Note 7 - Operating Segment Information (Detail) - Information Related to Operations of Operating Segments (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Net sales	$ 29,335,000	$ 27,505,000	$ 57,843,000	$ 54,404,000
Gross margin	9,662,000	9,928,000	19,124,000	19,779,000
Selling and administrative expenses	8,088,000	8,490,000	17,002,000	17,396,000
Interest expense	7,000	6,000	18,000	12,000
Income before income taxes	1,567,000	1,432,000	2,104,000	2,371,000
Depreciation and amortization	565,000	738,000	1,179,000	1,532,000
Capital expenditures	252,000	338,000	675,000	733,000
Total assets	80,263,000	76,495,000	80,263,000	76,495,000	80,947,000
Uniform And Related Products [Member]
Net sales	28,659,000	26,838,000	56,479,000	53,161,000
Gross margin	9,299,000	9,546,000	18,421,000	19,033,000
Selling and administrative expenses	8,153,000	8,619,000	17,131,000	17,810,000
Interest expense	7,000	6,000	18,000	12,000
Income before income taxes	1,139,000	921,000	1,272,000	1,211,000
Depreciation and amortization	526,000	700,000	1,099,000	1,464,000
Capital expenditures	148,000	217,000	501,000	460,000
Total assets	75,484,000	72,733,000	75,484,000	72,733,000
Remote Staffing Solutions [Member]
Net sales	1,630,000	1,548,000	3,264,000	3,074,000
Gross margin	958,000	979,000	1,921,000	2,011,000
Selling and administrative expenses	530,000	468,000	1,089,000	851,000
Income before income taxes	428,000	511,000	832,000	1,160,000
Depreciation and amortization	39,000	38,000	80,000	68,000
Capital expenditures	104,000	121,000	174,000	273,000
Total assets	6,538,000	4,424,000	6,538,000	4,424,000
Intersegment Elimination [Member]
Net sales	(954,000)	(881,000)	(1,900,000)	(1,831,000)
Gross margin	(595,000)	(597,000)	(1,218,000)	(1,265,000)
Selling and administrative expenses	(595,000)	(597,000)	(1,218,000)	(1,265,000)
Total assets	$ (1,759,000)	$ (662,000)	$ (1,759,000)	$ (662,000)