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Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) | 3 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | May 02, 2018 | Jan. 01, 2018 | Dec. 01, 2017 | Aug. 21, 2017 | Mar. 01, 2016 | Dec. 31, 2013
Advertising Expense |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 700,000 | $ 100,000 | $ 100,000 |  |  |  |  |  |
Selling, General and Administrative Expense, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 96,710,000 | 70,592,000 | 65,124,000 |  |  |  |  |  |
Number of Reportable Segments |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |
Goodwill, Ending Balance | $ 33,961,000 |  |  |  | $ 16,032,000 |  |  |  |  |  |  |  |  | $ 33,961,000 | 16,032,000 |  |  |  |  |  |  |
Amortization of Intangible Assets, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,800,000 | 2,400,000 | 2,300,000 |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months | 3,800,000 |  |  |  |  |  |  |  |  |  |  |  |  | 3,800,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Five | 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  | 3,000,000 |  |  |  |  |  |  |  |
Finite-lived Intangible Assets Amortization Expense Year Six | 2,200,000 |  |  |  |  |  |  |  |  |  |  |  |  | 2,200,000 |  |  |  |  |  |  |  |
Finite Lived Intangible Assets Amortization Expense Year Seven | $ 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,700,000 |  |  |  |  |  |  |  |
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 | 3,498,367 |  |  |  |  |  |  |  |  |  |  |  |  | 3,498,367 |  |  |  |  |  |  |  |
Other Receivables | $ 1,744,000 |  |  |  | 1,848,000 |  |  |  |  |  |  |  |  | $ 1,744,000 | 1,848,000 |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax, Total | 95,001,000 | $ 95,870,000 | $ 82,392,000 | $ 73,087,000 | 72,450,000 | $ 67,773,000 | $ 65,604,000 | $ 60,987,000 | $ 64,686,000 | $ 65,282,000 | $ 64,660,000 | $ 57,968,000 |  | 346,350,000 | 266,814,000 | $ 252,596,000 |  |  |  |  |  |
Revenue, Remaining Performance Obligation, Amount | 0 |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |
Contract with Customer, Asset, Net, Current, Total | 49,236,000 |  |  |  |  |  |  |  |  |  |  |  |  | 49,236,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Two | 3,800,000 |  |  |  |  |  |  |  |  |  |  |  |  | 3,800,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Three | 3,800,000 |  |  |  |  |  |  |  |  |  |  |  |  | 3,800,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Four | 3,800,000 |  |  |  |  |  |  |  |  |  |  |  |  | 3,800,000 |  |  |  |  |  |  |  |
Finite Lived Intangible Assets Amortization Expense Year Eight | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |  |
Finite Lived Intangible Assets Amortization Expense Year Nine | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |  |
Finite-lived Intangible Assets Amortization Expense Year Ten | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Eleven | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Twelve | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Thirteen | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Fourteen | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Fifteen | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Sixteen | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |  |  |  |  |  |  |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,469,000 |  |  |  |  |  |  |  |
Accounting Standards Update 2014-09 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Selling, General and Administrative Expense, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 706,000 |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 42,880,000 |  |  |  |  |  |  |  |
Cumulative Tax Adjustments Payment, Period |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Selling, General and Administrative Expense, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (48,000) |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,469,000 |  |  |  |  |  |  |  |
Contract with Customer, Asset, Net, Current, Total | 49,236,000 |  |  |  |  |  |  |  |  |  |  |  |  | 49,236,000 |  |  |  |  |  |  |  |
Accounting Standards Update 2014-09 [Member] | Retained Earnings [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,200,000 |  |  |  |
Customer Concentration Risk [Member] | Largest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Receivables | 1,600,000 |  |  |  | 1,500,000 |  |  |  |  |  |  |  |  | $ 1,600,000 | $ 1,500,000 |  |  |  |  |  |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.40% | 7.40% |  |  |  |  |  |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Five Largest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% | 28.00% |  |  |  |  |  |  |
Accounts Receivable, Net, Total | $ 12,800,000 |  |  |  | 14,200,000 |  |  |  |  |  |  |  |  | $ 12,800,000 | $ 14,200,000 |  |  |  |  |  |  |
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Five Largest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 13.60% | 19.00% | 22.80% |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 47,100,000 | $ 50,700,000 | $ 57,600,000 |  |  |  |  |  |
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Largest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.80% | 7.70% | 7.60% |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,100,000 | $ 20,600,000 | $ 19,300,000 |  |  |  |  |  |
