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Note 18 - Operating Segment Information (Details) - Information Related to the Operations of the Company’s Operating Segments (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net Sales									$ 196,249,000us-gaap_SalesRevenueGoodsNet	$ 151,496,000us-gaap_SalesRevenueGoodsNet
Gross Margin	17,242,000us-gaap_GrossProfit	18,433,000us-gaap_GrossProfit	19,006,000us-gaap_GrossProfit	14,056,000us-gaap_GrossProfit	15,027,000us-gaap_GrossProfit	15,040,000us-gaap_GrossProfit	11,178,000us-gaap_GrossProfit	11,313,000us-gaap_GrossProfit	68,737,000us-gaap_GrossProfit	52,558,000us-gaap_GrossProfit
Selling and Administrative Expenses									50,724,000	43,873,000
Interest Expense									484,000us-gaap_InterestExpense	195,000us-gaap_InterestExpense
Earnings Before Income Taxes									17,529,000	8,490,000
Depreciation and Amortization									3,839,000us-gaap_DepreciationAndAmortization	2,582,000us-gaap_DepreciationAndAmortization
Capital Expenditures									4,936,000	1,631,000
Total Assets	139,937,000us-gaap_Assets				125,494,000us-gaap_Assets				139,937,000us-gaap_Assets	125,494,000us-gaap_Assets
Uniforms and Related Products
Segment Reporting Information [Line Items]
Net Sales									188,199,000	145,846,000
Gross Margin									64,480,000	49,252,000
Selling and Administrative Expenses									48,924,000	42,854,000
Interest Expense									484,000	195,000
Earnings Before Income Taxes									15,072,000	6,203,000
Depreciation and Amortization									3,581,000	2,375,000
Capital Expenditures									2,187,000	1,274,000
Total Assets	131,710,000				119,532,000				131,710,000	119,532,000
Remote Staffing Solutions
Segment Reporting Information [Line Items]
Net Sales									11,424,000	9,285,000
Gross Margin									6,487,000	5,720,000
Selling and Administrative Expenses									4,030,000	3,433,000
Earnings Before Income Taxes									2,457,000	2,287,000
Depreciation and Amortization									258,000	207,000
Capital Expenditures									2,749,000	357,000
Total Assets	9,797,000				7,341,000				9,797,000	7,341,000
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net Sales									(3,374,000)	(3,635,000)
Gross Margin									(2,230,000)	(2,414,000)
Selling and Administrative Expenses									(2,230,000)	(2,414,000)
Total Assets	$ (1,570,000)				$ (1,379,000)				$ (1,570,000)	$ (1,379,000)