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Note 5 - Intangible Assets | 3 Months Ended
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Mar. 31, 2022
Notes to Financial Statements |
Intangible Assets Disclosure [Text Block] | NOTE 5 — INTANGIBLE ASSETS Intangible assets represent the fair value assigned to definite-lived assets such as trade names and customer relationships as part of the Company’s acquisition of Brad Foote completed in 2007 as well as the noncompetition agreements, trade names and customer relationships that were part of the Company’s acquisition of Red Wolf Company, LLC completed in 2017. Intangible assets are amortized on a straight-line basis over their estimated useful lives, with a remaining life range from 1 to 6 years. As of March 31, 2022 and December 31, 2021, the cost basis, accumulated amortization and net book value of intangible assets were as follows:
|  | March 31, 2022 |  |  | December 31, 2021 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Remaining |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Remaining |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Weighted |
|  |  |  |  |  |  |  |  |  | Accumulated |  |  | Net |  |  | Average |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  | Net |  |  | Average |
|  | Cost |  |  | Accumulated |  |  | Impairment |  |  | Book |  |  | Amortization |  |  |  |  |  |  | Accumulated |  |  | Impairment |  |  | Book |  |  | Amortization |
|  | Basis |  |  | Amortization |  |  | Charges |  |  | Value |  |  | Period |  |  | Cost |  |  | Amortization |  |  | Charges |  |  | Value |  |  | Period |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncompete agreements |  | $ | 170 |  |  | $ | (146 | ) |  | $ | — |  |  | $ | 24 |  |  |  | 0.8 |  |  | $ | 170 |  |  | $ | (139 | ) |  | $ | — |  |  | $ | 31 |  |  |  | 1.1 |
Customer relationships |  |  | 15,979 |  |  |  | (7,361 | ) |  |  | (7,592 | ) |  |  | 1,026 |  |  |  | 3.8 |  |  |  | 15,979 |  |  |  | (7,284 | ) |  |  | (7,592 | ) |  |  | 1,103 |  |  |  | 4.0 |
Trade names |  |  | 9,099 |  |  |  | (6,880 | ) |  |  | — |  |  |  | 2,219 |  |  |  | 5.5 |  |  |  | 9,099 |  |  |  | (6,780 | ) |  |  | — |  |  |  | 2,319 |  |  |  | 5.8 |
Intangible assets |  | $ | 25,248 |  |  | $ | (14,387 | ) |  | $ | (7,592 | ) |  | $ | 3,269 |  |  |  | 5.0 |  |  | $ | 25,248 |  |  | $ | (14,203 | ) |  | $ | (7,592 | ) |  | $ | 3,453 |  |  |  | 5.2 |
​ As of March 31, 2022, estimated future amortization expense was as follows:
2022 |  | $ | 550 |
2023 |  |  | 664 |
2024 |  |  | 661 |
2025 |  |  | 661 |
2026 |  |  | 422 |
2027 and thereafter |  |  | 311 |
Total |  | $ | 3,269 |
​ ​

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -URI https://asc.fasb.org/subtopic&trid=2144471 + Details
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