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 Operations (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note 1 - Overview and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 2 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Net Income Per Share Computations link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - General Credit Agreement link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Operating Segments link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Real Estate Development link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Leases link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 9 - Related Party Receivables link:calculationLink link:definitionLink link:presentationLink 995461 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995462 - Disclosure - Note 2 - Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 995463 - Disclosure - Note 3 - Net Income Per Share Computations (Tables) link:calculationLink link:definitionLink link:presentationLink 995464 - Disclosure - Note 5 - Operating Segments (Tables) link:calculationLink link:definitionLink link:presentationLink 995465 - Disclosure - Note 7 - Real Estate Development (Tables) link:calculationLink link:definitionLink link:presentationLink 995466 - Disclosure - Note 8 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995467 - Disclosure - Note 1 - Overview and Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 2 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 2 - Stock-based Compensation - Unvested Restricted Stock and Deferred Stock (Details) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 3 - Net Income Per Share Computations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 3 - Net Income Per Share Computations - Reconciliation of Net Common Share Computation (Details) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 4 - General Credit Agreement (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 5 - Operating Segments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 5 - Operating Segments - Disaggregation of Revenue from Contracts with Customers (Details) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 5 - Operating Segments - Reconciliation of Segment Revenues, Income Before Income Taxes, and Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 5 - Operating Segments - Income Before Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 5 - Operating Segments - Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 6 - Commitments and Contingencies 1 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 6 - Commitments and Contingencies 2 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 7 - Real Estate Development (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 7 - Real Estate Development - Summary of Equity Method Investments (Details) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 8 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 8 - Leases - Classification of Right of Use Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 8 - Leases - Lease Terms and Discount (Details) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 8 - Leases - Operating and Finance Lease (Details) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 9 - Related Party Receivables (Details Textual) link:calculationLink link:definitionLink link:presentationLink