Note 4 - Supplemental Balance Sheet Information (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2024 |
Jun. 30, 2024 |
Sep. 30, 2023 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2011 |
|
| Depreciation, Depletion and Amortization, Nonproduction | $ 454 | $ 451 | $ 497 | $ 451 | $ 926 | $ 941 | $ 1,553 | $ 1,827 | |
| Goodwill | 856 | 1,294 | |||||||
| Mexico Business Member] | |||||||||
| Goodwill | $ 3,000 | ||||||||
| Capitalized Software Costs [Member] | |||||||||
| Capitalized Computer Software, Gross | 1,000 | 1,000 | |||||||
| Capitalized Computer Software, Amortization | 1,300 | 1,100 | |||||||
| Customer Contracts And Lists [Member] | |||||||||
| Amortization of Intangible Assets | $ 200 | $ 400 | |||||||
| 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 | ||||||||
| X | ||||||||||
- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expense for amortization of capitalized computer software costs. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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