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Note 7 - Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Domestic |  | $ | 9,733 |  |  | $ | 13,854 |  |  | $ | 12,973 |
Foreign |  |  | (4,424 | ) |  |  | 4,044 |  |  |  | 3,051 |
Total income before income taxes |  | $ | 5,309 |  |  | $ | 17,898 |  |  | $ | 16,024 |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 1,605 |  |  | $ | - |  |  | $ | - |
State |  |  | 237 |  |  |  | 24 |  |  |  | 304 |
Foreign |  |  | (231 | ) |  |  | 1,189 |  |  |  | 3,293 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | 1,902 |  |  |  | (9,697 | ) |  |  | - |
State |  |  | 1,230 |  |  |  | (1,308 | ) |  |  | 26 |
Foreign |  |  | (811 | ) |  |  | 345 |  |  |  | (1,961 | )
Income tax expense (benefit) |  | $ | 3,932 |  |  | $ | (9,447 | ) |  | $ | 1,662 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  |  |  | 2016 |  |  | 2015 |  |  | 2014 |
Income before income taxes |  | $ | 5,309 |  |  | $ | 17,898 |  |  | $ | 16,024 |
Statutory federal income tax rate |  |  | 34 | % |  |  | 34 | % |  |  | 34 | %
Income tax expense at statutory federal rate |  |  | 1,805 |  |  |  | 6,085 |  |  |  | 5,448 |
State income taxes, net of federal tax benefit |  |  | 968 |  |  |  | 371 |  |  |  | 310 |
Valuation allowance |  |  | 576 |  |  |  | (15,572 | ) |  |  | (5,415 | )
Effect of lower foreign taxes |  |  | 864 |  |  |  | (622 | ) |  |  | (372 | )
Adjustment for unrecognized tax positions |  |  | (77 | ) |  |  | 67 |  |  |  | 397 |
Other items, net |  |  | (204 | ) |  |  | 224 |  |  |  | 1,294 |
Income tax expense (benefit) |  | $ | 3,932 |  |  | $ | (9,447 | ) |  | $ | 1,662 |
Effective tax rate |  |  | 74.1 | % |  |  | (52.8 | )% |  |  | 10.4 | %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | 2016 |  |  | 2015 |
Deferred tax assets: |  |  |  |  |  |  |  |
Deferred revenue |  | $ | 5,004 |  |  | $ | 5,129 |
Accrued rents |  |  | 1,907 |  |  |  | 1,704 |
Net operating loss carryforwards |  |  | 1,194 |  |  |  | 306 |
Intangible assets |  |  | 1,040 |  |  |  | 1,349 |
Deferred compensation |  |  | 1,739 |  |  |  | 1,022 |
Accrued compensation |  |  | 620 |  |  |  | 1,545 |
Carryforward of tax credits |  |  | 880 |  |  |  | 928 |
Receivable write-offs |  |  | 604 |  |  |  | 1,317 |
Inventories |  |  | 1,994 |  |  |  | 656 |
Other |  |  | 1,209 |  |  |  | 3,306 |
Total gross deferred tax assets |  |  | 16,191 |  |  |  | 17,262 |
Less: Valuation allowance |  |  | 576 |  |  |  | — |
Total deferred tax assets, net of valuation allowance |  |  | 15,615 |  |  |  | 17,262 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Depreciation |  |  | (3,909 | ) |  |  | (3,494 | )
Deferred expense |  |  | (3,318 | ) |  |  | (2,505 | )
Other |  |  | (132 | ) |  |  | (399 | )
Total deferred tax liabilities |  |  | (7,359 | ) |  |  | (6,398 | )
Net deferred tax assets |  | $ | 8,256 |  |  | $ | 10,864 |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
Balance as of January 3, 2015 |  | $ | 719 |
Addition to reserve |  |  | — |
Audit settlement release |  |  | — |
Lapse of statute |  |  | — |
Balance as of January 2, 2016 |  |  | 719 |
Increases for prior year tax positions |  |  | 248 |
Decrease for prior year tax positions |  |  | (25 | )
Increases for current year tax positions |  |  | 26 |
Audit settlement release |  |  | (7 | )
Lapse of statute of limitations |  |  | — |
Balance as of December 31, 2016 |  | $ | 961 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 + Details
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