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Note 6 - Debt (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | As of December 31 , |
(in thousands ) |  | 201 7 |  |  | 201 6 |
Asset-based revolving credit facility due December 8, 202 2 |  | $ | 196,235 |  |  | $ | - |
Asset-based revolving credit facility due June 30, 201 9 |  |  | - |  |  |  | 164,599 |
Industrial revenue bond due April 1, 201 8 |  |  | 930 |  |  |  | 1,825 |
Total deb t |  |  | 197,165 |  |  |  | 166,424 |
Less current amoun t |  |  | (930 | ) |  |  | (1,825 | )
Total long-term deb t |  | $ | 196,235 |  |  | $ | 164,599 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
(in thousands ) |  | 201 8 |  |  | 201 9 |  |  | 202 0 |  |  | 202 1 |  |  | 202 2 |  |  | Tota l |
ABL Credit Facilit y |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 196,235 |  |  | $ | 196,235 |
Industrial revenue bon d |  |  | 930 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 930 |
Total principal payment s |  | $ | 930 |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 196,235 |  |  | $ | 197,165 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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