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Note 17 - Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | December 31, |
|  | 2020 |  |  | 2019 |
Pension liability adjustment, net of income tax benefit of $679 and $671 |  | $ | (1,795 | ) |  | $ | (1,770 | )
Unrealized loss on cash flow hedges, net of income tax benefit of $20 and $11 |  |  | (71 | ) |  |  | (44 | )
Total |  | $ | (1,866 | ) |  | $ | (1,814 | )
Schedule of Changes in Accumulated Other Comprehensive Income Loss [Table Text Block] |
|  | Pension Liability Adjustment |  |  | Unrealized Loss on Cash Flow Hedges |  |  | Total |
Balance, December 31, 2019 |  | $ | (1,770 | ) |  | $ | (44 | ) |  | $ | (1,814 | )
Other comprehensive loss before reclassifications |  |  | (3 | ) |  |  | (308 | ) |  |  | (311 | )
Amounts reclassified from Accumulated other comprehensive loss |  |  | (22 | ) |  |  | 281 |  |  |  | 259 |
Net current period adjustments to Other comprehensive loss |  |  | (25 | ) |  |  | (27 | ) |  |  | (52 | )
Balance, December 31, 2020 |  | $ | (1,795 | ) |  | $ | (71 | ) |  | $ | (1,866 | )
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
|  | Amount reclassified from Accumulated Other Comprehensive Loss |  | Affected line item in the
Details about Accumulated Other |  | Year Ended December 31, |  | Consolidated Statements
Comprehensive Loss Components |  | 2020 |  |  | 2019 |  |  | 2018 |  | of Operations
Pension liability adjustment: |  |  |  |  |  |  |  |  |  |  |  |  |
Net periodic pension cost: |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | (16 | ) |  | $ | (11 | ) |  | $ | (11 | ) | Cost of sales
Non-service cost |  |  | 46 |  |  |  | (15 | ) |  |  | 52 |  | Other income
Associated income tax (expense) benefit |  |  | (8 | ) |  |  | 4 |  |  |  | 8 |  | Income tax expense (benefit)
|  |  | 22 |  |  |  | (22 | ) |  |  | 49 |  |
Unrealized gain (loss) on cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on cash flow hedges |  |  | (378 | ) |  |  | 5 |  |  |  | 13 |  | Net sales
Associated income tax (expense) benefit |  |  | 97 |  |  |  | 2 |  |  |  | (1 | ) | Income tax expense (benefit)
|  |  | (281 | ) |  |  | 7 |  |  |  | 12 |  |
Total reclassifications for the period |  | $ | (259 | ) |  | $ | (15 | ) |  | $ | 61 |  |

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