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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | May 02, 2018 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2013 USD ($)
Selling, General and Administrative Expense, Total | $ 136,515 | $ 107,282 | $ 96,710 |  |  |
Proceeds from Sale of Property, Plant, and Equipment, Total | 5,284 | 5 | 0 |  |  |
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property | 2,164 | 0 | 0 |  |  |
Amortization of Intangible Assets, Total | 3,800 | 3,800 | 3,800 |  |  |
Impairment of Long-Lived Assets Held-for-use | $ 0 | 0 | 0 |  |  |
Number of Reportable Segments | 3 |  |  |  |  |
Goodwill, Ending Balance | $ 36,116 | $ 36,292 |  |  |  |
Pension Plan Prior Service Costs Amortization Term (Year) |  | 20 years |  |  |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |  |  |
Number of Customers | 2 |  |  |  |  |
Concentration Risk, Percentage | 23.00% | 10.00% |  |  |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Five Largest [Member] |  |  |  |  |  |
Concentration Risk, Percentage | 40.00% | 23.00% |  |  |  |
Accounts Receivable, after Allowance for Credit Loss, Total | $ 36,800 | $ 18,600 |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Five Largest [Member] |  |  |  |  |  |
Concentration Risk, Percentage | 10.00% |  |  |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Largest [Member] |  |  |  |  |  |
Concentration Risk, Percentage | 14.00% |  |  |  |  |
Uniforms and Related Products [Member] |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure | $ 18,800 |  |  |  |  |
Goodwill, Ending Balance | 24,500 |  |  |  |  |
Promotional Products [Member] |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure | 12,600 |  |  |  |  |
Goodwill, Ending Balance | 11,600 |  |  |  |  |
HPI [Member] | Trade Names [Member] |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure |  |  |  |  |  | $ 4,700
BAMKO [Member] | Trade Names [Member] |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure |  |  |  |  | $ 8,900 |
Public Identity [Member] | Trade Names [Member] |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure |  |  | 500 |  |  |
Tangerine [Member] | Trade Names [Member] |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure |  |  | 3,200 |  |  |
CID Resources [Member] |  |  |  |  |  |
Amortization of Intangible Assets, Total | 1,900 | 1,900 | 1,300 |  |  |
Goodwill, Ending Balance |  |  |  | $ 20,323 |  |
CID Resources [Member] | Trade Names [Member] |  |  |  |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure |  |  | 14,200 |  |  |
Shipping and Handling [Member] |  |  |  |  |  |
Selling, General and Administrative Expense, Total | $ 17,600 | $ 14,500 | $ 14,000 |  |  |

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