CONDENSED CONSOLIDATED BALANCE SHEETS CONDENSED CONSOLIDATED BALANCE SHEETS [Abstract] ASSETS ASSETS [Abstract] Property and Equipment - Net (Notes 6 and 7) Current Assets: Current Assets: [Abstract] Cash and cash equivalents (Note 5) Marketable securities (Notes 4 and 5) Receivables (Note 5) Income taxes refundable Deferred income taxes Prepaid expenses Security deposits Total current assets Other Assets: Other Assets: [Abstract] This element represents costs incurred by the lessor for the current period, that are (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction. This amount is before considering accumulated amortization representing the periodic charge to earnings to recognize the deferred costs over the term of the related lease. Deferred charges The accumulated amortization, as of the reporting date, which represents the periodic charge to earnings of initial direct costs which have been deferred and are being allocated over the lease term in proportion to the recognition of rental income. Less accumulated amortization Net Receivables (Note 5) Security deposits Unbilled receivables (Note 9) Marketable securities (Notes 4 and 5) Total other assets TOTAL ASSETS LIABILITIES AND SHAREHOLDERS’ EQUITY LIABILITIES AND SHAREHOLDERS’ EQUITY [Abstract] Long-Term Debt: Long-Term Debt: [Abstract] Mortgages and term loan payable (Note 6) Note payable - related party (Note 8) The noncurrent portion of security deposits payable. Security deposits payable Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to payroll taxes received from employees. Used to reflect the current portion of the liabilities (due beyond one year or one operating cycle). Also includes the obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due beyond one year or one operating cycle). Payroll and other accrued liabilities Total long-term debt Deferred Income Taxes Current Liabilities: Current Liabilities: [Abstract] Accounts payable Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to payroll taxes received from employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Also includes the obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Payroll and other accrued liabilities Income taxes payable Other taxes payable Current portion of long-term debt (Note 6) The current portion of security deposits payable. Current portion of security deposits payable Total current liabilities TOTAL LIABILITIES Shareholders’ Equity: Shareholders’ Equity: [Abstract] Common stock, par value $1 each share (shares - 5,000,000 authorized; 2,178,297 issued) Additional paid in capital Unrealized gain on available-for-sale securities - net of deferred taxes of $59,000 at October 31, 2011 and $64,000 at July 31, 2011 Retained earnings Less common stock held in treasury, at cost - 162,517 shares at October 31, 2011 and at July 31, 2011 (Note 12) Total shareholders’ equity Contingencies (Note 13) Contingencies (Note 13) [Abstract] TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY Common stock, par value (in Dollars per share) Common stock, shares authorized Common stock, shares issued This item represents the tax effects occurring at end of the period which are related to the net unrealized gain or loss resulting from changes in the fair [carrying] value during the period of available-for-sale securities. Such tax affects would have been charged or credited directly to other comprehensive income or to related components of shareholders' equity. Unrealized gain (loss) on available-for-sale securities, deferred taxes (benefit) (in Dollars) Treasury stock, shares CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND RETAINED EARNINGS CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND RETAINED EARNINGS [Abstract] Revenues Revenues [Abstract] Rental income (Notes 5 and 9) Total revenues Expenses Expenses [Abstract] Real estate operating expenses Administrative and general expenses Depreciation and amortization (Note 7) Total expenses Income from operations before investment income, interest expense and income taxes Investment income and interest expense: Investment income and interest expense: [Abstract] Investment income (Note 4) Interest expense (Notes 6, 8, and 11) Income from operations before income taxes Income taxes provided Net income Retained earnings, beginning of period Retained earnings, end of period Income per common share (Note 2) (in Dollars per share) Average common shares outstanding (in Shares) CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract] Net Income Other comprehensive income (loss), net of taxes (Note 3) Other comprehensive income (loss), net of taxes (Note 3) [Abstract] Unrealized gain (loss) on available-for-sale securities, net of taxes (benefit) of ($5,000) and $22,000 for the three months ended October 31, 2011 and 2010, respectively, Comprehensive income Unrealized gain on available-for-sale securities, tax CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract] Cash Flows From Operating Activities: Cash Flows From Operating Activities: [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to reconcile net income to net cash provided by operating activities: [Abstract] Depreciation and amortization Amortization of deferred charges Realized loss on sale of marketable securities Amount of other assets deferred charges during the period. Other assets - deferred charges - unbilled receivables Deferred income taxes Changes in: Changes in: [Abstract] Receivables Income taxes refundable Prepaid expenses Accounts payable The increase (decrease) during the reporting period in the aggregate amount of payroll and other accrued liabilities. Payroll and other accrued liabilities Income taxes payable The increase (decrease) in other taxes payable during the period. Other taxes payable Cash provided by operating activities Cash Flows From Investing Activities: Cash Flows From Investing Activities: [Abstract] Capital expenditures The cash outflow for security deposits during the period. Security deposits Marketable securities: Marketable securities: [Abstract] Receipts from sales or maturities Payments for purchases Cash (used) by investing activities Cash Flows From Financing Activities: Cash Flows From Financing Activities: [Abstract] (Decrease) - security deposits Mortgage and other debt payments Cash (used) by financing activities Increase (decrease) in cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Accounting Records and Use of Estimates Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Income Per Share of Common Stock Earnings Per Share [Text Block] Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Marketable Securities The entire disclosure for marketable securities. Marketable Securities Disclosure [Text Block] Financial Instruments and Credit Risk Concentrations The entire disclosure for financial instruments and credit risk concentrations. Financial Instruments And Credit Risk Concentrations Disclosure [Text Block] Long-Term Debt - Mortgages and Term Loan The entire disclosure for mortgages and term loan long term debt. Mortgages And Term Loan Long Term Debt Disclosure [Text Block] Property and Equipment - at cost Property, Plant and Equipment Disclosure [Text Block] Note Payable The entire disclosure for note payable. Note Payable Disclosure [Text Block] Unbilled Receivables and Rental Income The entire disclosure for unbilled receivables and rental income. Unbilled Receivables And Rental Income Disclosure [Text Block] Employees' Retirement Plan Pension and Other Postretirement Benefits Disclosure [Text Block] Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Capitalization The entired disclosure for capitalization. Capitalization Disclosure [Text Block] Contingencies Commitments and Contingencies Disclosure [Text Block] Scenario, Unspecified [Domain] Statement, Scenario [Axis] Document and Entity Information [Abstract] MarketableSecuritiesDisclosureTextBlock PaymentsToSecurityDeposits IncreaseDecreaseInOtherTaxesPayable MortgagesAndTermLoanLongTermDebtDisclosureTextBlock UnbilledReceivablesAndRentalIncomeDisclosureTextBlock IncreaseDecreaseInPayrollAndOtherAccruedLiabilities SecurityDepositsPayableCurrent PayrollAndOtherAccruedLiabilitiesCurrent PayrollAndOtherAccruedLiabilitiesNoncurrent AccumulatedAmortizationOfDeferredCharges NotePayableDisclosureTextBlock CapitalizationDisclosureTextBlock FinancialInstrumentsAndCreditRiskConcentrationsDisclosureTextBlock Assets, Current Long-term Investments and Receivables, Net Entity Common Stock, Shares Outstanding Increase (Decrease) in Unbilled Receivables Payments to Acquire Marketable Securities Payments to Acquire Property, Plant, and Equipment Gain (Loss) on Investments Deposits Assets, Current Entity Central Index Key Earnings Per Share, Basic Increase (Decrease) in Prepaid Expense Weighted Average Number of Shares Outstanding, Basic Liabilities, Current Operating Expenses Net Cash Provided by (Used in) Investing Activities Deferred Tax Liabilities, Noncurrent Net Cash Provided by (Used in) Operating Activities Stockholders' Equity before Treasury Stock Interest Income (Expense), Net Comprehensive Income (Loss), Net of Tax, Attributable to Parent Long-term Debt, Excluding Current Maturities Document Period End Date Property, Plant and Equipment, Net Operating Leases, Income Statement, Lease Revenue Increase (Decrease) in Accounts Payable Repayments of Long-term Debt Increase (Decrease) in Deferred Income Taxes Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Amendment Flag Increase (Decrease) in Income Taxes Receivable Marketable Securities, Noncurrent Real Estate Revenue, Net Net Cash Provided by (Used in) Financing Activities Increase (Decrease) in Receivables Retained Earnings (Accumulated Deficit) Document Type Amendment Description Assets Document Fiscal Period Focus Current Fiscal Year End Date Liabilities and Equity Operating Income (Loss) Entity Voluntary Filers Treasury Stock, Value Interest Expense Entity Public Float Liabilities Entity Filer Category Document Fiscal Year Focus Stockholders' Equity Attributable to Parent Entity Well-known Seasoned Issuer