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Note 3 - Long-term Debt
 12 Months Ended
Dec. 31, 2014
Debt Disclosure [Abstract]  
Debt Disclosure [Text Block]

3. Long-Term Debt


In December 2014, we entered into an amendment to our unsecured committed credit facility which extends the maturity date of loans made under the facility until December 2019. The aggregate principal amount of the credit facility of $50.0 million may be increased at our option, subject to completion of signed amendments with the lender, up to a maximum aggregate principal amount of $75.0 million. At December 31, 2014, the credit facility had an outstanding principal balance of $24.4 million, outstanding standby letters of credit of $9.2 million and remaining borrowing availability of $16.4 million. At December 31, 2013, there was no outstanding principal balance on the credit 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 0.84% at December 31, 2014.


             Our credit facility prohibits us from paying, in any fiscal year, dividends in excess of 25% of our net income from the prior fiscal year. A waiver of the 25% limitation was obtained from the lender prior to payment of a $0.50 per share of common stock special dividend in December 2012. 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 of these covenants at December 31, 2014 and December 31, 2013.