Note 1 - Summary of Significant Accounting Policies (Details Textual)		1 Months Ended	3 Months Ended												12 Months Ended
	Dec. 29, 2014	Dec. 31, 2017 USD ($) shares	Dec. 31, 2017 USD ($) shares	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($)	Dec. 01, 2017 USD ($)	Aug. 21, 2017 USD ($)	Mar. 08, 2016 USD ($)	Dec. 31, 2013 USD ($)
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest																99.00%
Advertising Expense																$ 100,000	$ 100,000	$ 100,000
Goodwill		$ 16,032,000	$ 16,032,000				$ 11,269,000									16,032,000	11,269,000
Amortization of Intangible Assets																2,400,000	2,300,000	2,100,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months		2,500,000	2,500,000													2,500,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two		1,900,000	1,900,000													1,900,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three		1,900,000	1,900,000													1,900,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four		1,900,000	1,900,000													1,900,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five		1,800,000	1,800,000													1,800,000
Finite-lived Intangible Assets Amortization Expense Year Six		1,100,000	1,100,000													1,100,000
Finite Lived Intangible Assets Amortization Expense Year Seven		$ 500,000	$ 500,000													$ 500,000
Pension Plan Prior Service Costs Amortization Term																20 years
Impairment of Long-Lived Assets Held-for-use																$ 0	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | shares		3,667,577	3,667,577													3,667,577
Number of Reportable Segments																3
Revenue, Net			$ 72,450,000	$ 67,773,000	$ 65,604,000	$ 60,987,000	64,686,000	$ 65,282,000	$ 64,660,000	$ 57,968,000	$ 53,192,000	$ 56,662,000	$ 54,116,000	$ 46,347,000
Other Receivables		$ 1,848,000	$ 1,848,000				3,085,000									$ 1,848,000	3,085,000
Reclassification from APIC to Income Tax Expense [Member]
Current Period Reclassification Adjustment																$ 1,800,000	$ 900,000
Current Period Reclassification Adjustment, Per Share | $ / shares																$ 0.12	$ 0.06
Stock Split from [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	2
Minimum [Member] | Accounting Standards Update 2014-09 [Member] | Scenario, Forecast [Member]
Cumulative Effect on Retained Earnings, Net of Tax															$ 10,000,000
Minimum [Member] | Building [Member]
Property Plant and Equipment Depreciation Straight Line Percentage		2.50%	2.50%													2.50%
Minimum [Member] | Building Improvements [Member]
Property Plant and Equipment Depreciation Straight Line Percentage		2.50%	2.50%													2.50%
Minimum [Member] | Machinery, Equipment and Fixtures [Member]
Property Plant and Equipment Depreciation Straight Line Percentage		10.00%	10.00%													10.00%
Minimum [Member] | Transportation Equipment [Member]
Property Plant and Equipment Depreciation Straight Line Percentage		20.00%	20.00%													20.00%
Maximum [Member] | Accounting Standards Update 2014-09 [Member] | Scenario, Forecast [Member]
Cumulative Effect on Retained Earnings, Net of Tax															$ 15,000,000
Maximum [Member] | Building [Member]
Property Plant and Equipment Depreciation Straight Line Percentage		5.00%	5.00%													5.00%
Maximum [Member] | Building Improvements [Member]
Property Plant and Equipment Depreciation Straight Line Percentage		20.00%	20.00%													20.00%
Maximum [Member] | Machinery, Equipment and Fixtures [Member]
Property Plant and Equipment Depreciation Straight Line Percentage		33.33%	33.33%													33.33%
Maximum [Member] | Transportation Equipment [Member]
Property Plant and Equipment Depreciation Straight Line Percentage		33.33%	33.33%													33.33%
HPI [Member] | Trade Names [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure																						$ 4,700,000
BAMKO [Member]
Goodwill																					$ 6,994,000
Amortization of Intangible Assets																$ 400,000	$ 300,000
BAMKO [Member] | Trade Names [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure							8,900,000										8,900,000
Public Identity [Member]
Goodwill																				$ 600,000
Public Identity [Member] | Trade Names [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure		$ 500,000	$ 500,000													500,000
Tangerine [Member]
Goodwill																			$ 4,169,000
Amortization of Intangible Assets		100,000
Tangerine [Member] | Trade Names [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure		3,200,000	3,200,000													3,200,000
Uniforms and Related Products [Member]
Goodwill		4,100,000	4,100,000													4,100,000
Promotional Products Segment [Member]
Goodwill		11,900,000	11,900,000													11,900,000
Selling, General and Administrative Expenses [Member]
Shipping, Handling and Transportation Costs																$ 10,900,000	10,600,000	$ 9,300,000
Product Concentration Risk [Member] | Sales Revenue, Net [Member] | Uniforms and Related Products [Member]
Concentration Risk, Percentage																95.00%
Customer Concentration Risk [Member] | Largest [Member]
Other Receivables		1,500,000	1,500,000				2,300,000									$ 1,500,000	$ 2,300,000
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Five Largest [Member]
Concentration Risk, Percentage																19.00%	22.80%	23.30%
Revenue, Net																$ 50,700,000	$ 57,600,000	$ 48,900,000
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Largest [Member]
Concentration Risk, Percentage																7.70%	7.60%	6.00%
Revenue, Net																$ 20,600,000	$ 19,300,000	$ 12,500,000
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Concentration Risk, Percentage																11.30%	11.30%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Five Largest [Member]
Concentration Risk, Percentage																28.00%	30.80%
Accounts Receivable, Net		$ 14,200,000	$ 14,200,000				$ 12,900,000									$ 14,200,000	$ 12,900,000
Supplier Concentration Risk [Member] | Uniforms and Related Products [Member] | CHINA
Concentration Risk, Percentage																28.00%	31.00%	26.00%
Supplier Concentration Risk [Member] | Uniforms and Related Products [Member] | Central America [Member]
Concentration Risk, Percentage																32.00%	32.00%	42.00%
Supplier Concentration Risk [Member] | Promotional Products Segment [Member] | CHINA
Concentration Risk, Percentage																67.00%	59.00%