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Note 12 - Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | As of December 31 , |
(in thousands) |  | 201 7 |  |  | 201 6 |  |  | 201 5 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 7,695 |  |  | $ | 2,563 |  |  | $ | (149 | )
State and local |  |  | 666 |  |  |  | 929 |  |  |  | (752 | )
|  |  | 8,361 |  |  |  | 3,492 |  |  |  | (901 | )
Deferred |  |  | (10,974 | ) |  |  | (1,994 | ) |  |  | (5,916 | )
Income tax provision (benefit) |  | $ | (2,613 | ) |  | $ | 1,498 |  |  | $ | (6,817 | )
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
(in thousands ) |  | 201 7 |  |  | 201 6 |
Deferred tax assets : |  |  |  |  |  |  |  |
Inventory (excluding LIFO reserve ) |  | $ | 1,690 |  |  | $ | 2,531 |
Net operating loss and tax credit carryforward s |  |  | 3,520 |  |  |  | 3,224 |
Allowance for doubtful account s |  |  | 419 |  |  |  | 533 |
Accrued expense s |  |  | 5,684 |  |  |  | 7,228 |
Othe r |  |  | 143 |  |  |  | 169 |
Deferred tax assets before valuation allowanc e |  |  | 11,456 |  |  |  | 13,685 |
Valuation allowanc e |  |  | (2,379 | ) |  |  | (2,017 | )
Total deferred tax asset s |  |  | 9,077 |  |  |  | 11,668 |
Deferred tax liabilities : |  |  |  |  |  |  |  |
LIFO reserv e |  |  | (3,958 | ) |  |  | (5,874 | )
Property and equipmen t |  |  | (11,363 | ) |  |  | (19,846 | )
Intangible s |  |  | (5,901 | ) |  |  | (9,067 | )
Total deferred tax liabilitie s |  |  | (21,222 | ) |  |  | (34,787 | )
Deferred tax liabilities, ne t |  | $ | (12,145 | ) |  | $ | (23,119 | )
Schedule of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns Roll Forward [Table Text Block] |
(in thousands ) |  | 201 7 |  |  | 201 6 |  |  | 201 5 |
Balance as of January 1 |  | $ | 38 |  |  | $ | 38 |  |  | $ | 58 |
Decreases related to prior year tax positions |  |  | - |  |  |  | - |  |  |  | (20 | )
Increases related to current year tax positions |  |  | 15 |  |  |  | 13 |  |  |  | 13 |
Decreases related to lapsing of statute of limitations |  |  | (13 | ) |  |  | (13 | ) |  |  | (13 | )
Balance as of December 31 |  | $ | 40 |  |  | $ | 38 |  |  | $ | 38 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | 201 7 |  |  | 201 6 |  |  | 201 5 |
U.S. federal statutory rate in effect |  |  | 35.0% |  |  |  | 35.0% |  |  |  | 35.0% |
State and local taxes, net of federal benefit |  |  | 3.6% |  |  |  | 11.8% |  |  |  | 1.4% |
Sec. 199 manufacturing deduction |  |  | (3.8% | ) |  |  | (33.6% | ) |  |  | 0.0% |
Meals and entertainment |  |  | 1.8% |  |  |  | 64.3% |  |  |  | (0.6% | )
Tax credits |  |  | (1.3% | ) |  |  | (48.7% | ) |  |  | 0.4% |
Change in valuation allowance |  |  | 0.6% |  |  |  | 205.4% |  |  |  | 0.0% |
Change in U.S. federal statutory rate |  |  | (37.7% | ) |  |  | 0.0% |  |  |  | 0.0% |
Change in tax affect of SERP |  |  | (11.4% | ) |  |  | 0.0% |  |  |  | 0.0% |
Goodwill impairment |  |  | 0.0% |  |  |  | 0.0% |  |  |  | (17.1% | )
All other, net |  |  | (2.8% | ) |  |  | 122.4% |  |  |  | 1.2% |
Effective income tax rate |  |  | (16.0% | ) |  |  | 356.6% |  |  |  | 20.3% |

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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=84230637&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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