001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) link:presentationLink link:definitionLink link:calculationLink 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:presentationLink link:definitionLink link:calculationLink 004 - Statement - Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) link:presentationLink link:definitionLink link:calculationLink 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:definitionLink link:calculationLink 006 - Disclosure - Note 1 - The Company: link:presentationLink link:definitionLink link:calculationLink 007 - Disclosure - Note 2 - Strategic Process: link:presentationLink link:definitionLink link:calculationLink 008 - Disclosure - Note 3 - Significant accounting policies: link:presentationLink link:definitionLink link:calculationLink 009 - Disclosure - Note 4 - Basis of Quarterly Presentations: link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - Note 5 - Principles of Consolidation: link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - Note 6 - Consolidating Financial Information link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - Note 7 - Real Estate Assets Held for Sale and Discontinued Operations: link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - Note 8 - Investment in Marketable Securities: link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - Note 9 - Notes Payable: link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - Note 10 - Earnings per Share: link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - Note 11 - Income Taxes: link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - Note 12 - Retirement Plans: link:presentationLink link:definitionLink link:calculationLink 018 - Disclosure - Note 13 - Incentive Compensation Plan: link:presentationLink link:definitionLink link:calculationLink 019 - Disclosure - Note 14 - Retention Bonus Plan: link:presentationLink link:definitionLink link:calculationLink 020 - Disclosure - Note 15 - Concentration of Credit Risk link:presentationLink link:definitionLink link:calculationLink 021 - Disclosure - Note 16 - Commitments and Contingencies: link:presentationLink link:definitionLink link:calculationLink 022 - Disclosure - Note 17 - Recent Accounting Pronouncements: link:presentationLink link:definitionLink link:calculationLink 023 - Disclosure - Note 18 - Fair Value of Financial Instruments: link:presentationLink link:definitionLink link:calculationLink 024 - Disclosure - Note 19 - Impairment of Real Estate Investments: link:presentationLink link:definitionLink link:calculationLink 025 - Disclosure - Note 20 - Accumulated Other Comprehensive Income: link:presentationLink link:definitionLink link:calculationLink 026 - Disclosure - Note 21 - Reclassifications: link:presentationLink link:definitionLink link:calculationLink 027 - Disclosure - Accounting Policies, by Policy (Policies) link:presentationLink link:definitionLink link:calculationLink 028 - Disclosure - Note 6 - Consolidating Financial Information (Tables) link:presentationLink link:definitionLink link:calculationLink 029 - Disclosure - Note 8 - Investment in Marketable Securities: (Tables) link:presentationLink link:definitionLink link:calculationLink 030 - Disclosure - Note 9 - Notes Payable: (Tables) link:presentationLink link:definitionLink link:calculationLink 031 - Disclosure - Note 10 - Earnings per Share: (Tables) link:presentationLink link:definitionLink link:calculationLink 032 - Disclosure - Note 11 - Income Taxes: (Tables) link:presentationLink link:definitionLink link:calculationLink 033 - Disclosure - Note 12 - Retirement Plans: (Tables) link:presentationLink link:definitionLink link:calculationLink 034 - Disclosure - Note 13 - Incentive Compensation Plan: (Tables) link:presentationLink link:definitionLink link:calculationLink 035 - Disclosure - Note 16 - Commitments and Contingencies: (Tables) link:presentationLink link:definitionLink link:calculationLink 036 - Disclosure - Note 18 - Fair Value of Financial Instruments: (Tables) link:presentationLink link:definitionLink link:calculationLink 037 - Disclosure - Note 20 - Accumulated Other Comprehensive Income: (Tables) link:presentationLink link:definitionLink link:calculationLink 038 - Disclosure - Note 1 - The Company: (Details) link:presentationLink link:definitionLink link:calculationLink 039 - Disclosure - Note 2 - Strategic Process: (Details) link:presentationLink link:definitionLink link:calculationLink 040 - Disclosure - Note 3 - Significant accounting policies: (Details) link:presentationLink link:definitionLink link:calculationLink 041 - Disclosure - Note 5 - Principles of Consolidation: (Details) link:presentationLink link:definitionLink link:calculationLink 042 - Disclosure - Note 6 - Consolidating Financial Information (Details) link:presentationLink link:definitionLink link:calculationLink 043 - Disclosure - Note 6 - Consolidating Financial Information (Details) - Consolidated Balance Sheet link:presentationLink link:definitionLink link:calculationLink 044 - Disclosure - Note 6 - Consolidating Financial Information (Details) - Consolidated Balance Sheet (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 045 - Disclosure - Note 6 - Consolidating Financial Information (Details) - Consolidated Statement of Operations link:presentationLink link:definitionLink link:calculationLink 046 - Disclosure - Note 8 - Investment in Marketable Securities: (Details) link:presentationLink link:definitionLink link:calculationLink 047 - Disclosure - Note 8 - Investment in Marketable Securities: (Details) - Historical Cost and Estimated Fair Value of Available for Sale Securities link:presentationLink link:definitionLink link:calculationLink 048 - Disclosure - Note 9 - Notes Payable: (Details) link:presentationLink link:definitionLink link:calculationLink 049 - Disclosure - Note 9 - Notes Payable: (Details) - Summary of Notes Payable link:presentationLink link:definitionLink link:calculationLink 050 - Disclosure - Note 10 - Earnings per Share: (Details) link:presentationLink link:definitionLink link:calculationLink 051 - Disclosure - Note 10 - Earnings per Share: (Details) - Summary of Net Income (Loss) Earnings Per Share link:presentationLink link:definitionLink link:calculationLink 052 - Disclosure - Note 11 - Income Taxes: (Details) link:presentationLink link:definitionLink link:calculationLink 053 - Disclosure - Note 11 - Income Taxes: (Details) - Tax Provision for Income Taxes link:presentationLink link:definitionLink link:calculationLink 054 - Disclosure - Note 11 - Income Taxes: (Details) - Current Tax Liabilities link:presentationLink link:definitionLink link:calculationLink 055 - Disclosure - Note 12 - Retirement Plans: (Details) link:presentationLink link:definitionLink link:calculationLink 056 - Disclosure - Note 12 - Retirement Plans: (Details) - Components of Net Periodic Benefit Cost link:presentationLink link:definitionLink link:calculationLink 057 - Disclosure - Note 13 - Incentive Compensation Plan: (Details) link:presentationLink link:definitionLink link:calculationLink 058 - Disclosure - Note 13 - Incentive Compensation Plan: (Details) - Vested Maximum Benefit Payable to Ex-Employees link:presentationLink link:definitionLink link:calculationLink 059 - Disclosure - Note 14 - Retention Bonus Plan: (Details) link:presentationLink link:definitionLink link:calculationLink 060 - Disclosure - Note 16 - Commitments and Contingencies: (Details) link:presentationLink link:definitionLink link:calculationLink 061 - Disclosure - Note 16 - Commitments and Contingencies: (Details) - Lease Revenue Commitments link:presentationLink link:definitionLink link:calculationLink 062 - Disclosure - Note 16 - Commitments and Contingencies: (Details) - Other Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 063 - Disclosure - Note 18 - Fair Value of Financial Instruments: (Details) link:presentationLink link:definitionLink link:calculationLink 064 - Disclosure - Note 18 - Fair Value of Financial Instruments: (Details) - Carrying Value and Fair Value of Financial Assets and Liabilities link:presentationLink link:definitionLink link:calculationLink 065 - Disclosure - Note 18 - Fair Value of Financial Instruments: (Details) - Assets and Liabilities from Continuing Operations at Fair Value Recurring and Non-Recurring link:presentationLink link:definitionLink link:calculationLink 066 - Disclosure - Note 19 - Impairment of Real Estate Investments: (Details) link:presentationLink link:definitionLink link:calculationLink 067 - Disclosure - Note 20 - Accumulated Other Comprehensive Income: (Details) link:presentationLink link:definitionLink link:calculationLink 068 - Disclosure - Note 20 - Accumulated Other Comprehensive Income: (Details) - Accumulated Other Comprehensive Income link:presentationLink link:definitionLink link:calculationLink 000 - Disclosure - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink