Note 7 - Operating Segment Information (Details) - Information Related to the Operations of the Company’s Operating Segments (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net sales	$ 52,291,000	$ 44,184,000	$ 146,548,000	$ 106,023,000
Gross margin	18,433,000	15,040,000	51,495,000	37,531,000
Selling and administrative expenses	13,121,000	12,817,000	38,230,000	31,476,000
Interest expense	144,000	95,000	352,000	110,000
Income before income taxes	5,168,000	2,128,000	12,913,000	5,945,000
Depreciation and amortization	955,000	911,000	2,842,000	1,620,000
Capital expenditures	3,237,000	157,000	4,334,000	1,122,000
Total assets	136,238,000	127,325,000	136,238,000	127,325,000	125,494,000
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(871,000)	(942,000)	(2,543,000)	(2,752,000)
Gross margin	(581,000)	(617,000)	(1,686,000)	(1,817,000)
Selling and administrative expenses	(581,000)	(617,000)	(1,686,000)	(1,817,000)
Total assets	(1,294,000)	(1,431,000)	(1,294,000)	(1,431,000)
Uniforms and Related Products
Segment Reporting Information [Line Items]
Net sales	50,257,000	42,758,000	140,776,000	102,067,000
Gross margin	17,331,000	14,215,000	48,410,000	35,211,000
Selling and administrative expenses	12,723,000	12,580,000	36,987,000	30,825,000
Interest expense	144,000	95,000	352,000	110,000
Income before income taxes	4,464,000	1,540,000	11,071,000	4,276,000
Depreciation and amortization	890,000	858,000	2,650,000	1,469,000
Capital expenditures	918,000	115,000	1,759,000	940,000
Total assets	128,428,000	122,383,000	128,428,000	122,383,000
Remote Staffing Solutions
Segment Reporting Information [Line Items]
Net sales	2,905,000	2,368,000	8,315,000	6,708,000
Gross margin	1,683,000	1,442,000	4,771,000	4,137,000
Selling and administrative expenses	979,000	854,000	2,929,000	2,468,000
Income before income taxes	704,000	588,000	1,842,000	1,669,000
Depreciation and amortization	65,000	53,000	192,000	151,000
Capital expenditures	2,319,000	42,000	2,575,000	182,000
Total assets	$ 9,104,000	$ 6,373,000	$ 9,104,000	$ 6,373,000