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Note 14 - Stock Repurchase Program (Details Textual) $ / shares in Units, $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 02, 2015 USD ($) shares | Dec. 31, 2015 $ / shares shares | Dec. 31, 2017 USD ($) shares | Dec. 31, 2016 shares
Stock Repurchase Program, Number of Shares Authorized to be Repurchased | shares | 550,000 |  |  |
Treasury Stock, Shares, Acquired | shares |  | 65,283 | 0 | 0
Treasury Stock Acquired, Average Cost Per Share | $ / shares |  | $ 10.71 |  |
ABL Credit Facility [Member] |  |  |  |
Unrestricted Common Stock Purchases, Maximum, Value | $ 5 |  |  |
ABL Credit Facility [Member] | Stock Repurchases Value Exceeds 5.0 Million, Option 1 [Member] | Minimum [Member] |  |  |  |
Line of Credit Facility Covenant Terms Percentage of Revolver Commitments | 20.00% |  |  |
Balance Required for Compliance with Revolver Commitments |  |  | $ 80 |
ABL Credit Facility [Member] | Stock Repurchases Value Exceeds 5.0 Million, Option 2 [Member] | Minimum [Member] |  |  |  |
Line of Credit Facility Covenant Terms Percentage of Revolver Commitments | 15.00% |  |  |
Balance Required for Compliance with Revolver Commitments |  |  | $ 60 |
Line of Credit Facility Covenant Terms EBITDA Ratio | 1 |  |  |

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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
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