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Note 3 - Long-term Debt | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Debt Disclosure [Text Block] | 3. Long-Term Debt We maintain a credit agreement that provides for an unsecured committed credit facility which matures in December 2019. In April 2016, we elected to reduce the aggregate principal amount of the facility from $75.0 million to $30.0 million. In December 2016, we entered into an amendment to the facility which increased the aggregate principal amount to $40.0 million. At December 31, 2017, there was no outstanding principal balance on the facility. As of that date, we had outstanding standby letters of credit to guarantee settlement of self-insurance claims of $12.9 million and remaining borrowing availability of $27.1 million. At December 31, 2016, there was an outstanding principal balance of $7.9 million on the facility. This facility bears interest at a variable rate based on the London Interbank Offered Rate or the lender’s Prime Rate, in each case plus/minus applicable margins. The weighted average interest rate for the facility was 1.46% at December 31, 2016. Our cre dit facility prohibits us from paying, in any fiscal year, stock redemptions and dividends in excess of 25% of our net income from the prior fiscal year. A waiver of the 25% limitation for 2015 and 2016 was obtained from the lender. This facility also contains restrictive covenants which, among other matters, require us to maintain compliance with cash flow leverage and fixed charge coverage ratios. We were in compliance with all covenants at December 31, 2017 and 2016 .

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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