Note 6 - Information Related to the Operations of the Company's Operating Segments (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Uniforms and Related Products [Member]
Net sales	$ 54,483,000	$ 43,788,000
Gross margin	18,277,000	14,415,000
Selling and administrative expenses	15,628,000	11,933,000
Interest expense	148,000	136,000
Income before income taxes	2,501,000	2,346,000
Depreciation and amortization	1,010,000	884,000
Capital expenditures	853,000	693,000
Total assets	173,820,000	135,061,000
Remote Staffing Solutions [Member]
Net sales	4,358,000	3,466,000
Gross margin	2,316,000	1,996,000
Selling and administrative expenses	$ 1,407,000	$ 1,119,000
Interest expense
Income before income taxes	$ 909,000	$ 877,000
Depreciation and amortization	93,000	69,000
Capital expenditures	1,854,000	213,000
Total assets	16,573,000	10,746,000
Intersegment Eliminations [Member]
Net sales	(873,000)	(907,000)
Gross margin	(572,000)	(615,000)
Selling and administrative expenses	$ (572,000)	$ (615,000)
Interest expense
Income before income taxes
Depreciation and amortization
Capital expenditures
Total assets	$ (4,955,000)	$ (2,143,000)
Net sales	57,968,000	46,347,000
Gross margin	20,021,000	15,796,000
Selling and administrative expenses	16,463,000	12,437,000
Interest expense	148,000	136,000
Income before income taxes	3,410,000	3,223,000
Depreciation and amortization	1,103,000	953,000
Capital expenditures	2,707,000	906,000
Total assets	$ 185,438,000	$ 143,664,000	$ 151,731,000