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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% |  |  |  |  |

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