Minimum [Member] | Scenario, Forecast [Member] | Accounting Standards Update 2016-02 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in Operating Liabilities |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |
Minimum [Member] | Building [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property Plant and Equipment Depreciation Straight Line Percentage | 2.50% |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |
Minimum [Member] | Building Improvements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property Plant and Equipment Depreciation Straight Line Percentage | 2.50% |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |
Minimum [Member] | Machinery, Equipment and Fixtures [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property Plant and Equipment Depreciation Straight Line Percentage | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |
Minimum [Member] | Transportation Equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property Plant and Equipment Depreciation Straight Line Percentage | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |  |  |  |  |  |
Maximum [Member] | Scenario, Forecast [Member] | Accounting Standards Update 2016-02 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in Operating Liabilities |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,000,000 |  |  |  |  |  |  |  |  |
Maximum [Member] | Building [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property Plant and Equipment Depreciation Straight Line Percentage | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% |  |  |  |  |  |  |  |
Maximum [Member] | Building Improvements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property Plant and Equipment Depreciation Straight Line Percentage | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |  |  |  |  |  |
Maximum [Member] | Machinery, Equipment and Fixtures [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property Plant and Equipment Depreciation Straight Line Percentage | 33.33% |  |  |  |  |  |  |  |  |  |  |  |  | 33.33% |  |  |  |  |  |  |  |
Maximum [Member] | Transportation Equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property Plant and Equipment Depreciation Straight Line Percentage | 33.33% |  |  |  |  |  |  |  |  |  |  |  |  | 33.33% |  |  |  |  |  |  |  |
HPI [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,700,000
BAMKO [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,994,000 |
Amortization of Intangible Assets, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 400,000 | 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, Ending Balance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 600,000 |  |
Public Identity [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |
Tangerine [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,169,000 |  |  |
Amortization of Intangible Assets, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 600,000 | 100,000 |  |  |  |  |  |  |
Tangerine [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure |  |  |  |  | $ 3,200,000 |  |  |  |  |  |  |  |  |  | $ 3,200,000 |  |  |  |  |  |  |
CID Resources [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 17,968,000 |  |  |  |  |
Amortization of Intangible Assets, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,300,000 |  |  |  |  |  |  |  |
CID Resources [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure | $ 14,200,000 |  |  |  |  |  |  |  |  |  |  |  |  | 14,200,000 |  |  |  |  |  |  |  |
Uniforms and Related Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance | 22,100,000 |  |  |  |  |  |  |  |  |  |  |  |  | 22,100,000 |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 238,166,000 |  |  |  |  |  |  |  |
Uniforms and Related Products [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,071,000 |  |  |  |  |  |  |  |
Uniforms and Related Products [Member] | Supplier Concentration Risk [Member] | Raw Materials [Member] | CHINA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 24.00% | 34.00% | 31.00% |  |  |  |  |  |
Uniforms and Related Products [Member] | Supplier Concentration Risk [Member] | Raw Materials [Member] | Central America [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% | 34.00% | 32.00% |  |  |  |  |  |
Promotional Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance | $ 11,900,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,900,000 |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | 80,912,000 |  |  |  |  |  |  |  |
Promotional Products [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,398,000 |  |  |  |  |  |  |  |
Promotional Products [Member] | Supplier Concentration Risk [Member] | Raw Materials [Member] | CHINA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 28.00% | 67.00% | 59.00% |  |  |  |  |  |
Shipping and Handling [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Selling, General and Administrative Expense, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,000,000 | $ 10,900,000 | $ 10,600,000 |  |  |  |  |  |
BAMKO [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.00% |  |  |  |  |  |  |  |

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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the sixth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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