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 Income (Loss) (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 - Basis of Quarterly Presentations link:presentationLink link:definitionLink link:calculationLink 008 - Disclosure - Note 3 - Principles of Consolidation link:presentationLink link:definitionLink link:calculationLink 009 - Disclosure - Note 4 - Investment in Marketable Securities link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - Note 5 - Earnings per Share link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - Note 6 - Income Taxes link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - Note 7 - Mortgage Loans Payable link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - Note 8 - Retirement Plans link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - Note 9 - Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - Note 10 - Recent Accounting Pronouncements link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - Note 11 - Fair Value of Financial Instruments link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - Note 12 - Accumulated Other Comprehesive Loss link:presentationLink link:definitionLink link:calculationLink 018 - Disclosure - Note 13 - Condemnation link:presentationLink link:definitionLink link:calculationLink 019 - Disclosure - Note 14 - Reclassifications link:presentationLink link:definitionLink link:calculationLink 020 - Disclosure - Note 4 - Investment in Marketable Securities (Tables) link:presentationLink link:definitionLink link:calculationLink 021 - Disclosure - Note 6 - Income Taxes (Tables) link:presentationLink link:definitionLink link:calculationLink 022 - Disclosure - Note 7 - Mortgage Loans Payable (Tables) link:presentationLink link:definitionLink link:calculationLink 023 - Disclosure - Note 8 - Retirement Plans (Tables) link:presentationLink link:definitionLink link:calculationLink 024 - Disclosure - Note 9 - Commitments and Contingencies (Tables) link:presentationLink link:definitionLink link:calculationLink 025 - Disclosure - Note 11 - Fair Value of Financial Instruments (Tables) link:presentationLink link:definitionLink link:calculationLink 026 - Disclosure - Note 12 - Accumulated Other Comprehesive Loss (Tables) link:presentationLink link:definitionLink link:calculationLink 027 - Disclosure - Note 1 - The Company (Detail) link:presentationLink link:definitionLink link:calculationLink 028 - Disclosure - Note 2 - Basis of Quarterly Presentations (Detail) link:presentationLink link:definitionLink link:calculationLink 029 - Disclosure - Note 3 - Principles of Consolidation (Detail) link:presentationLink link:definitionLink link:calculationLink 030 - Disclosure - Note 4 - Investment in Marketable Securities (Detail) link:presentationLink link:definitionLink link:calculationLink 031 - Disclosure - Note 4 - Investment in Marketable Securities (Detail) - Historical Cost and Estimated Fair Value of Available for Sale Securities link:presentationLink link:definitionLink link:calculationLink 032 - Disclosure - Note 5 - Earnings per Share (Detail) link:presentationLink link:definitionLink link:calculationLink 033 - Disclosure - Note 6 - Income Taxes (Detail) link:presentationLink link:definitionLink link:calculationLink 034 - Disclosure - Note 6 - Income Taxes (Detail) - Breakdown of the Condemnation Proceeds link:presentationLink link:definitionLink link:calculationLink 035 - Disclosure - Note 6 - Income Taxes (Detail) - Deferred Income Tax Liabilities link:presentationLink link:definitionLink link:calculationLink 036 - Disclosure - Note 7 - Mortgage Loans Payable (Detail) link:presentationLink link:definitionLink link:calculationLink 037 - Disclosure - Note 7 - Mortgage Loans Payable (Detail) - Mortgage Loans Payable link:presentationLink link:definitionLink link:calculationLink 038 - Disclosure - Note 8 - Retirement Plans (Detail) link:presentationLink link:definitionLink link:calculationLink 039 - Disclosure - Note 8 - Retirement Plans (Detail) - Components of Net Periodic Pension Benefit Cost link:presentationLink link:definitionLink link:calculationLink 040 - Disclosure - Note 9 - Commitments and Contingencies (Detail) link:presentationLink link:definitionLink link:calculationLink 041 - Disclosure - Note 9 - Commitments and Contingencies (Detail) - Lease Revenue Commitments link:presentationLink link:definitionLink link:calculationLink 042 - Disclosure - Note 9 - Commitments and Contingencies (Detail) - Other Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 043 - Disclosure - Note 10 - Recent Accounting Pronouncements (Detail) link:presentationLink link:definitionLink link:calculationLink 044 - Disclosure - Note 11 - Fair Value of Financial Instruments (Detail) link:presentationLink link:definitionLink link:calculationLink 045 - Disclosure - Note 11 - Fair Value of Financial Instruments (Detail) - Carrying Value and Fair Value of Financial Assets and Liabilities link:presentationLink link:definitionLink link:calculationLink 046 - Disclosure - Note 12 - Accumulated Other Comprehesive Loss (Detail) link:presentationLink link:definitionLink link:calculationLink 047 - Disclosure - Note 12 - Accumulated Other Comprehesive Loss (Detail) - Accumulated Other Comprehensive Income (Loss) link:presentationLink link:definitionLink link:calculationLink 048 - Disclosure - Note 13 - Condemnation (Detail) link:presentationLink link:definitionLink link:calculationLink 049 - Disclosure - Note 14 - Reclassifications (Detail) link:presentationLink link:definitionLink link:calculationLink 000 - Disclosure - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink