Note 7 - Operating Segment Information (Detail) - Information Related to Operations of Operating Segments (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Net sales	$ 30,985,000	$ 28,508,000
Gross margin	11,313,000	9,462,000
Selling and administrative expenses	9,557,000	8,914,000
Interest expense	7,000	11,000
Income before income taxes	1,749,000	537,000
Depreciation and amortization	349,000	614,000
Capital expenditures	554,000	423,000
Total assets	80,406,000	80,059,000	78,913,000
Uniform And Related Products [Member]
Net sales	29,717,000	27,820,000
Gross margin	10,553,000	9,122,000
Selling and administrative expenses	9,340,000	8,978,000
Interest expense	7,000	11,000
Income before income taxes	1,206,000	133,000
Depreciation and amortization	300,000	573,000
Capital expenditures	480,000	353,000
Total assets	74,010,000	75,398,000
Remote Staffing Solutions [Member]
Net sales	2,174,000	1,634,000
Gross margin	1,365,000	963,000
Selling and administrative expenses	822,000	559,000
Income before income taxes	543,000	404,000
Depreciation and amortization	49,000	41,000
Capital expenditures	74,000	70,000
Total assets	7,944,000	6,048,000
Intersegment Elimination [Member]
Net sales	(906,000)	(946,000)
Gross margin	(605,000)	(623,000)
Selling and administrative expenses	(605,000)	(623,000)
Total assets	$ (1,548,000)	$ (1,387,000)