2,976
Depreciation and amortization	1,869	2,060
Capital expenditures	2,073	1,723
Total assets	344,606	339,574	[1]	$ 358,933
Intersegment Eliminations [Member]
Net sales	(1,235)	(1,085)
Cost of goods sold	(465)	(370)
Gross margin	(770)	(715)
Selling and administrative expenses	(770)	(715)
Other periodic pension cost
Interest expense
Income before taxes on income
Depreciation and amortization
Capital expenditures
Total assets			[1]
Uniforms and Related Products [Member] | Operating Segments [Member]
Net sales	60,102	58,679
Cost of goods sold	38,672	38,361
Gross margin	21,430	20,318
Selling and administrative expenses	18,225	18,177
Other periodic pension cost	285	259
Interest expense	872	878
Income before taxes on income	2,048	1,004
Depreciation and amortization	1,310	1,488
Capital expenditures	1,852	1,158
Total assets	249,629	255,949	[1]
Remote Staffing Solutions [Member] | Operating Segments [Member]
Net sales	9,200	8,599
Cost of goods sold	3,988	3,560
Gross margin	5,212	5,039
Selling and administrative expenses	3,396	3,119
Other periodic pension cost
Interest expense
Income before taxes on income	1,816	1,920
Depreciation and amortization	217	256
Capital expenditures	166	409
Total assets	22,436	21,770	[1]
Promotional Products [Member] | Operating Segments [Member]
Net sales	26,178	20,359
Cost of goods sold	18,599	14,733
Gross margin	7,579	5,626
Selling and administrative expenses	6,638	5,282
Other periodic pension cost
Interest expense	188	292
Income before taxes on income	753	52
Depreciation and amortization	342	316
Capital expenditures	55	156
Total assets	$ 72,541	$ 61,855	[1]

[1] Intercompany balances that were previously included in total assets for each reportable segment have been excluded.