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Note 9 - Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |
Liability for uncertain tax positions - January 1 |  | $ | 29,061 |  |  | $ | 28,951 |
Additions based on tax positions related to the current year |  |  | 764 |  |  |  | 1,738 |
Translation adjustment |  |  | 887 |  |  |  | (211 | )
Settlement/expiration of statutes of limitations |  |  | (2,196 | ) |  |  | (1,417 | )
Liability for uncertain tax positions - December 31 |  | $ | 28,516 |  |  | $ | 29,061 |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | Years Ended December 31, |
|  | 2020 |  |  | 2019 |
Current: |  |  |  |  |  |  |  |
Federal |  | $ | (1,555 | ) |  | $ | (215 | )
State |  |  | 168 |  |  |  | 141 |
Foreign |  |  | 2,472 |  |  |  | 3,687 |
|  |  | 1,085 |  |  |  | 3,613 |
Deferred: |  |  |  |  |  |  |  |
Federal |  |  | (1,412 | ) |  |  | (2,222 | )
State |  |  | (151 | ) |  |  | (135 | )
Foreign |  |  | (181 | ) |  |  | 185 |
|  |  | (1,744 | ) |  |  | (2,172 | )
|  | $ | (659 | ) |  | $ | 1,441 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | Years Ended December 31, |
|  | 2020 |  |  | 2019 |
|  | $ |  |  | % |  |  | $ |  |  | % |
Tax provision (benefit) computed at the federal statutory rate |  | $ | 2,549 |  |  |  | 21 | % |  | $ | (1,534 | ) |  |  | 21 | %
Increase (decrease) in taxes resulting from: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Different tax rates applicable to foreign operations |  |  | 311 |  |  |  | 3 | % |  |  | 2,978 |  |  |  | (41 | %)
(Reversal of) increase in liability for uncertain tax positions - net |  |  | (1,432 | ) |  |  | (12 | %) |  |  | 320 |  |  |  | (4 | %)
Impact of U.S. Tax Reform |  |  | (1,129 | ) |  |  | (9 | %) |  |  | - |  |  |  | 0 | %
Research and experimentation and foreign tax credits |  |  | (245 | ) |  |  | (2 | %) |  |  | (907 | ) |  |  | 12 | %
State taxes, net of federal benefit |  |  | 4 |  |  |  | 0 | % |  |  | (54 | ) |  |  | 1 | %
SERP/COLI and restricted stock income |  |  | (234 | ) |  |  | (2 | %) |  |  | (547 | ) |  |  | 7 | %
Impairment of goodwill |  |  | - |  |  |  | 0 | % |  |  | 1,522 |  |  |  | (21 | %)
Other, net |  |  | (483 | ) |  |  | (4 | %) |  |  | (337 | ) |  |  | 5 | %
Tax (benefit) provision computed at the Company's effective tax rate |  | $ | (659 | ) |  |  | (5 | %) |  | $ | 1,441 |  |  |  | (20 | %)
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | December 31, |
|  | 2020 |  |  | 2019 |
|  | Tax Effect |  |  | Tax Effect |
Deferred tax assets: |  |  |  |  |  |  |  |
State tax credits |  | $ | 757 |  |  | $ | 1,046 |
Unfunded pension liability |  |  | 1,840 |  |  |  | 1,102 |
Reserves and accruals |  |  | 3,181 |  |  |  | 2,721 |
Federal, state and foreign net operating loss and credit carryforwards |  |  | 7,744 |  |  |  | 8,042 |
Depreciation |  |  | 604 |  |  |  | 686 |
Amortization |  |  | 142 |  |  |  | 698 |
Lease accounting |  |  | 3,217 |  |  |  | 3,961 |
Other accruals |  |  | 5,452 |  |  |  | 5,079 |
Total deferred tax assets |  |  | 22,937 |  |  |  | 23,335 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Depreciation |  |  | 1,992 |  |  |  | 1,901 |
Amortization |  |  | 6,541 |  |  |  | 6,973 |
Lease accounting |  |  | 3,110 |  |  |  | 3,871 |
Other accruals |  |  | 330 |  |  |  | 370 |
Total deferred tax liabilities |  |  | 11,973 |  |  |  | 13,115 |
Valuation allowance |  |  | 6,289 |  |  |  | 8,216 |
Net deferred tax assets |  | $ | 4,675 |  |  | $ | 2,004 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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