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Note 3 - Supplemental Balance Sheet Information (in Thousands) (Details Textual) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2018 | Dec. 31, 2011
Depreciation, Amortization and Accretion, Net, Total | $ 2,000 | $ 2,100 |  |
Goodwill, Impaired, Accumulated Impairment Loss | 2,500 | 0 |  |
Goodwill, Ending Balance | 1,708 | 4,166 |  |
Finite-Lived Intangible Assets, Gross, Total | 5,833 | 5,652 |  |
Goodwill, Impairment Loss | 2,458 | 0 |  |
Resource Plus, Inc [Member] |  |  |  |
Goodwill, Ending Balance |  |  | $ 2,000 |
Goodwill, Impairment Loss | 2,000 |  |  |
Mexico Business Member] |  |  |  |
Goodwill, Ending Balance |  |  |  | $ 500
Goodwill, Impairment Loss | 500 |  |  |
Resource Plus, Inc [Member] |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 51.00% |
Mexico Business Member] |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 51.00%
Capitalized Software Costs [Member] |  |  |  |
Capitalized Computer Software, Gross | 1,500 | 1,200 |  |
Capitalized Computer Software, Amortization | 1,200 | 1,200 |  |
Brand and Technology [Member] | Resource Plus, Inc [Member] |  |  |  |
Finite-Lived Intangible Assets, Gross, Total |  |  | $ 1,200 |
Customer Contracts And Lists [Member] |  |  |  |
Finite-Lived Intangible Assets, Gross, Total | 3,543 | 3,362 |  |
Amortization of Intangible Assets | $ 400 | $ 500 |  |
Customer Contracts And Lists [Member] | Minimum [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 5 years |  |  |
Customer Contracts And Lists [Member] | Maximum [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 25 years |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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