000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Condensed Consolidated Statements of Income (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Property, Plant and Equipment, Net link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Leases link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Debt link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Derivative Financial Instruments link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Related Parties link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Segment Information link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Common Stock link:calculationLink link:definitionLink link:presentationLink 995461 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995462 - Disclosure - Note 2 - Property, Plant and Equipment, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 995463 - Disclosure - Note 3 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995464 - Disclosure - Note 5 - Derivative Financial Instruments (Tables) link:calculationLink link:definitionLink link:presentationLink 995465 - Disclosure - Note 1 - Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995466 - Disclosure - Note 2 - Property, Plant and Equipment, Net (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995467 - Disclosure - Note 2 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 3 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 3 - Leases - Future Minimum Lease Payments and Related Liabilities for Non-cancelable Operating Leases (Details) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 4 - Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 5 - Derivative Financial Instruments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 5 - Derivative Financial Instruments - Derivatives Instruments, Statements of Financial Performance and Financial Position (Details) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 6 - Related Parties (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 7 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 8 - Common Stock (Details Textual) link:calculationLink link:definitionLink link:presentationLink