Note 6 - Information Related to the Operations of the Company's Operating Segments (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Uniforms and Related Products [Member]
Net sales	$ 53,392,000	$ 50,257,000	$ 148,436,000	$ 140,776,000
Gross margin	17,563,000	17,331,000	49,004,000	48,410,000
Selling and administrative expenses	12,764,000	12,723,000	37,014,000	36,987,000
Interest expense	130,000	144,000	395,000	352,000
Income before taxes on income	4,669,000	4,464,000	11,595,000	11,071,000
Depreciation and amortization	864,000	890,000	2,612,000	2,650,000
Capital expenditures	711,000	918,000	1,973,000	1,759,000
Total assets	141,170,000	128,428,000	141,170,000	128,428,000
Remote Staffing Solutions [Member]
Net sales	4,171,000	2,905,000	11,419,000	8,315,000
Gross margin	2,250,000	1,683,000	6,356,000	4,771,000
Selling and administrative expenses	$ 1,338,000	$ 979,000	$ 3,753,000	$ 2,929,000
Interest expense
Income before taxes on income	$ 912,000	$ 704,000	$ 2,603,000	$ 1,842,000
Depreciation and amortization	80,000	65,000	222,000	192,000
Capital expenditures	1,308,000	2,319,000	2,145,000	2,575,000
Total assets	12,118,000	9,104,000	12,118,000	9,104,000
Intersegment Eliminations [Member]
Net sales	(901,000)	(871,000)	(2,730,000)	(2,543,000)
Gross margin	(589,000)	(581,000)	(1,809,000)	(1,686,000)
Selling and administrative expenses	$ (589,000)	$ (581,000)	$ (1,809,000)	$ (1,686,000)
Interest expense
Income before taxes on income
Depreciation and amortization
Capital expenditures
Total assets	$ (1,326,000)	$ (1,294,000)	$ (1,326,000)	$ (1,294,000)
Net sales	56,662,000	52,291,000	157,125,000	146,548,000
Gross margin	19,224,000	18,433,000	53,551,000	51,495,000
Selling and administrative expenses	13,513,000	13,121,000	38,958,000	38,230,000
Interest expense	130,000	144,000	395,000	352,000
Income before taxes on income	5,581,000	5,168,000	14,198,000	12,913,000
Depreciation and amortization	944,000	955,000	2,834,000	2,842,000
Capital expenditures	2,019,000	3,237,000	4,118,000	4,334,000
Total assets	$ 151,962,000	$ 136,238,000	$ 151,962,000	$ 136,238,000