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Note 3 - Fair Value Measurements
9 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
Fair Value Disclosures [Text Block]
Note 3 — Fair Value Measurements
 
The Company does not report any assets or liabilities at fair value in the financial statements. However, the fair value of the Company’s debt is estimated by management to approximate the carrying value (before deducting unamortized debt issuance costs) of $171.5 million and $142.0 million at September 30, 2017 and December 31, 2016, respectively. Management’s estimates are based on periodic comparisons of the characteristics of the Company’s obligations, including floating interest rates, credit rating, maturity and collateral, to current market conditions as stated by an independent third-party financial institution. Such valuation inputs are considered a Level 2 measurement in the fair value valuation hierarchy.