Note 10 - Operating Segment Information - Information Related to the Operations of the Company's Operating Segments (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019		Jun. 30, 2020	Jun. 30, 2019		Dec. 31, 2019
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 159,359	$ 92,270		$ 253,604	$ 178,822
Cost of goods sold	103,421	59,927		164,215	116,211
Gross margin	55,938	32,343		89,389	62,611
Selling and administrative expenses	36,298	26,885		63,787	52,748
Other periodic pension cost	333	547		618	806
Interest expense	433	1,259		1,493	2,429
Income before taxes on income	18,874	3,652		23,491	6,628
Depreciation and amortization	2,090	2,151		3,959	4,211
Capital expenditures	2,820	3,256		4,893	4,979
Total assets	358,170	347,012	[1]	358,170	347,012	[1]	$ 358,933
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	(1,290)	(1,212)		(2,525)	(2,297)
Cost of goods sold	(480)	(434)		(945)	(804)
Gross margin	(810)	(778)		(1,580)	(1,493)
Selling and administrative expenses	(810)	(778)		(1,580)	(1,493)
Other periodic pension cost	0	0		0	0
Interest expense	0	0		0	0
Income before taxes on income	0	0		0	0
Depreciation and amortization	0	0		0	0
Capital expenditures	0	0		0	0
Total assets	0	0	[1]	0	0	[1]
Uniforms and Related Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	75,842	60,745		135,944	119,424
Uniforms and Related Products [Member] | Operating Segments [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	75,842	60,745		135,944	119,424
Cost of goods sold	47,937	38,937		86,609	77,298
Gross margin	27,905	21,808		49,335	42,126
Selling and administrative expenses	20,014	18,779		38,239	36,956
Other periodic pension cost	333	547		618	806
Interest expense	338	963		1,210	1,841
Income before taxes on income	7,220	1,519		9,268	2,523
Depreciation and amortization	1,551	1,582		2,861	3,070
Capital expenditures	2,600	2,997		4,452	4,155
Total assets	252,503	255,746	[1]	252,503	255,746	[1]
Remote Staffing Solutions [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	8,061	7,781		16,026	15,295
Remote Staffing Solutions [Member] | Operating Segments [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	9,351	8,993		18,551	17,592
Cost of goods sold	4,239	3,824		8,227	7,384
Gross margin	5,112	5,169		10,324	10,208
Selling and administrative expenses	3,517	3,448		6,913	6,567
Other periodic pension cost	0	0		0	0
Interest expense	0	0		0	0
Income before taxes on income	1,595	1,721		3,411	3,641
Depreciation and amortization	197	249		414	505
Capital expenditures	180	196		346	605
Total assets	21,030	23,614	[1]	21,030	23,614	[1]
Remote Staffing Solutions [Member] | Intersegment Eliminations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	(1,290)	(1,212)		(2,525)	(2,297)
Promotional Products [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	75,456	23,744		101,634	44,103
Promotional Products [Member] | Operating Segments [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	75,456	23,744		101,634	44,103
Cost of goods sold	51,725	17,600		70,324	32,333
Gross margin	23,731	6,144		31,310	11,770
Selling and administrative expenses	13,577	5,436		20,215	10,718
Other periodic pension cost	0	0		0	0
Interest expense	95	296		283	588
Income before taxes on income	10,059	412		10,812	464
Depreciation and amortization	342	320		684	636
Capital expenditures	40	63		95	219
Total assets	$ 84,637	$ 67,652	[1]	$ 84,637	$ 67,652	[1]

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