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Note 2 - Certain Significant Estimates (Tables) | 12 Months Ended
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Dec. 31, 2022
Reserve For Customer Allowances [Member] |
Notes Tables |
Valuation and Qualifying Accounts [Table Text Block] |
In Thousands |  | 2022 |  |  | 2021 |  |  | 2020 |
Beginning balance |  | $ | 2,340 |  |  | $ | 2,296 |  |  | $ | 1,292 |
Additions |  |  | 11,627 |  |  |  | 12,930 |  |  |  | 11,940 |
Deductions |  |  | (12,326 | ) |  |  | (12,886 | ) |  |  | (10,936 | )
Ending balance |  | $ | 1,641 |  |  | $ | 2,340 |  |  | $ | 2,296 |
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |
Notes Tables |
Valuation and Qualifying Accounts [Table Text Block] |
In Thousands |  | 2022 |  |  | 2021 |  |  | 2020 |
Beginning balance |  | $ | 457 |  |  | $ | 896 |  |  | $ | 483 |
Additions (Reductions) |  |  | 108 |  |  |  | (408 | ) |  |  | 473 |
Deductions |  |  | (73 | ) |  |  | (31 | ) |  |  | (60 | )
Ending balance |  | $ | 492 |  |  | $ | 457 |  |  | $ | 896 |
SEC Schedule, 12-09, Reserve, Inventory [Member] |
Notes Tables |
Valuation and Qualifying Accounts [Table Text Block] |
In Thousands |  | 2022 |  |  | 2021 |  |  | 2020 |
Beginning balance |  | $ | 748 |  |  | $ | 697 |  |  | $ | 786 |
Additions |  |  | 1,083 |  |  |  | 446 |  |  |  | 831 |
Deductions |  |  | (263 | ) |  |  | (395 | ) |  |  | (920 | )
Ending balance |  | $ | 1,568 |  |  | $ | 748 |  |  | $ | 697 |
SEC Schedule, 12-09, Reserve, Warranty [Member] |
Notes Tables |
Schedule of Product Warranty Liability [Table Text Block] |
In Thousands |  | 2022 |  |  | 2021 |  |  | 2020 |
Beginning balance |  | $ | 1,119 |  |  | $ | 962 |  |  | $ | 688 |
Additions |  |  | 2,472 |  |  |  | 2,487 |  |  |  | 1,648 |
Deductions |  |  | (2,578 | ) |  |  | (2,330 | ) |  |  | (1,374 | )
Ending balance |  | $ | 1,013 |  |  | $ | 1,119 |  |  | $ | 962 |

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- Definition Tabular disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References No definition available. + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249 + Details
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